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Machine translation
1. (WO2009059148) PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2009/059148    International Application No.:    PCT/US2008/082010
Publication Date: 07.05.2009 International Filing Date: 31.10.2008
IPC:
C08G 65/00 (2006.01)
Applicants: E. I. DU PONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street, Wilmington, Delaware 19898 (US) (For All Designated States Except US).
HARMER, Mark, Andrew [GB/US]; (US) (For US Only).
JACKSON, Scott, Christopher [US/US]; (US) (For US Only).
HOFFMANN, Christian [DE/US]; (US) (For US Only).
SPENCE, Rupert [CA/CA]; (CA) (For US Only).
MURPHY, Edward, R. [US/US]; (US) (For US Only)
Inventors: HARMER, Mark, Andrew; (US).
JACKSON, Scott, Christopher; (US).
HOFFMANN, Christian; (US).
SPENCE, Rupert; (CA).
MURPHY, Edward, R.; (US)
Agent: LHULIER, Christine, M.; E. I. du Pont de Nemours and Company, Legal Patent Records Center, 4417 Lancaster Pike, Wilmington, Delaware 19805 (US)
Priority Data:
60/984,437 01.11.2007 US
Title (EN) PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF
(FR) PRÉPARATION DE POLYTRIMÉTHYLÈNE ÉTHER GLYCOL OU DE COPOLYMÈRES ASSOCIÉS
Abstract: front page image
(EN)This invention relates to a process for preparing polytrimethylene ether glycols or copolymers thereof having a number-average molecular weight of at least about 250 g/mole by a polycondensation reaction using at least one acid catalyst.
(FR)Cette invention concerne un procédé de préparation de polytriméthylène éther glycols ou de copolymères associés ayant un poids moléculaire moyen en nombre d'au moins environ 250g/mole par une réaction de polycondensation utilisant au moins un catalyseur acide.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, 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, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, 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, HR, HU, IE, IS, IT, LT, LU, LV, MC, MT, NL, NO, 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)