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(11)

EP 2 539 123 A1

(12)

(43) Date of publication: 02.01.2013 Bulletin 2013/01 (21) Application number: 11703909.9 (22) Date of filing: 18.02.2011

(51) International Patent Classification (IPC):  B29B 7/00(2006.01) C08J 3/00(2006.01) C08L 23/00(2006.01) B29C 47/36(2006.01) B01F 7/04(2006.01) (86) International application number: PCT/EP2011/052425 (87) International publication number: WO 2011/101438 (25.08.2011 Gazette 2011/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 22.02.2010 US 338700 P (71) Applicant: Ineos Commercial Services UK Limited Hampshire SO43 7FG (GB)	(72) Inventors: RAHIM, Waseem League City Texas 77573 (US) SANDER, Robert E. Houston Texas 77096 (US) (74) Representative: King, Alex  Mathisen & Macara LLP Communications House South Street Staines-upon-Thames Middlesex, TW18 4PR Middlesex, TW18 4PR (GB)