(19)

(11)

EP 2 148 915 A1

(12)

(43) Date of publication: 03.02.2010 Bulletin 2010/05 (21) Application number: 08743081.5 (22) Date of filing: 18.04.2008

(51) International Patent Classification (IPC):  C10M 157/06(2006.01) C10M 169/04(2006.01) C10N 30/10(2006.01) C10M 163/00(2006.01) C10N 40/25(2006.01) C10N 10/04(2006.01) (86) International application number: PCT/US2008/005052 (87) International publication number: WO 2008/133853 (06.11.2008 Gazette 2008/45)

(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: 24.04.2007 US 925979 P (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventor: CARTWRIGHT, Stanley, James Sarnia, ON N7T 7H4 (CA) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc. I.P. Law Shared Services P.O. Box 105 Hermeslaan 2 1831 Machelen 1831 Machelen (BE)