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1. (WO2010121021) PROCESSES FOR PREPARING POLYTRIMETHYLENE GLYCOL USING ION EXCHANGE RESINS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2010/121021 International Application No.: PCT/US2010/031228
Publication Date: 21.10.2010 International Filing Date: 15.04.2010
IPC:
C08G 65/48 (2006.01) ,C08G 65/46 (2006.01) ,C08G 18/48 (2006.01) ,C08G 18/16 (2006.01)
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
65
Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
34
from hydroxy compounds or their metallic derivatives
48
Polymers modified by chemical after-treatment
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
65
Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
34
from hydroxy compounds or their metallic derivatives
46
Post-polymerisation treatment, e.g. recovery, purification, drying
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18
Polymeric products of isocyanates or isothiocyanates
06
with compounds having active hydrogen
28
characterised by the compounds used containing active hydrogen
40
High-molecular-weight compounds
48
Polyethers
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18
Polymeric products of isocyanates or isothiocyanates
06
with compounds having active hydrogen
08
Processes
16
Catalysts
Applicants: SPENCE, Rupert[CA/CA]; CA (UsOnly)
E.I. DU PONT DE NEMOURS AND COMPANY[US/US]; 1007 Market Street Wilmington, Delaware 19898, US (AllExceptUS)
Inventors: SPENCE, Rupert; CA
Agent: TANZER, Gail, D.; E.I. du Pont de Nemours and Company Legal Patent Records Center 4417 Lancaster Pike Wilmington, Delaware 19805, US
Priority Data:
61/169,82916.04.2009US
Title (EN) PROCESSES FOR PREPARING POLYTRIMETHYLENE GLYCOL USING ION EXCHANGE RESINS
(FR) PROCÉDÉS DE PRÉPARATION DE POLYTRIMÉTHYLÈNE GLYCOL À L'AIDE DE RÉSINES ÉCHANGEUSES D'IONS
Abstract:
(EN) Processes for preparing polytrimethylene ether glycol or copolymers thereof using an acid polycondensation catalyst and ion exchange resins are provided.
(FR) La présente invention concerne des procédés de préparation de polytriméthylène éther glycol ou ses copolymères à l'aide d'un catalyseur acide de polycondensation et des résines échangeuses d'ions.
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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (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)