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1. (WO2010139527) A METHOD FOR THE PREPARATION OF 2-KETO CARBOXYLIC ACID
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2010/139527    International Application No.:    PCT/EP2010/056345
Publication Date: 09.12.2010 International Filing Date: 10.05.2010
IPC:
C12P 7/50 (2006.01)
Applicants: EVONIK DEGUSSA GMBH [DE/DE]; Rellinghauser Straße 1-11 45128 Essen (DE) (For All Designated States Except US).
KARAU, Andreas [DE/FR]; (FR) (For US Only).
MORIN, Nicolas [FR/FR]; (FR) (For US Only).
GERSTMEIR, Robert [DE/DE]; (DE) (For US Only)
Inventors: KARAU, Andreas; (FR).
MORIN, Nicolas; (FR).
GERSTMEIR, Robert; (DE)
Priority Data:
09162079.9 05.06.2009 EP
Title (EN) A METHOD FOR THE PREPARATION OF 2-KETO CARBOXYLIC ACID
(FR) PROCÉDÉ DE PRÉPARATION D'ACIDE 2-CÉTO-CARBOXYLIQUE
Abstract: front page image
(EN)The present invention refers to a method for the preparation of 2-keto carboxylic acid having the general formula R1-CO-COOH, wherein R1 is a branched alkyl group having 3 to 7 carbon atoms, or a salt thereof, comprising a fermentation step wherein a microorganism is grown in a culture medium in order to provide a culture broth containing 2-keto carboxylic acid or a salt thereof.
(FR)La présente invention concerne un procédé de préparation d'acide 2-céto- carboxylique ayant la formule générale R1-CO-COOH, dans laquelle R1 est un groupe alkyle ramifié ayant 3 à 7 atomes de carbone, ou son sel, comprenant une étape de fermentation dans laquelle un microorganisme est cultivé dans un milieu de culture afin de donner un bouillon de culture contenant de l'acide 2-céto-carboxylique ou son sel.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)