Global Patent Index - EP 1071647 A1

EP 1071647 A1 2001-01-31 - PROCESS FOR THE PRODUCTION OF ACETIC ACID AND/OR ACETIC ANHYDRIDE

Title (en)

PROCESS FOR THE PRODUCTION OF ACETIC ACID AND/OR ACETIC ANHYDRIDE

Title (de)

VERFAHREN ZUR HERSTELLUNG VON ESSIGSÄURE UND/ODER ESSIGSÄUREANHYDRID

Title (fr)

PROCEDE DE PRODUCTION D'ACIDE ACETIQUE ET/OU D'ANHYDRIDE ACETIQUE

Publication

EP 1071647 A1 (EN)

Application

EP 99915943 A

Priority

  • GB 9901142 W
  • GB 9808208 A
  • GB 9812881 A

Abstract (en)

[origin: WO9954273A1] A process for the production of acetic acid and/or acetic anhydride which process comprises carbonylating with carbon monoxide in a liquid reaction composition in a carbonylation reactor at least one methyl ester of an aliphatic carboxylic acid having a boiling point equal to or greater than the temperature of the carbonylation reaction in the presence of a Group VIII metal carbonylation catalyst, a hydrocarbyl halide co-catalyst and in the presence or absence of water.

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

C07C 51/12; C07C 51/56; C07C 53/08; C07C 53/12

IPC 8 full level (invention and additional information)

C07C 51/12 (2006.01); C07C 51/56 (2006.01)

CPC (invention and additional information)

C07C 51/12 (2013.01); C07C 51/56 (2013.01)

Combination set (CPC)

  1. C07C 51/12 + C07C 53/08
  2. C07C 51/56 + C07C 53/12

Citation (search report)

See references of WO 9954273A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 9954273 A1 19991028; AU 3436299 A 19991108; EP 1071647 A1 20010131; TW 565551 B 20031211

INPADOC legal status


2003-05-28 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20021101

2001-01-31 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000928

2001-01-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB