Global Patent Index - EP 1237960 A1

EP 1237960 A1 2002-09-11 - IRON-BASED CATALYST FOR PRODUCING OLIGOMERS OF CONJUGATED DIENES

Title (en)

IRON-BASED CATALYST FOR PRODUCING OLIGOMERS OF CONJUGATED DIENES

Title (de)

KATALYSATOR AUS EISEN BASIS ZUR HERSTELLUNG VON KONJUGIERTEN DIEN-OLIGOMERE

Title (fr)

CATALYSEUR A BASE DE FER POUR LA PRODUCTION D'OLIGOMERES DE DIENES CONJUGUES

Publication

EP 1237960 A1 (EN)

Application

EP 00978386 A

Priority

  • US 0030498 W
  • US 43462799 A
  • US 43466999 A

Abstract (en)

[origin: WO0132724A1] A catalyst composition that is formed by combining (a)(i) an iron compound and a halogen-containing compound or (ii) a halogen-containing iron compound, (b) a hydrogen phosphite, and (c) an organoaluminum compound. This catalyst composition is particularly useful for preparing oligomers of conjugated dienes.

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

C08F 36/04; C08F 4/70

IPC 8 full level (invention and additional information)

B01J 31/22 (2006.01); B01J 31/14 (2006.01); C07B 61/00 (2006.01); C07C 2/40 (2006.01); C07C 2/46 (2006.01); C07C 11/21 (2006.01); C07C 13/20 (2006.01); C08F 4/70 (2006.01); C08F 36/00 (2006.01); C08F 36/04 (2006.01)

CPC (invention and additional information)

C08F 4/70 (2013.01); C07C 2/406 (2013.01); C08F 36/04 (2013.01); C07C 2531/14 (2013.01); C07C 2531/24 (2013.01)

Combination set (CPC)

C08F 36/04 + C08F 4/70

Citation (search report)

See references of WO 0132724A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FR GB IT LI NL

EPO simple patent family

WO 0132724 A1 20010510; CA 2389806 A1 20010510; EP 1237960 A1 20020911; JP 2003513770 A 20030415

INPADOC legal status


2004-10-27 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20040423

2004-05-12 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

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

2004-01-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20031212

2002-09-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020425

2002-09-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR