WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2014191145) METHOD FOR DEHYDRATING ALPHA-SUBSTITUTED CARBOXYLIC ACIDS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2014/191145 International Application No.: PCT/EP2014/058578
Publication Date: 04.12.2014 International Filing Date: 28.04.2014
IPC:
C07C 51/347 (2006.01)
Applicants: MAY, Alexander[DE/DE]; DE (US)
KRILL, Steffen[DE/DE]; DE (US)
BECKER, Jörg[DE/DE]; DE (US)
PLÖSSER, Willi[DE/DE]; DE (US)
TRESKOW, Marcel[DE/DE]; DE (US)
KÖSTNER, Martin[DE/DE]; DE (US)
EVONIK RÖHM GMBH[DE/DE]; Kirschenallee 64293 Darmstadt, DE (AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CA, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IR, IS, IT, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, ZA, ZM, ZW)
Inventors: MAY, Alexander; DE
KRILL, Steffen; DE
BECKER, Jörg; DE
PLÖSSER, Willi; DE
TRESKOW, Marcel; DE
KÖSTNER, Martin; DE
Priority Data:
10 2013 209 821.927.05.2013DE
Title (EN) METHOD FOR DEHYDRATING ALPHA-SUBSTITUTED CARBOXYLIC ACIDS
(FR) PROCÉDÉ DE DÉSHYDRATATION D'ACIDES CARBOXYLIQUES ALPHA-SUBSTITUÉS
(DE) VERFAHREN ZUR DEHYDRATISIERUNG VON ALPHA-SUBSTITUIERTEN CARBONSÄUREN
Abstract:
(EN) The invention relates to a method for producing alpha-beta-unsaturated carboxylic acids by dehydrating alpha-substituted hydroxy or alkoxy carboxylic acids, in particular by dehydrating 2-hydroxy isobutyric acid, while avoiding the accumulation of by-products and admixed additives.
(FR) L'invention décrit un procédé de production d'acides carboxyliques alpha-bêta-insaturés par déshydratation d'acides hydroxy- ou alcoxy-carboxyliques substitués en position alpha, en particulier d'acides 2-hydroxy-isobutyriques, en évitant l'accumulation de sous-produits et d'additifs ajoutés.
(DE) Die vorliegende Erfindung beschreibt ein Verfahren zur Herstellung von alpha-beta- ungesättigten Carbonsäuren durch Dehydratisierung von in alpha-Stellung substituierten Hydroxy-oder Alkoxy-Carbonsäuren, insbesondere von 2-Hydroxyisobuttersäure, unter Vermeidung der Akkumulation von Nebenprodukten und zugesetzter Additive.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, 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, IR, IS, JP, KE, KG, 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, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)