Biomass Patents for Sale or License
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Apparatus for hydrogen chloride electrolysis, comprising a cathode that has a layer of nitrogen-doped carbon nanotubes having functional groups containing nitrogen....
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A Clostridium thermocellum thermostable cellulase enzyme with both endocellulase activity and exocellulase activity that is able to degrade cellulose in the absence of scaffolding and other cellulosomic proteins is provided. The use of the enzyme to degrade cellulosic materials to soluble sugars is ...
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A Dictyoglomus turgidum thermostable cellulase enzyme with both endocellulase activity and exocellulase activity that is able to degrade cellulose in the absence of scaffoldins and other cellulosomic proteins is provided. The use of the enzyme to degrade cellulosic materials to soluble sugars is als...
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engine recycles waste stream gases, converting waste stream gases into usable fuel while adding biomass based fuel thru the gasification process. Other byproducts such as biochar and biooil are seperated to be refined again into usable fuel. Steam and hydrogen gas injection systems further elimina...
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This invention is about the novel heat-free liquefaction/conversion of carbohydrate/Cellulose materials like raw sugar/refined sugar, cellulose/cellulose waste, wood/forest residues and farm wastes to produce primary products applicable in pre-emergent weed control, CCA alternative in Wood preservat...
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An apparatus for treating plant biomass is described herein. Generally, the apparatus includes a pressurizable vessel and a heating element in thermal communication with the vessel. Also described herein are methods of treating plant biomass. Generally, the methods include heating plant biomass unde...
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Disclosed herein are methods of degrading plant biomass, and microorganisms and polypeptides used in such methods, hi certain embodiments, the methods include growing Anaerocellum thermophilum on a substrate that comprises plant biomass under conditions effective for the A. thermophilum to convert a...
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Provided herein are methods for producing a fermentation product, such as ethanol, by co-culture of a member of the genus Paenibacillus and an ethanologenic microbe, such as yeast or E. coli. Also provided are methods for making enzymes useful in the saccharification of a pretreated lignocellulosic ...
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Provided herein are methods for producing ethanol using yeast to ferment pretreated solid lignocellulosic materials such as pretreated solid lignocellulosic materials obtained from softwoods like pine. The pretreated solid lignocellulosic material is present at a concentration of at least 12% solids...
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The present invention provides enriched polynucleotides, and enriched polypeptides having pectinase activity. The present invention also includes methods of using the polynucleotides and polypeptides described herein. For instance, the methods include producing a metabolic product, such as ethanol....
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Biological method for conversion of a sugar-containing organic material into a desired biochemical product. Use of a plurality of substrate-selective cells allows different sugars in a complex mixture to be consumed concurrently and independently. The method can be readily extended to remove inhibit...
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Embodiments of the present disclosure provide for biochar impregnated with microbes, methods of making biochar impregnated with microbes, methods of using biochar impregnated with microbes, methods of using biochar to produce gas, reactors using biochar and/or biochar impregnated with microbes, meth...
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The disclosure encompasses in-line reactive condensation processes via vapor phase esterification of bio-oil to decease reactive species concentration and water content in the oily phase of a two-phase oil, thereby increasing storage stability and heating value. Esterification of the bio-oil vapor o...
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The disclosure encompasses, among other aspects, mixed algal populations able to survive and proliferate on culture media that have a high proportion of an industry wastewater. In particular, at least one strain of an alga in the algal population proliferates mixotrophically. Embodiments further enc...
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Methods for modulating plant biomass are provided. In some embodiments, the methods include the step of modulating in a plant cell the expression of an UPBEAT1 gene product. Also provided are improved energy crop plants, and seeds and parts thereof, which contain a heterologous nucleic acid that enc...
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At least one isolated microorganism, which converts at least 10% by weight, and preferably 50% by weight, of cellulosic biomass to a lower alkyl alcohol by direct digestion, and which produces at least 4% by volume of the lower alkyl alcohol in an aqueous-based digestion medium....
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A new xylose reductase encoding gene from Neurospora crassa was heterologously expressed in E. coli as a His-tag fusion protein and subsequently purified in high yield. This xylose reductase was shown to have a high turnover rate and catalytic efficiency, high stability at room temperature, broad pH...
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A process for the conversion of organic waste to biofuel is provided comprising cultivating organisms in the aqueous product of the HTP conversion process....
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Stable and active arabinitol dehydrogenases (LAD) from Neurospora crassa and mutants thereof are disclosed. Arabinitol dehydrogenases are useful in the production of xylitol and ethanol from an arabinose containing substrate. Recombinant and heterologously expressed arabinitol dehydrogenases are use...
