(19)
(11) EP 1 613 674 A1

(12)

(43) Date of publication:
11.01.2006 Bulletin 2006/02

(21) Application number: 04727239.8

(22) Date of filing: 14.04.2004
(51) International Patent Classification (IPC): 
C08F 110/02(1974.07)
 C08F 4/02(1974.07)
(86) International application number:
PCT/EP2004/003897
(87) International publication number:
WO 2004/092232 (28.10.2004 Gazette 2004/44)
(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 PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 15.04.2003 DE 10317395
30.05.2003 US 474415 P

(71) Applicant: Basell Poliolefine Italia S.r.l.
20124 Milano (IT)

(72) Inventors:
  • FOETTINGER, Klaus
    68199 Mannheim (DE)
  • SCHNEIDER, Martin
    65779 Kelkheim (DE)

   


(54) ZIEGLER-NATTA CATALYST SYSTEMS AND PROCESS FOR THEIR PREPARATION