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(11)

EP 1 753 795 A1

(12)

(43) Date of publication: 21.02.2007 Bulletin 2007/08 (21) Application number: 05739848.9 (22) Date of filing: 17.05.2005

(51) International Patent Classification (IPC):  C08F 291/18(2006.01) C08F 8/06(2006.01) C08F 255/02(2006.01) (86) International application number: PCT/IB2005/051605 (87) International publication number: WO 2005/116096 (08.12.2005 Gazette 2005/49)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 28.05.2004 US 575639 P (71) Applicant: Basell Poliolefine Italia S.r.l. 10124 Milano (IT)	(72) Inventors: SONG, Cheng, Song, Q. Wilmington, DE 19803 (US) SCHNECKENBURGER, Daniel, E. Chesapeake City, MD 21915 (US) (74) Representative: Giberti, Stefano et al Basell Poliolefine Italia S.r.l. Intellectual Property P.le G. Donegani 12 I-44100 Ferrara I-44100 Ferrara (IT)