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The method involves bonding a catch antibody to beads e.g. Dynabeads(RTM: Superparamagnetic, monosized polymer particles). The beads are mixed with a suspension of cells in an analysis container. The beads are separated from the cell by action of a magnetic field, and brought in contact with a detec...
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The invention described herein provides an improved process for preparing bio- oils from biomass using pyrolysis. The process can comprise a step of acid pre-treatment of biomass prior to microwave assisted pyrolysis, and comprise a reformation step prior to condensation. The process of the inventio...
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Methods and reactors for producing a fuel are disclosed herein. In some embodiments, the method uses a biomass feedstock and alkane and/or alcohol feedstock, which can be contacted with a metal-containing catalyst to form products including a bio-oil. In some embodiments, oxygen-containing functiona...
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Systems and methods for growing photosynthetic cells that may be used to produce a biomass. The systems and methods recycle liquid and can produce a high cell concentration harvested biomass....
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The invention provides an isolated haloalkaliphilic microorganism designated as strain sapolanicus belonging to the genus Halanaerobium, which is capable of producing hydrogen from biomass. Methods of producing biohydrogen comprising the fermentation of the microorganism with alkaline pretreated bio...
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The present invention provides an enclosed, internally-lighted bioreactor apparatus, methods for growing photosynthetic microorganisms in the enclosed, internally lighted bioreactor and methods for enhancing growth of a photosynthetic microorganism culture in the enclosed internally-lighted bioreact...
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The present invention provides transgenic algal cells resistant to programmed cell death (PCD) and methods and compositions useful in generating such cells. Specifically, the invention utilizes expression of one or more mammalian anti-apoptotic genes in algal cells to promote resistance to PCD, whic...
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Bacteria consume a variety of biomass-derived substrates and produce ethanol. Hydrogenase genes have been inactivated m Thermoanaerobacterium saccharolyticum to generate mutant strains with reduced hydrogenase activities. One such mutant strain with both the ldh and hydtrA genes inactivated shows a ...
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Mutant thermophilic organisms that consume a variety of biomass derived substrates are disclosed herein. Strains of Thermoanaerobacterium saccharolyticum with acetate kinase and phosphotransacetylase expression eliminated are disclosed herein. Further, strain ALK1 has been engineered by site directe...
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Bacteria consume a variety of biomass-derived substrates and produce ethanol. The scaffoldin gene cipA from Clostridium thermocellum is modified to generate a mutated gene with enhanced genetic stability. This mutated cipA gene can be introduced into a heterologous host, such as Thermoanaerobacteriu...
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In one embodiment, an alkyl ester production system can comprise: a first transesterification reactor comprising a liquid biomass inlet located between a liquid glycerol outlet and a liquid alkyl ester outlet, a water wash vessel comprising an alkyl ester inlet, a water inlet located near a top of t...
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In preferred embodiments, the present invention provides new isolated strains of a Geobacter species that are capable of using a carbon source that is selected from C3 to C12 organic compounds selected from pyruvate or metabolic precursors of pyruvate as an electron donor in metabolism and in subseq...
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This invention relates to compositions and methods for fluid hydrocarbon product, and more specifically, to compositions and methods for fluid hydrocarbon product via catalytic pyrolysis. Some embodiments relate to methods for the production of specific aromatic products (e.g., benzene, toluene, nap...
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The present invention pertains generally to a catalytic technology for converting biomass- related feedstock into useful or value-added chemicals. More specifically, this invention relates to a catalytic process for the production of lower alcohols, and preferably for the production of C4 to C6 poly...
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The present invention relates to a catalyst including an olivine substrate on which an iron compound layer is deposited, produced by impregnating the olivine substrate with a solution including an iron salt, and then heat-treating same. Said catalyst is useful for steam-reforming tar, in particular ...
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A cell culture device (10) including a base (12) and a perimeter wall (14) extending upwardly from the base (12) to define a vessel for holding a cell culture medium therein. Means (30) for mounting a cell culture surface (16) within the vessel above and spaced from the base (12) are provided. The m...
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A method of preparing cell culture media for use in culturing cells and an apparatus for carrying out the method. The method includes providing a vessel containing cell culture media and exposing the cell culture media to a first controlled atmosphere having a predetermined O2 concentration that is ...
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The invention includes a process for recovering the liquids used in pretreatment of biomass for production of biofuels and other biomass based products. Liquid recovery and purification minimizes waste production and enhances process profitability....
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Method for regulating contents of microbial biomass in one or more reactors (10, 12) in a biogas process, comprises mixing the microbial biomass with magnetic particle in the reactor; partially separating an expiring microbial biomass by a magnetic field mechanism through an outlet (5); and contacti...
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The present invention relates to altering the biomass and/or structure of a plant, in order to maximise its potential as a source of feedstock or increase its potential as a feedstock for the paper industry. CLE41 and/or CLE42 are used to manipulate growth and structure of the vascular tissue of the...
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Joint Venture in -- Amazing Futuristics - Agri Farm Biomass - THRU 'BOOSTED Power Gasification'
We are a New Zealand based Biomass Gasifier manufacturing Company that is finally going the much wanted step further, in POWER BOOSTING the LHV of 'Producer Gas' generated through our gasificatio...
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BACKGROUND: Despite the importance of amide (peptide) bonds, there are currently few methods for their preparation. The synthesis of amide bonds is generally limited to methods requiring the use of excess coupling reagents and side chain protected amino acid residues. These processes are inefficien...
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APPLICATION OF TECHNOLOGY:
* Convert lignin from sustainable biomass to high value products
ADVANTAGES:
* Produce high value products without the need for petroleum
* Improve biofuels cost effectiveness by utilizing lignin to produce high value co-products
* Produce products thr...
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APPLICATIONS OF TECHNOLOGY:
- Pretreating biomass to extract sugars for conversion to liquid biofuels
ADVANTAGES:
- Increased yield. Cellulose recovery of 95% by mass. Current techniques recover 50-90%. - Reduced time to recover sugars from plant material from 3-4 days for acid-based techniqu...
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Conversion of biomass into ethanol generally involves three steps: pretreatment to open up biomass for enzyme action; enzymatic hydrolysis of the pretreated material to release sugars; and fermentation of the sugars by microorganisms, such as yeast, to produce ethanol. The second step, enzymatic h...
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Biomass contains cellulose wrapped in a recalcitrant lignin and hemicellulose sheath that must be chemically and/or physically disrupted in a pretreatment step. One of the most common pretreatments involves exposure of the biomass to dilute acid at elevated temperatures. Usually, sulfuric acid is ...
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Description The process employs a combination of temperature and pressure along with an electric or natural gas heat source to convert nearly all kinds of plant-derived biomass into high-quality charcoal at conversion yields of 40% to 60% and in time periods of of less than 30 minutes. Steam, combu...
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U.S. Patent 7,223,575
Technology Description Disclosed in the present invention is a Zymomonas integrant and derivatives of these integrants that posess the ability to ferment pentose into ethanol. The genetic sequences encoding for the pentose-fermenting enzymes are integrated into the Zymomon...
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U.S. Patent 6,525,319
Technology Description In a method for determining the dry mechanical strength for a green wood, the improvement comprising: (a) illuminating a surface of the wood to be determined with a reduced range of wavelengths in the VIS-NIR spectra 400 to 1150 nm, said wood having ...
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U.S. Patent 5,366,884
Technology Description A purified low molecular weight endoglucanase II from Acidothermus cellulolyticus (ATCC 43068) is disclosed. The endoglucanase is water soluble, possesses both C.sub.1, and C.sub.x types of enzyme activity, a high degree of stability toward heat, and...
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U.S. Patent 7,059,993
Technology Description The invention provides a thermal tolerant cellulase that is a member of the glycoside hydrolase family. The invention further discloses this cellulase as GuxA. GuxA has been isolated and characterized from Acidothermus cellulolyticus. The invention f...
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U.S. Patent 5,907,058
Technology Description A process of preparing an acid addition salt of delta-aminolevulinic acid comprising:dissolving a lower alkyl 5-bromolevulinate and an alkali metal diformylamide in an organic solvent selected from the group consisting of acetonitrile, methanol, tetr...
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U.S. Patent 6,583,317
Technology Description A process of preparing an acid addition salt of delta-aminolevulinc acid comprising:a) dissolving a lower alkyl 5-bromolevulinate and hexamethylenetetramine in a solvent selected from the group consisting of water, ethyl acetate, chloroform, acetone,...
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A method for sterilizing process fermentation vessels with a concentrated alcohol and water mixture integrated in a fuel alcohol or other alcohol production facility. Hot, concentrated alcohol is drawn from a distillation or other purification stage and sprayed into the empty fermentation vessels. T...
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The present invention briefly includes a transposon for stable insertion of foreign genes into a bacterial genome, comprising at least one operon having structural genes encoding enzymes selected from the group consisting of xylAxylB, araBAD and tal/tkt; and at least one promoter for expression of t...
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This invention relates to single microorganisms which normally do not ferment pentose sugars which are genetically altered to ferment the pentose sugars, xylose and arabinose, to produce ethanol, and a fermentation process utilizing the same. Examples include Zymomonas mobilis which has been transfo...
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A process of pyrolyzing plastic waste feed streams containing polyvinyl chloride, polyethylene terephthalate, polystyrene and polyethylene to recover polystyrene HCl and terephthalic acid comprising: heating the plastic waste feed stream to a first temperature; adding an acid or base catalyst on an ...
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The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes utilizing the same. Examples include Zymomonas mobilis which has been transformed with combinations of E. coli...
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The invention relates to microorganisms which normally do not ferment a pentose sugar and which are genetically altered to ferment this pentose to produce ethanol. A representative example is Zymomonas mobilis which has been transformed with E. coli xylose isomerase, xylulokinase, transaldolase and ...
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A strain derived from Zymomonas mobilis ATCC31821 or its derivative capable of producing ethanol upon fermentation of a carbohydrate medium containing xylose to provide enhanced xylose utilization and enhanced ethanol process yield, the strain or its derivative comprising exogenous genes encoding xy...
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A recombinant Lactobacillus MONT4 is provided which has been genetically engineered with xylose isomerase and xylulokinase genes from Lactobacillus pentosus to impart to the Lactobacillus MONT4 the ability to ferment lignocellulosic biomass containing xylose to lactic acid....
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A process of using fast pyrolysis in a carrier gas to convert a polystyrene and polyphenylene oxide plastic waste to a given polystyrene and polyphenylene oxide prior to pyrolysis of other plastic components therein comprising:selecting a first temperature range to cause pyrolysis of given polystyre...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A method of removing 1,11-diamino-6-undecanone from the pyrolysis product of nylon comprising: a) pyrolyzing nylon-6 to form a pyrolyzate containing a caprolactam mixture;b) dissolving the caprolactam mixture in a solvent to form a solution;c) passing carbon dioxide gas through the solution to form ...
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A progressive batch hydrolysis process for producing sugar from a lignocellulosic feedstock, comprising passing a stream of dilute acid serially through a plurality of percolation hydrolysis reactors charged with said feedstock, at a flow rate, temperature and pressure sufficient to substantially co...
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A process of making a fuel or chemical from a biomass hydrolyzate is provided which comprises the steps of providing a biomass hydrolyzate, adjusting the pH of the hydrolyzate, contacting a metal oxide having an affinity for guaiacyl or syringyl functional groups, or both and the hydrolyzate for a t...
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A process for selection of oxygen-tolerant, H.sub.2 -producing algal mutant cells comprising:(a) growing algal cells photoautotrophically under fluorescent light to mid log phase;(b) inducing algal cells grown photoautrophically under fluorescent light to mid log phase in step (a) anaerobically by (...
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A process for the production of low molecular weight phenolic compounds from lignins through the pyrolysis of the lignins in the presence of a strong base. In a preferred embodiment, potassium hydroxide is present in an amount of from about 0.1% to about 5% by weight, the pyrolysis temperature is fr...
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A process for preparing phenol-formaldehyde resole resins and adhesive compositions in which portions of the phenol normally contained in said resins are replaced by a phenol/neutral fractions extract obtained from fractionating fast-pyrolysis oils....
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A process is disclosed for fractionating lignocellulosic materials fast-prolysis oils to produce phenol-containing compositions suitable for the manufacture of phenol-formaldehyde resins. The process includes admixing the oils with an organic solvent having at least a moderate solubility parameter a...
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Methods are described for pretreating microbial sludges to break cells and disrupt organic matter. One method involves the use of sonication, and another method involves the use of shear forces. The pretreatment of sludge enhances bioconversion of the organic fraction. This allows for efficient dewa...
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A process and apparatus for pretreating microbial sludges in order to enhance secondary anaerobic digestion. The pretreatment process involves disrupting the cellular integrity of municipal sewage sludge through a combination of thermal, explosive decompression and shear forces. The sludge is pressu...
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A process for producing a brightness stabilization mixture of water-soluble organic compounds from biomass pyrolysis oils comprising:a) size-reducing biomass material and pyrolyzing the size-reduced biomass material in a fluidized bed reactor;b) separating a char/ash component while maintaining char...
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The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydro...
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The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydro...
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The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydro...
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A process is described for converting organic materials (such as biomass wastes) into a bioplastic suitable for use as a biodegradable plastic. In a preferred embodiment the process involves thermally gasifying the organic material into primarily carbon monoxide and hydrogen, followed by photosynthe...
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A process for removing phenols from an aqueous solution is provided, which comprises the steps of contacting a mixture comprising the solution and a metal oxide, forming a phenol metal oxide complex, and removing the complex from the mixture....
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Strains of the yeast Pichia stipitis NPw9 (ATCC PTA-3717) useful for the production of ethanol using oxygen for growth while fermenting normally toxic lignocellulosic prehydrolysates....
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The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes utilizing the same. Examples include Zymomonas mobilis which has been transformed with combinations of E. coli...
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U.S. Patent 5,730,837
Technology Description A method for separating lignocellulosic material into (a) lignin, (b) cellulose, and (c) hemicellulose and dissolved sugars. Wood or herbaceous biomass is digested at elevated temperature in a single-phase mixture of alcohol, water and a water-immisc...
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A method for determining the mechanical properties of decayed wood that has been exposed to wood decay microorganisms, comprising:a) illuminating a surface of decayed wood that has been exposed to wood decay microorganisms with wavelengths from visible and near infrared (VIS-NIR) spectra;b) analyzin...
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A method for determining the dry mechanical strength for a green wood comprising: illuminating a surface of the wood to be determined with light between 350-2,500 nm, the wood having a green moisture content; analyzing the surface using a spectrometric method, the method generating a first spectral ...
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The gene encoding Acidothermus cellulolyticus E1 endoglucanase is cloned and expressed in Pichia pastoris. A new modified E1 endoglucanase enzyme comprising the catalytic domain of the full size E1 enzyme demonstrates enhanced thermostability and is produced by two methods. The first method of produ...
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A purified low molecular weight .beta.-D-glucosidase is produced from Acidothermus cellulolyticus ATCC 43068. The enzyme is water soluble, possesses activity against pNP-.beta.-D-glucopyranoside, has a high of degree of stability toward heat, exhibits optimal temperature activity at about 65.degree....
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U.S. Patent 5,371,212
Technology Description High purity levoglucosan is obtained from pyrolysis oil derived from cellulose by: mixing pyrolysis oil with water and a basic metal hydroxide, oxide, or salt in amount sufficient to elevate pH values to a range of from about 12 to about 12.5, and ad...
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U.S. Patent 5,432,276
Technology Description A method is provided for preparing high purity levoglucosan from lignocellulosic pyrolysis oils derived from wood or waste newsprint. The method includes reducing wood or newsprint to fine particle sizes, treating the particles with a hot mineral aci...
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A multi-function process is described for the hydrolysis and fractionation of lignocellulosic biomass to separate hemicellulosic sugars from other biomass components such as extractives and proteins; a portion of the solubilized lignin; cellulose; glucose derived from cellulose; and insoluble lignin...
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U.S. Patent 5,559,220
Technology Description A DNA encoding an acetyl-coenzyme A carboxylase (ACCase) from a photosynthetic organism and functional derivatives thereof which are resistant to inhibition from certain herbicides. This gene can be placed in organisms to increase their fatty acid co...
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U.S. Patent 6,013,860
Novel compositions and methods useful for genetic engineering of plant cells to provide expression in the plastids of a plant or plant cell of cellulose degrading enzymes....
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A process of converting lignocellulosic biomass to ethanol, comprising hydrolyzing lignocellulosic materials by subjecting dried lignocellulosic material in a reactor to a catalyst comprised of a dilute solution of a strong acid and a metal salt to lower the activation energy (i.e., the temperature)...
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A modified dilute acid method of hydrolyzing the cellulose and hemicellulose in lignocellulosic material under conditions to obtain higher overall fermentable sugar yields than is obtainable using dilute acid alone, comprising:impregnating a lignocellulosic feedstock with a mixture of an amount of a...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A process of using fast pyrolysis in a carrier gas to convert a waste phenolic resin containing feedstreams in a manner such that pyrolysis of said resins and a given high value monomeric constituent occurs prior to pyrolyses of the resins in other monomeric components therein comprising: selecting ...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A process of using fast pyrolysis to convert a plastic waste feed stream containing polycarbonate and ABS to high value monomeric constituents prior to pyrolysis of other plastic components therein comprising: selecting a first temperature program range to cause pyrolysis of a given polymer to its h...
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A process is described for moving fragments that code for cellulase activity from the genome of A. cellulolyticus to several plasmid vectors and the subsequent expression of active cellulase acitivty in E. coli.
U.S. Patent 5,514,584...
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A multi-function process for hydrolysis and fractionation of lignocellulosic biomass to separate hemicellulosic sugars from other biomass components comprising extractives and proteins; a portion of a solubilized lignin; cellulose; glucose derived from cellulose; and insoluble lignin from said bioma...
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A process for production of an alkaline tolerant dextranase enzyme comprises culturing a dextran-producing microorganism Streptomyces anulatus having accession no. ATCC PTA-3866 to produce an alkaline tolerant dextranase, Dex 1 wherein the protein in said enzyme is characterized by a MW of 63.3 kDa ...
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Commercial opportunity:
A proven process technology for the removal of carotenoid and other pigments from biomass, concentration, purification and packaging in accordance with EU specifications.
What is it that is novel and inventive about the invention?
New low cost system, mutliple products,...
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The Invention Dr. Amir Sharon and his team from Tel Aviv University have developed a transformation-based approach through which fungi can be modified to be less sensitive to external conditions and environmental stresses, have increased sustainability in culture during fermentation, and have both ...
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The invention relates to microorganisms which normally do not ferment a pentose sugar and which are genetically altered to ferment this pentose to produce ethanol. A representative example is Zymomonas mobilis which has been transformed with E. coli xylose isomerase, xylulokinase, transaldolase and ...
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A recombinant Lactobacillus MONT4 is provided which has been genetically engineered with xylose isomerase and xylulokinase genes from Lactobacillus pentosus to impart to the Lactobacillus MONT4 the ability to ferment lignocellulosic biomass containing xylose to lactic acid....
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A process of using fast pyrolysis in a carrier gas to convert a polystyrene and polyphenylene oxide plastic waste to a given polystyrene and polyphenylene oxide prior to pyrolysis of other plastic components therein comprising:selecting a first temperature range to cause pyrolysis of given polystyre...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selectin...
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A method of removing 1,11-diamino-6-undecanone from the pyrolysis product of nylon comprising: a) pyrolyzing nylon-6 to form a pyrolyzate containing a caprolactam mixture;b) dissolving the caprolactam mixture in a solvent to form a solution;c) passing carbon dioxide gas through the solution to form ...
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A progressive batch hydrolysis process for producing sugar from a lignocellulosic feedstock, comprising passing a stream of dilute acid serially through a plurality of percolation hydrolysis reactors charged with said feedstock, at a flow rate, temperature and pressure sufficient to substantially co...
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A process of making a fuel or chemical from a biomass hydrolyzate is provided which comprises the steps of providing a biomass hydrolyzate, adjusting the pH of the hydrolyzate, contacting a metal oxide having an affinity for guaiacyl or syringyl functional groups, or both and the hydrolyzate for a t...
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A process for the production of low molecular weight phenolic compounds from lignins through the pyrolysis of the lignins in the presence of a strong base. In a preferred embodiment, potassium hydroxide is present in an amount of from about 0.1% to about 5% by weight, the pyrolysis temperature is fr...
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A process for preparing phenol-formaldehyde resole resins and adhesive compositions in which portions of the phenol normally contained in said resins are replaced by a phenol/neutral fractions extract obtained from fractionating fast-pyrolysis oils....
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A process is disclosed for fractionating lignocellulosic materials fast-prolysis oils to produce phenol-containing compositions suitable for the manufacture of phenol-formaldehyde resins. The process includes admixing the oils with an organic solvent having at least a moderate solubility parameter a...
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Methods are described for pretreating microbial sludges to break cells and disrupt organic matter. One method involves the use of sonication, and another method involves the use of shear forces. The pretreatment of sludge enhances bioconversion of the organic fraction. This allows for efficient dewa...
...
A process and apparatus for pretreating microbial sludges in order to enhance secondary anaerobic digestion. The pretreatment process involves disrupting the cellular integrity of municipal sewage sludge through a combination of thermal, explosive decompression and shear forces. The sludge is pressu...
...
A process for producing a brightness stabilization mixture of water-soluble organic compounds from biomass pyrolysis oils comprising:a) size-reducing biomass material and pyrolyzing the size-reduced biomass material in a fluidized bed reactor;b) separating a char/ash component while maintaining char...
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The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydro...
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A purified low molecular weight cellulase endoglucanase I having a molecular weight of between about 57,420 to about 74,580 daltons from Acidothermus cellulolyticus (ATCC 43068). The cellulase is water soluble, possesses both C.sub.1 and C.sub.x types of enzyme activity, a high degree of stability t...
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A substantially purified high molecular weight cellulase enzyme having a molecular weight of between about 156,000 to about 203,400 daltons isolated from the bacterium Acidothermus cellulolyticus (ATCC 43068) and a method of producing it are disclosed. The enzyme is water soluble, possesses both C.s...
