(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)7C08F 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