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Machine translation
1. (WO2004101469) POLYTRIMETHYLENE ETHER GLYCOL WITH EXCELLENT QUALITY FROM BIOCHEMICALLY-DERIVED 1,3-PROPANEDIOL
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2004/101469    International Application No.:    PCT/US2004/014041
Publication Date: 25.11.2004 International Filing Date: 05.05.2004
IPC:
C08G 65/34 (2006.01)
Applicants: E.I. DUPONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street, WILMINGTON, DE 19898 (US) (For All Designated States Except US).
SUNKARA, Hari, Babu [US/US]; (US) (For US Only).
NG, Howard, Chung-Ho [CA/CA]; (CA) (For US Only)
Inventors: SUNKARA, Hari, Babu; (US).
NG, Howard, Chung-Ho; (CA)
Agent: KULLER, Mark, D.; E. I. Du Pont De Nemours and Company, Legal Patent Records Center, 4417 Lancaster Pike, Wilmington, DE 19805 (US)
Priority Data:
60/468,228 06.05.2003 US
10/634,611 05.08.2003 US
Title (EN) POLYTRIMETHYLENE ETHER GLYCOL WITH EXCELLENT QUALITY FROM BIOCHEMICALLY-DERIVED 1,3-PROPANEDIOL
(FR) POLYTRIMETHYLENE ETHER GLYCOL D'EXCELLENTE QUALITE OBTENU A PARTIR DE 1,3-PROPANEDIOL DERIVE BIOCHIMIQUEMENT
Abstract: front page image
(EN)A process is provided comprising contacting 1,3-propanediol with a suitable polymerization catalyst to produce polytrimethylene ether glycol, wherein the 1,3-propanediol comprises about 10 microg/g or less peroxide compounds, based on the weight of 1,3-propanediol.
(FR)L'invention concerne un procédé consistant à mettre en contact du 1,3-propanediol avec un catalyseur de polymérisation approprié afin de produire du polytriméthylène éther glycol, le 1,3-propanediol comprenant environ 10 microg/g ou moins de composés de peroxide, en fonction du poids de 1,3-propanediol.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, 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 (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PL, PT, RO, SE, SI, SK, 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)