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Chemistry: Molecular Biology And Microbiology > Micro-organism, Tissue Cell Culture Or Enzyme Using Process To Synthesize A Desired Chemical Compound Or Composition > Preparing Oxygen-containing Organic Compound > Containing A Carboxyl Group Containing A Carboxyl GroupContaining A Carboxyl Group patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.04/19/07 - 20070087422 - Process for the preparation of (-) modafinil An enzymatic process for the preparation of intermediates useful in the synthesis of (−) modafinil. ... 02/22/07 - 20070042476 - Novel gene encoding malic enzyme and method for preparing succinic acid using the same A nucleotide sequence encoding a malic enzyme and a method for preparing succinic acid using the same, more particularly, a maeB nucleotide sequence encoding a malic enzyme B having the activity of converting pyruvic acid or pyruvate to malic acid or malate, or vice versa, a recombinant vector containing the ... 02/15/07 - 20070037264 - Preparation of (e)- and (z)-2-methyl-2-butenoic acids A method has been developed to prepare (E)- and (Z)-2-methyl-2-butenoic acids (2M2BA) from a mixture of (E,Z)-2-methyl-2-butenenitriles (2M2BN) by the regioselective hydrolysis of (E)-2M2BN to (E)-2-methyl-2-butenoic acid (2M2BA) using enzyme catalysts having either a nitrilase activity or a combination of nitrile hydratase and amidase activities. The method provides high yields ... 01/25/07 - 20070020741 - Process for preparing enantiomer-enriched alpha-hydroxycarboxylic acids and amides The present invention describes an enzymatic process for preparing enantiomer-enriched α-hydroxycarboxylic acids and amides which comprises, in one step, the conversion of a carbonyl compound to the corresponding acid/amides via the intermediate stage of a cyanohydrin. The invention also provides a reaction system operating in such a way and a ... 01/18/07 - 20070015264 - Method for producing organic acid ammonium solution Organic acid ammonium solution is produced by the steps of obtaining a fermentation broth containing organic acid magnesium by using an organic acid-producing microorganism in the presence of a magnesium compound, producing organic acid ammonium and a magnesium compound by subjecting the organic acid magnesium contained in the fermentation broth ... 01/04/07 - 20070004017 - 3-hydroxycarboxylic acid production and use in branched polymers This invention relates to a process for the preparation of a 3-hydroxycarboxylic acid from a 3-hydroxynitrile. More specifically, 3-hydroxyvaleronitrile is converted to 3-hydroxyvaleric acid in high yield at up to 100% conversion, using as an enzyme catalyst 1) nitrile hydratase activity and amidase activity or 2) nitrilase activity of a ... 12/28/06 - 20060292676 - Method for the producing vanillic acid and vanillin from waste residue of rice bran oil by fermentation and biotransformation A method for the production of vanillic acid and vanillin from waste residue (niger) of rice bran oil by microbial fermentation and biotransformation is provided. The method of the present invention comprises the steps of hydrolization of ferulic acid esters in waste residue of rice bran oil to ferulic acid ... 12/07/06 - 20060275881 - Methods for the production of tyrosine, cinnamic acid and para-hydroxycinnamic acid Genes encoding phenylalanine ammonia-lyase (PAL), tyrosine ammonia lyase (TAL) and phenylalanine hydroxylase (PAH) have been introduced into a host organism for the production of Para-hydroxycinnamic acid (PHCA). The introduction of these genes results in the redirection of carbon flow in the host, optimizing the flow of carbon from glucose to ... 11/16/06 - 20060257983 - Metabolically engineered micro-organisms having reduced production of undesired metabolic products A metabolically engineered micro-organism has an operative first metabolic pathway in which a first metabolite is transformed into a second metabolite in a reaction in which NAD is a cofactor for a first enzyme, suitably a phosphorylating dehydrogenase, said reaction step producing NADH. Said second metabolite is transformed into at ... 09/28/06 - 20060216801 - Coupled cofactor-dependent enzymatic reaction systems in aqueous media The present application relates to a reaction system in which chemically valuable compounds can be obtained in high enantiomer concentrations with the aid of a coupled enzymatically operating transformation process. The coupled enzymatic reaction system comprises a cofactor-dependent enzymatic transformation of an organic compound and an enzymatic regeneration of the ... 09/21/06 - 20060211101 - Methods for producing end-products from carbon substrates The present invention provides means for the production of desired end-products of in vitro and/or in vivo bioconversion of biomass-based feed stock substrates, including but not limited to such materials as starch and cellulose. In particularly preferred embodiments, the methods of the present invention do not require gelatinization and/or liquefaction ... 07/20/06 - 20060160198 - Method for the production of glycolic acid from ammonium glycolate by direct deammoniation The present invention relates to a method for obtaining glycolic acid by direct deammoniation of ammonium glycolate. More specifically, water is removed from an aqueous solution of ammonium glycolate to produce the substantially anhydrous salt. Thermal salt cracking is then used to remove ammonia from the salt, producing a deammoniated ... 