(19)

(11)

EP 2 231 378 A1

(12)

(43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 08856464.6 (22) Date of filing: 04.12.2008

(51) International Patent Classification (IPC):  B29C 45/00(2006.01) B29C 45/14(2006.01) B29C 45/37(2006.01) (86) International application number: PCT/EP2008/010268 (87) International publication number: WO 2009/071290 (11.06.2009 Gazette 2009/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 05.12.2007 EP 07023499 01.02.2008 US 63379 P (71) Applicant: Basell Poliolefine Italia S.R.L. 20124 Milano (IT)	(72) Inventors: MÜLLER, Klaus 65843 Sulbach (DE) KLEMM, Klaus 97656 Oberelsbach (DE) (74) Representative: Seelert, Stefan  Basell Polyolefine GmbH Intellectual Property Industriepark Hoechst, B852, 3rd floor 65926 Frankfurt am Main 65926 Frankfurt am Main (DE)