(19)
(11) EP 1 525 228 A2

(12)

(88) Date of publication A3:
15.07.2004

(43) Date of publication:
27.04.2005 Bulletin 2005/17

(21) Application number: 03766850.6

(22) Date of filing: 10.07.2003
(51) International Patent Classification (IPC)7C08F 4/642, C08F 210/02, C08F 110/06
(86) International application number:
PCT/US2003/021540
(87) International publication number:
WO 2004/013194 (12.02.2004 Gazette 2004/07)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 02.08.2002 US 211085
05.03.2003 US 382233

(71) Applicant: Equistar Chemicals, LP
Houston, TX 77010 (US)

(72) Inventors:
  • WANG, Shaotian
    Mason, OH 45040 (US)
  • LEE, Clifford, C.
    Pearland, TX 77584 (US)
  • MACK, Mark, P.
    West Chester, OH 45069-6440 (US)
  • HLATKY, Gregory, G.
    Morrow, OH 45152 (US)
  • NAGY, Sandor
    Naperville, IL 60565 (US)
  • TSUIE, Barbara, M.
    Cincinnati, OH 45209 (US)
  • MEVERDEN, Craig, C.
    Mason, OH 45040 (US)

(74) Representative: Nederlof, Etienne C. 
Octrooibureau Vriesendorp & Gaade,Postbus 266
2501 AW Den Haag
2501 AW Den Haag (NL)

   


(54) CATALYSTS AND PROCESS FOR MAKING POLYOLEFINS