Class / Patent application number | Description | Number of patent applications / Date published |
562577000 | Aldehyde or ketone | 17 |
20080242889 | METHOD FOR THE PRODUCTION OF PYRUVIC ACID - The invention relates to a method for the production of pyruvic acid, in particular pyruvic acid that is | 10-02-2008 |
20090118540 | Method For Producing Pyruvic Acid - The invention relates to a method for the production of pyruvic acid. | 05-07-2009 |
20120065428 | METHOD FOR THE PREPARATION OF 2-KETO CARBOXYLIC ACID - The present invention refers to a method for the preparation of 2-keto carboxylic acid having the general formula R | 03-15-2012 |
20120178967 | LEVULINIC ACID FROM FUNGAL BIOMASS - Systems and methods for producing levulinic acid from fungal biomass are disclosed. In one implementation, a method for distilling levulinic acid from a glucosamine-containing feedstock is disclosed that yields a relatively pure (e.g., 90% or greater) levulinic acid product from an otherwise problematic waste stream. | 07-12-2012 |
20120277465 | REDUCTION OF CARBON DIOXIDE TO CARBOXYLIC ACIDS, GLYCOLS, AND CARBOXYLATES - Methods and systems for electrochemical conversion of carbon dioxide to carboxylic acids, glycols, and carboxylates are disclosed. A method may include, but is not limited to, steps (A) to (D). Step (A) may introduce water to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce carbon dioxide to a second compartment of the electrochemical cell. The second compartment may include a solution of an electrolyte and a cathode. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to reduce the carbon dioxide to a carboxylic acid intermediate. Step (D) may contact the carboxylic acid intermediate with hydrogen to produce a reaction product. | 11-01-2012 |
20130123535 | Beta-Ketocarbonylquat Compounds and Process for the Preparation thereof - β-ketocarbonylquats contain at least one quaternary ammonium salt group, and may be prepared by the reaction of an alkyl ketene dimer with a tertiary amine group-containing compound also containing a protic group, followed by quaternization. | 05-16-2013 |
20130137896 | PROCESS FOR PREPARING SULFUR-CONTAINING 2-KETOCARBOXYLATE COMPOUND - The present invention provides a novel process for preparing a sulfur-containing 2-ketocarboxylate compound without using any enzyme. The process comprises a step of oxidizing a hydroxyacetate compound having an optionally-substituted sulfur-containing hydrocarbon group at 2-position in the presence of ruthenium metal or a ruthenium compound. Preferably, the step is carried out under pressurized condition, and more preferably, in the presence of at least one typical metal selected from the group consisting of an alkali metal compound and an alkaline earth metal compound. | 05-30-2013 |
20130137897 | PROCESS FOR PREPARING SULFUR-CONTAINING 2-KETOCARBOXYLATE COMPOUND - The present invention provides a novel process for preparing a sulfur-containing 2-ketocarboxylate compound without using any enzyme. The process comprises a step of oxidizing a hydroxyacetate compound having an optionally-substituted sulfur-containing hydrocarbon group at 2-position in the presence of a vanadium compound. Preferably, the step is carried out further in the presence of oxygen, and more preferably, in the presence of an organic solvent. | 05-30-2013 |
20140128634 | PROCESS TO PREPARE LEVULINIC ACID - The invention describes processes to prepare levulinic acid, formic acid and/or hydroxymethyl furfural from various biomass materials. | 05-08-2014 |
20140171683 | PROCESS FOR THE ENZYMATIC PRODUCTION OF C4 COMPOUNDS FROM C6 SUBSTRATES - The present invention relates to a novel process for converting a substrate of formula (III) and/or (IV) into a product of formula (I) or (II) comprising the following reactions: a) oxidation of at least one terminal C-atom, b) dehydratation, c) decarboxylation and d) reduction and/or amination. At least step b is enzyme-catalyzed. In a preferred embodiment, all reactions are enzymatically catalyzed. The enzymes catalyzing the reactions are selected from oxidoreductases, decarboxylases, dehydratases and/or aminotransferases. The process may be performed in a cell-free in vitro production system or in an improved fermentative production system. | 06-19-2014 |
20140206901 | RECOMBINANT MICROORGANISMS AND METHODS OF USE THEREOF - The invention relates to methods for the production of chemical compounds, particularly but not exclusively ethanol, by microbial fermentation. Also described are genetically modified micro-organisms capable of using carbon monoxide to produce one or more products, particularly but not exclusively ethanol as a main product, and producing a reduced amount or substantially no 2,3-butanediol and/or a precursor thereof. | 07-24-2014 |
20140221684 | Electrochemical Co-Production of Chemicals Utilizing a Halide Salt - The present disclosure includes a system and method for co-producing a first product and a second product. The system may include a first electrochemical cell, at least one second reactor, and an acidification chamber. The method and system for co-producing a first product and a second product may include co-producing a carboxylic acid and at least one of an alkene, alkyne, aldehyde, ketone, or an alcohol while employing a recycled halide salt. | 08-07-2014 |
20140316161 | PROCESS TO PREPARE LEVULINIC ACID - The invention describes processes to prepare levulinic acid, formic acid and/or hydroxymethyl furfural from various biomass materials. | 10-23-2014 |
20150291499 | PROCESS TO PREPARE LEVULINIC ACID - The invention describes processes to prepare levulinic acid, formic acid and/or hydroxymethyl furfural from various biomass materials. | 10-15-2015 |
20150361467 | METHODS, REAGENTS AND CELLS FOR BIOSYNTHESIZING COMPOUNDS - This document describes biochemical pathways for producing 5-hydroxypentanoate methyl ester and pentanoic acid pentyl ester using one or more of a fatty acid O-methyltransferase, an alcohol O-acetyltransferase, and a monooxygenase, as well as recombinant hosts expressing one or more of such exogenous enzymes. 5-hydroxypentanoate methyl esters and pentanoic acid pentyl esters can be enzymatically converted to glutaric acid, 5-aminopentanoate, 5-hydroxypentanoate, cadaverine, or 1,5-pentanediol. | 12-17-2015 |
20160168067 | PROCESS FOR THE ISOLATION OF LEVULINIC ACID | 06-16-2016 |
20160251296 | PROCESS TO PREPARE LEVULINIC ACID | 09-01-2016 |