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A process for removing phenols from an aqueous solution is provided, which comprises the steps of contacting a mixture comprising the solution and a metal oxide, forming a phenol metal oxide complex, and removing the complex from the mixture....
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Strains of the yeast Pichia stipitis NPw9 (ATCC PTA-3717) useful for the production of ethanol using oxygen for growth while fermenting normally toxic lignocellulosic prehydrolysates....
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The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes utilizing the same. Examples include Zymomonas mobilis which has been transformed with combinations of E. coli...
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A method for separating lignocellulosic material into (a) lignin, (b) cellulose, and (c) hemicellulose and dissolved sugars. Wood or herbaceous biomass is digested at elevated temperature in a single-phase mixture of alcohol, water and a water-immiscible organic solvent (e.g., a ketone). After diges...
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A method for determining the mechanical properties of decayed wood that has been exposed to wood decay microorganisms, comprising:a) illuminating a surface of decayed wood that has been exposed to wood decay microorganisms with wavelengths from visible and near infrared (VIS-NIR) spectra;b) analyzin...
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A method for determining the dry mechanical strength for a green wood comprising: illuminating a surface of the wood to be determined with light between 350-2,500 nm, the wood having a green moisture content; analyzing the surface using a spectrometric method, the method generating a first spectral ...
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The gene encoding Acidothermus cellulolyticus E1 endoglucanase is cloned and expressed in Pichia pastoris. A new modified E1 endoglucanase enzyme comprising the catalytic domain of the full size E1 enzyme demonstrates enhanced thermostability and is produced by two methods. The first method of produ...
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A purified low molecular weight .beta.-D-glucosidase is produced from Acidothermus cellulolyticus ATCC 43068. The enzyme is water soluble, possesses activity against pNP-.beta.-D-glucopyranoside, has a high of degree of stability toward heat, exhibits optimal temperature activity at about 65.degree....
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A method is provided for preparing high purity levoglucosan from lignocellulosic pyrolysis oils derived from wood or waste newsprint. The method includes reducing wood or newsprint to fine particle sizes, treating the particles with a hot mineral acid for a predetermined period of time, and filterin...
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The present invention relates to a cloned gene which encodes an enzyme, the purified enzyme, and the applications and products resulting from the use of the gene and enzyme. The gene, isolated from Cyclotella cryptica, encodes a multifunctional enzyme that has both UDP-glucose pyrophosphorylase and ...
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A multi-function process is described for the hydrolysis and fractionation of lignocellulosic biomass to separate hemicellulosic sugars from other biomass components such as extractives and proteins; a portion of the solubilized lignin; cellulose; glucose derived from cellulose; and insoluble lignin...
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A DNA encoding an acetyl-coenzyme A carboxylase (ACCase) from a photosynthetic organism and functional derivatives thereof which are resistant to inhibition from certain herbicides. This gene can be placed in organisms to increase their fatty acid content or to render them resistant to certain herbi...
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A modified dilute acid method of hydrolyzing the cellulose and hemicellulose in lignocellulosic material under conditions to obtain higher overall fermentable sugar yields than is obtainable using dilute acid alone, comprising:impregnating a lignocellulosic feedstock with a mixture of an amount of a...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A process of using fast pyrolysis in a carrier gas to convert a waste phenolic resin containing feedstreams in a manner such that pyrolysis of said resins and a given high value monomeric constituent occurs prior to pyrolyses of the resins in other monomeric components therein comprising: selecting ...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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A strain derived from Zymomonas mobilis ATCC31821 or its derivative capable of producing ethanol upon fermentation of a carbohydrate medium containing xylose to provide enhanced xylose utilization and enhanced ethanol process yield, the strain or its derivative comprising exogenous genes encoding xy...
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A process of pyrolyzing plastic waste feed streams containing polyvinyl chloride, polyethylene terephthalate, polystyrene and polyethylene to recover polystyrene HCl and terephthalic acid comprising: heating the plastic waste feed stream to a first temperature; adding an acid or base catalyst on an ...
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This invention relates to single microorganisms which normally do not ferment pentose sugars which are genetically altered to ferment the pentose sugars, xylose and arabinose, to produce ethanol, and a fermentation process utilizing the same. Examples include Zymomonas mobilis which has been transfo...
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The present invention briefly includes a transposon for stable insertion of foreign genes into a bacterial genome, comprising at least one operon having structural genes encoding enzymes selected from the group consisting of xylAxylB, araBAD and tal/tkt; and at least one promoter for expression of t...
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A method for sterilizing process fermentation vessels with a concentrated alcohol and water mixture integrated in a fuel alcohol or other alcohol production facility. Hot, concentrated alcohol is drawn from a distillation or other purification stage and sprayed into the empty fermentation vessels. T...
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A process is disclosed for separating low molecular weight components from complex aqueous organic mixtures. The process includes preparing a separation solution of supercritical carbon dioxide with an effective amount of an entrainer to modify the solvation power of the supercritical carbon dioxide...
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A process of preparing an acid addition salt of delta-aminolevulinc acid comprising:a) dissolving a lower alkyl 5-bromolevulinate and hexamethylenetetramine in a solvent selected from the group consisting of water, ethyl acetate, chloroform, acetone, ethanol, tetrahydrofuran and acetonitrile, to for...
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A process of preparing an acid addition salt of delta-aminolevulinic acid comprising:dissolving a lower alkyl 5-bromolevulinate and an alkali metal diformylamide in an organic solvent selected from the group consisting of acetonitrile, methanol, tetrahydrofuran, 2-methyltetrahydrofuran and methylfor...
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The invention provides a thermal tolerant cellulase that is a member of the glycoside hydrolase family. The invention further discloses this cellulase as GuxA. GuxA has been isolated and characterized from Acidothermus cellulolyticus. The invention further provides recombinant forms of the identifie...
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A purified low molecular weight endoglucanase II from Acidothermus cellulolyticus (ATCC 43068) is disclosed. The endoglucanase is water soluble, possesses both C.sub.1, and C.sub.x types of enzyme activity, a high degree of stability toward heat, and exhibits optimum temperature activity at about 81...
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In a method for determining the dry mechanical strength for a green wood, the improvement comprising: (a) illuminating a surface of the wood to be determined with a reduced range of wavelengths in the VIS-NIR spectra 400 to 1150 nm, said wood having a green moisture content; (b) analyzing the surfac...
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Disclosed in the present invention is a Zymomonas integrant and derivatives of these integrants that posess the ability to ferment pentose into ethanol. The genetic sequences encoding for the pentose-fermenting enzymes are integrated into the Zymomonas in a two-integration event of homologous recomb...
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EJIB-2541
APPLICATIONS OF TECHNOLOGY:
Producing a wide variety dicarboxylic acids for the manufacture of commercial polymers, e.g. polyesters, polyamides, polyurethanes
ADVANTAGES:
Starting material is renewable, cellulosic or other biomass instead of petroleum
Enzymes can be modified to...
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A process of using fast pyrolysis in a carrier gas to convert a plastic waste feedstream having a mixed polymeric composition in a manner such that pyrolysis of a given polymer to its high value monomeric constituent occurs prior to pyrolysis of other plastic components therein comprising: selecting...
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High purity levoglucosan is obtained from pyrolysis oil derived from cellulose by: mixing pyrolysis oil with water and a basic metal hydroxide, oxide, or salt in amount sufficient to elevate pH values to a range of from about 12 to about 12.5, and adding an amount of the hydroxide, oxide, or salt in...
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The gene encoding Acidothermus cellulolyticus E1 endoglucanase is cloned and expressed in heterologous microorganisms. A new modified E1 endoglucanase enzyme is produced along with variants of the gene and enzyme. The E1 endoglucanase is useful for hydrolyzing cellulose to sugars for simultaneous or...
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Novel compositions and methods useful for genetic engineering of plant cells to provide expression in the plastids of a plant or plant cell of cellulose degrading enzymes....
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A process of using fast pyrolysis to convert a plastic waste feed stream containing polycarbonate and ABS to high value monomeric constituents prior to pyrolysis of other plastic components therein comprising: selecting a first temperature program range to cause pyrolysis of a given polymer to its h...
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A multi-function process for hydrolysis and fractionation of lignocellulosic biomass to separate hemicellulosic sugars from other biomass components comprising extractives and proteins; a portion of a solubilized lignin; cellulose; glucose derived from cellulose; and insoluble lignin from said bioma...
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A process of converting lignocellulosic biomass to ethanol, comprising hydrolyzing lignocellulosic materials by subjecting dried lignocellulosic material in a reactor to a catalyst comprised of a dilute solution of a strong acid and a metal salt to lower the activation energy (i.e., the temperature)...
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Cloning of Cellulas Genes from Acidothermus cellulolyticus U.S. Patent 5,514,584...
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A process for production of an alkaline tolerant dextranase enzyme comprises culturing a dextran-producing microorganism Streptomyces anulatus having accession no. ATCC PTA-3866 to produce an alkaline tolerant dextranase, Dex 1 wherein the protein in said enzyme is characterized by a MW of 63.3 kDa ...
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