07/20/06 - 20060160197 - Method for the production of glycolic acid from ammonium glycolate by solvent extraction The present invention relates to a method for producing glycolic acid from an aqueous solution of ammonium glycolate using reactive solvent extraction. More specifically, an aqueous solution of glycolic acid is created by acidifying an aqueous ammonium glycolate solution. An organic extraction solution comprising a tertiary trialkylamine is contacted with ... 07/20/06 - 20060160196 - Process for the synthesis of glycolonitrile A process to prepare substantially pure glycolonitrile in an aqueous medium is provided by reacting hydrogen cyanide and formaldehyde. The formaldehyde feed stream is heated prior to reacting with hydrogen cyanide, resulting in an aqueous glycolonitrile solution with fewer impurities, especially less unreacted formaldehyde, than is obtained by other methods. ... 06/01/06 - 20060115883 - Preparation of (e)- and (z)-2-methyl-2-butenoic acids A method has been developed to prepare (E)- and (Z)-2-methyl-2-butenoic acids (2M2BA) from a mixture of (E,Z)-2-methyl-2-butenenitriles (2M2BN) by the regioselective hydrolysis of (E)-2M2BN to (E)-2-methyl-2-butenoic acid (2M2BA) using enzyme catalysts having either a nitrilase activity or a combination of nitrile hydratase and amidase activities. The method provides high yields ... 05/25/06 - 20060110808 - Methods for preserving and/or storing cellshaving a nitrilase or nitrile hydratase avtivity The invention relates to a method for preserving and/or storing microorganisms which exhibit at least one nitrile hydratase or nitrilase enzyme activity, with the preservation and/or storage being effected in an aqueous medium which comprises at least one aldehyde, with the total aldehyde concentration being in a range from 0.1 ... 05/18/06 - 20060105441 - Process for the preparation of indole derivatives by enzymatic acylation A process for the preparation of compounds of formula (1), by enzymatic acylation to form compounds of formulae (3a) and (3a) and then reacting the compound of formula (3a) with a compound introducing the radical of formula —CH2—COOR8, R8 being an organic radical, and then reducing, and optionally hydrolysing, the ... 02/16/06 - 20060035352 - Production of 3-hydroxycarboxylic acid using nitrilase This invention relates to nitrilase mutants having improved nitrilase activity for converting 3-hydroxynitriles to 3-hydroxycarboxylic acids. More specifically, the Acidovorax facilis 72W (ATCC 55746) nitrilase gene was mutated using error-prone PCR and site-directed mutagenesis to create nitrilase enzymes having improved nitrilase activity for converting 3-hydroxynitriles (e.g., 3-hydroxybutyronitrile or 3-hydroxyvaleronitrile) to ... 02/02/06 - 20060024801 - Methods and systems for biomass conversion to carboxylic acids and alcohols The disclosure includes a method, process and apparatus for the conversion of biomass to carboxylic acids and/or primary alcohols. The system may include a pretreatment/fermentation subsystem operable to produce a fermentation broth containing carboxylic acid salts from biomass, such as lignocellulosic biomass. The system may also include a dewatering subsystem ... 12/29/05 - 20050287655 - Process for producing mevalonic acid A microorganism having the ability to biosynthesize mevalonic acid from acetyl-CoA is obtained by transfecting a DNA participating in biosynthesis of mevalonic acid from acetyl-CoA into a host microorganism, preferably into a microorganism having only a non-mevalonic acid pathway, to express the DNA therein. Mevalonic acid can be efficiently produced ... 11/24/05 - 20050260724 - Methods for the preparation of para-hydroxycinnamic acid and cinnamic acid at alkaline ph Methods for the microbial production of para-hydroxycinnamic acid (pHCA) and cinnamic acid (CA) are provided. Microbes producing either tyrosine or phenylalanine are grown in the presence of either tyrosine ammonium lyase or phenylalanine ammonium lyase respectively where some part of the fermentation is accomplished at alkaline pH. The process results ... 11/17/05 - 20050255572 - Microbial production of pyruvate and other metabolites Microbial production of pyruvate and metabolites derived from pyruvate in cells exhibiting reduced pyruvate dehydrogenase activity compared to wild-type cells. Acetate and glucose are supplied as a carbon sources. ... 09/29/05 - 20050214915 - Method of controlling ethanol production and mass production of lactic acid and transformant therefor The present invention provides a transformant into which has been incorporated DNA for coding a foreign protein having lactate dehydrogenase activity and provided with pyruvic acid substrate affinity that equals or exceeds the pyruvic acid substrate affinity of the pyruvate decarboxylase inherent in the host organism. Said transformant can stably ... 08/18/05 - 20050181491 - Biooxidation capabilities of candida sp A bioprocess for producing carboxylic acids, alcohols and aldehydes is provided by culturing Candida sp. in a fermentation medium containing various defined substrates. ... ### FreshPatents.com Support |