(19)
(11)
EP 1 053 261 A1
(12)
(43)
Date of publication:
22.11.2000
Bulletin 2000/47
(21)
Application number:
99900844.4
(22)
Date of filing:
18.01.1999
(51)
International Patent Classification (IPC)
7
:
C08F
4/64
,
C08F
10/00
(86)
International application number:
PCT/CA9900/028
(87)
International publication number:
WO 9940/125
(
12.08.1999
Gazette 1999/32)
(84)
Designated Contracting States:
DE FR GB IT NL
(30)
Priority:
06.02.1998
CA 2228923
(71)
Applicant:
Nova Chemicals (International) S.A.
1752 Villars-sur Glâne 1 (CH)
(72)
Inventors:
JEREMIC, Dusan
Calgary, Alberta T3K 3S6 (CA)
BROWN, Stephen, John
Calgary, Alberta T2Z 2G7 (CA)
MCKAY, Ian
Calgary, Alberta T3J 1T1 (CA)
(74)
Representative:
Harrison, David Christopher et al
MEWBURN ELLISYork House23 Kingsway
London WC2B 6HP
London WC2B 6HP (GB)
(54)
PROCESS FOR PREPARING SUPPORTED OLEFIN POLYMERIZATION CATALYST