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108 Results for 'Biobased & renewable chemicals & fuels'
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Technology
Salt-Enhanced Production Of Gamma-Valerolactone (Gvl) From Aqueous Solutions Of Levulinic And Formic Acids
A method to produce levulinic acid (LA) and gamma-valerolactone (GVL) from biomass-derived cellulose or lignocellulose by selective extraction of LA using GVL and optionally converting the LA so isola...
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James Dumesic, Stephanie Wettstein, David Martin Alonso, Elif Gurbuz | P120063US01
Technology
Nitroxyl-Mediated Oxidation Of Lignin And Polycarboxylated Products
Methods of selectively modifying lignin, polycarboxylated products thereof, and methods of deriving aromatic compounds therefrom. The methods comprise electrochemically oxidizing lignin using stable n...
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Shannon Stahl, Mohammad Rafiee | P160217US01
Technology
Polycarboxylated Compounds And Compositions Containing Same
Methods of selectively modifying lignin, polycarboxylated products thereof, and methods of deriving aromatic compounds therefrom. The methods comprise electrochemically oxidizing lignin using stable n...
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Shannon Stahl, Mohammad Rafiee | P160218US01
Technology
Bioconversion Of Levulinic Acid In Genetically Engineered Hosts
Described is a recombinant expression vector that enables a cell transformed to contain and express the vector to use levulinic acid as a carbon source, thereby converting levulnic acid into 2-butanne...
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Brian Pfleger, Jacqueline Rand, Christopher Mehrer, Matthew Incha | P170368US02
Technology
Over-Expression Of Azf1 Improves The Rate Of Anaerobic Xylose Fermentation In Engineered Yeast Strains
The present invention provides an isolated AZF1 gene sequence, recombinant vectors, and recombinant yeast which are useful in methods of enhanced biofuel production, particularly ethanol production. M...
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Audrey Gasch, Kevin Myers | P160421US02
Technology
Method Of Selectively Oxidizing Lignin
A method of selectively reacting lignin or a lignin-derived reactant to yield an aromatic product. The method includes the step of reacting lignin or a lignin-derived reactant with a molybdenum-contai...
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John Ralph, Ruili Gao | P180055US02
Technology
Methods Of Producing Oligosaccharides For Use As Prebiotics
Provided herein are methods for preparing prebiotic oligosaccharides by non-enzymatic methods of glycosylation of monosaccharides and/or disaccharides or by hydrolysis of polymeric sugars to monosacch...
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Xuejun Pan, Ning Li | P180109US02
Technology
Electrochemical Oxidation Of 5-Hydroxymethylfurfural Using Copper-Based Anodes
Electrochemical cells for the oxidation of 5-hydroxymethylfurfural are provided. Also provided are methods of using the cells to carry out the oxidation reactions. The electrochemical cells and method...
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Kyoung-Shin Choi, Dohwan Nam | P180020US01
Technology
Production Of 1,5-Pentanediol Via Upgrading Of Tetrahydrofurfuryl Alcohol
A method of making 1,5-pentanediol from tetrahydrofurfural alcohol. The method includes the steps of dehydrating tetrahydrofurfural alcohol (THFA) to dihydropyran (DHP); hydrating at least a portion o...
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George Huber, James Dumesic, Kevin Barnett | P170394US01
Technology
Electrochemical Oxidation Of Aromatic Aldehydes In Acidic Media
Methods for electrochemically oxidizing aromatic aldehydes, such as furfural and furfural derivatives, to carboxylic acids in acidic solutions are provided. Also provided are electrochemical cells for...
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Kyoung-Shin Choi, Stephen Kubota | P180052US01
Technology
Catalytic Production Of 1,2,5,6-Hexanetetrol From Levoglucosenone
A method of making of 1,2,5,6-hexanetetrol (“tetrol”). The method includes the steps of contacting a reaction solution containing water as well as levoglucosenone, dihydrolevoglucosenone, and/or l...
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George Huber, James Dumesic, Siddarth Krishna | P180001US02
Technology
Microorganisms And Methods For Producing 2-Pyrone-4,6-Dicarboxylic Acid And Other Compounds
Recombinant microorganisms configured for enhanced production of compounds such as 2-pyrone-4,6-dicarboxylic acid (PDC) and methods of using the recombinant microorganisms for the production of these ...
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Timothy Donohue, Jose Perez, Wayne Kontur, Daniel Noguera, German Umana Chapeton | P180219US02
Technology
Engineered Yeast Strains Enabling Anaerobic Xylose Fermentation Decoupled From Microbial Growth
The present invention relates to materials and methods for the production of ethanol. More particularly, the present invention provides genetically modified strains of Saccharomyces cerevisiae exhibit...
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Audrey Gasch, Kevin Myers | P170374US02
Technology
Method To Liquefy Biomass
A method of liquefying biomass. The method includes the steps of contacting biomass with a solution comprising an acyl halide and an acid; and then contacting the biomass with a reductant.
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John Ralph, Steven Karlen | P180250US02
Technology
Microbiomes And Methods For Producing Medium-Chain Fatty Acids From Organic Substrates
Microbiome compositions and uses thereof. The microbiome compositions include a set of microbes. The sets of microbes contain members of Lactobacillaceae, Eubacteriaceae, Lachnospiraceae, and Coriobac...
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Timothy Donohue, Matthew Scarborough, Daniel Noguera | P170271US05
Technology
Mutant Thioesterases
Mutant thioesterases having enhanced medium chain substrate activity, polynucleotides encoding and configured to express the mutant thioesterases in a transformed host cell, host cells transformed to ...
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Brian Pfleger, Rung-Yi Lai, Nestor Hernandez Lozada | P180007US02
Technology
Economical Methods For Performing Oxidative Catalytic Pretreatment Of Plant Biomass Using A Homogeneous Catalyst System
An improved alkaline pretreatment of biomass is provided that uses a homogenous catalyst with one or more metals and metal coordinating ligands, wherein the homogeneous catalyst is used with at least ...
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Shannon Stahl, Zhaoyang Yuan, Eric Hegg, David Hodge, Bryan Bals | P200223US02
Technology
Electrochemical Reductive Amination of Furfural
5-Hydroxymethylfurfural (HMF) has been called the “sleeping giant” of building block chemistry and listed among the top 10 biomass-based platform chemicals by the U.S Department of Energy.
Reduc...
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Kyoung-Shin Choi, John Roylance | P170001US01
Technology
‘Green’ Tylenol: Synthesizing Acetaminophen from Renewable Biomass
Paracetamol (acetaminophen) is an analgesic and fever-reducing medicine. It is an active ingredient in many widely sold over-the-counter medicines such as Tylenol and Panadol. As a prescription pharma...
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John Ralph, Steven Karlen, Justin Mobley | P170066US02
Technology
Recyclable Catalyst for Lower Cost Production of Fermentable Sugars and High Value Chemicals from Biomass
Lignocellulose is plant biomass that is the most abundantly available raw material on Earth for producing end products such as biofuels and certain high value chemicals. Processes currently exist to s...
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Malek Alkasrawi, Joynal Abedin | T170034US02
Technology
Microbes Produce High Yields of Fatty Alcohols from Glucose
Fatty alcohols are used in detergents, emulsifiers, lubricants and personal care items. More than 1.3 million tons of fatty alcohols are used worldwide each year, representing a $3 billion market.
C...
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Brian Pfleger, J. Tyler Youngquist | P140076US02
Technology
Fatty Acid-Producing Microbes for Generating Medium- and Long-Chain Hydrocarbons
New, renewable sources of transportation fuel are needed to meet continuing demand. While the main focus has been on biomass-derived gasoline alternatives such as ethanol and other short-chain alcohol...
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Brian Pfleger, Rebecca Lennen | P09329US02
Technology
High Yield Method to Produce HMF from Fructose
The platform molecule 5-hydroxymethylfurfural (HMF), produced from the dehydration of C6 sugars (hexoses), is considered to be one of the top value-added chemicals. The efficient production of HMF fro...
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James Dumesic, Ali Hussain Motagamwala | P180329US01
Technology
Enzymatic Depolymerization of Lignin
Lignin is a renewable resource that accounts for up to 30 percent of the dry weight of vascular plant cell walls. It is comprised of aromatic compounds that may be valuable commodities for the biofuel...
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Timothy Donohue, Daniel Gall, Wayne Kontur, Hoon Kim, John Ralph, Daniel Noguera, Brian Fox, Craig Bingman | P170274US02
Technology
Recombinant High-Lipid Microbe for Bioproduct & Biofuel Production
Lipids derived from microorganisms, including bacteria, yeast and microalgae, offer a promising source of renewable fuels and chemicals. Oleaginous microbes – defined as those accumulating more than...
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Timothy Donohue, Kimberly Lemmer, Weiping Zhang, Daniel Noguera | P170068US02