Global Patent Index - EP 1319028 A1

EP 1319028 A1 2003-06-18 - USE OF SUPPORTED HEAT-STABLE CHROMIUM HYDRIDE SPECIES FOR OLEFIN POLYMERISATION

Title (en)

USE OF SUPPORTED HEAT-STABLE CHROMIUM HYDRIDE SPECIES FOR OLEFIN POLYMERISATION

Title (de)

VERWENDUNG VON GETRÄGERTEN, THERMISCH STABILEN CHROMHYDRIDEN ZUR POLYMERISATION VON OLEFINEN

Title (fr)

UTILISATION D'ESPECES HYDRURES DE CHROME SUPPORTEES, THERMIQUEMENT STABLES, POUR REALISER LA POLYMERISATION D'OLEFINES

Publication

EP 1319028 A1 (FR)

Application

EP 01976339 A

Priority

  • FR 0102947 W
  • FR 0012120 A

Abstract (en)

[origin: WO0224765A1] The invention concerns the use of a catalyst comprising chromium hydride species heat-stable at 400 DEG C, bound to the surface of a mineral support, in particular silica, for olefin polymerisation.

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

C08F 4/78; C08F 10/00

IPC 8 full level (invention and additional information)

C08F 4/78 (2006.01); C08F 10/00 (2006.01)

CPC (invention and additional information)

C08F 10/00 (2013.01)

Combination set (CPC)

C08F 10/00 + C08F 4/78

Citation (search report)

See references of WO 0224765A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0224765 A1 20020328; AU 9564201 A 20020402; EP 1319028 A1 20030618; FR 2814464 A1 20020329; FR 2814464 B1 20040409; JP 2004509991 A 20040402; US 2004092681 A1 20040513

INPADOC legal status


2005-04-06 [18W] APPLICATION WITHDRAWN

- Effective date: 20050211

2003-06-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030314

2003-06-18 [AK] DESIGNATED CONTRACTING STATES:

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

2003-06-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI