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EP 2 231 715 A1

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(43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 08865820.8 (22) Date of filing: 11.11.2008

(51) International Patent Classification (IPC):  C08F 4/64(2006.01) C08F 10/02(2006.01) C08F 4/659(2006.01) C07F 7/00(2006.01) (86) International application number: PCT/US2008/083128 (87) International publication number: WO 2009/082556 (02.07.2009 Gazette 2009/27)

(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: 21.12.2007 US 962822 16.04.2008 EP 08154611 (71) Applicant: ExxonMobil Chemical Patents Inc. Baytown, TX 77520-2101 (US)	(72) Inventors: GIESBRECHT, Garth, R. The Woodlands TX 77381 (US) SOLAN, Gregory, A. Leicestershire LEI 6RR (GB) DAVIES, Christopher, J. Manchester M27 9RW (GB) (74) Representative: Mareschal, Anne et al ExxonMobil Chemical Europe Inc. IP Law Shared Services Hermeslaan 2 1831 Machelen 1831 Machelen (BE)