Global Patent Index - EP 1042258 A1

EP 1042258 A1 2000-10-11 - METHOD FOR PRODUCING ALKYLENE GLYCOL

Title (en)

METHOD FOR PRODUCING ALKYLENE GLYCOL

Title (de)

VERFAHREN ZUR HERSTELLUNG VON ALKYLENGLYKOL

Title (fr)

PROCEDE DE PREPARATION D'ALKYLENEGLYCOL

Publication

EP 1042258 A1 (DE)

Application

EP 98966839 A

Priority

  • DE 19757684 A
  • EP 9808347 W

Abstract (en)

[origin: DE19757684A1] A process for the production of alkylene glycol(s) by reaction of a mixture of alkylene oxide(s), catalyst(s) and water uses a catalyst which is insoluble in the reaction mixture and contains at least one covalently bonded acid functional group and at least one covalently bonded basic functional group. An Independent claim is also included for molded bodies containing a support with at least one acid and at least one basic functional group, these functional groups being covalently bonded with the support.

IPC 1-7 (main, further and additional classification)

C07C 29/10

IPC 8 full level (invention and additional information)

B01J 21/08 (2006.01); C07B 61/00 (2006.01); C07C 29/10 (2006.01); C07C 31/20 (2006.01)

CPC (invention and additional information)

C07C 29/106 (2013.01); Y02P 20/52 (2015.11)

Combination set (CPC)

  1. C07C 29/106 + C07C 31/202
  2. C07C 29/106 + C07C 31/205
  3. C07C 29/106 + C07C 31/207

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI NL

EPO simple patent family

DE 19757684 A1 19990624; CA 2310835 A1 19990708; CN 1283172 A 20010207; EP 1042258 A1 20001011; ID 24736 A 20000803; JP 2001527055 A 20011225; WO 9933772 A1 19990708

INPADOC legal status


2001-08-22 [18W] WITHDRAWN

- Date of withdrawal: 20010628

2000-10-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000707

2000-10-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE CH DE ES FR GB IT LI NL