(19)

(11)

EP 2 010 636 A2

(12)

(88) Date of publication A3: 21.02.2008 (43) Date of publication: 07.01.2009 Bulletin 2009/02 (21) Application number: 07775190.7 (22) Date of filing: 10.04.2007

(51) International Patent Classification (IPC):  C10M 141/12(2006.01) (86) International application number: PCT/US2007/008946 (87) International publication number: WO 2007/120712 (25.10.2007 Gazette 2007/43)

(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 LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 13.04.2006 US 791775 P 30.03.2007 US 731880 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: BUCK, William, H. West Chester, PA 19832 (US) FARNG, Liehpao, Oscar Lawrenceville, NJ 08648 (US) DECKMAN, Douglas, Edward Mullica Hill, NJ 08062 (US) KENNEDY, Steven West Chester, PA 19380 (US) HORODYSKY, Andrew, G. Cherry Hill, NJ 08003 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc., IP Law, Hermeslaan 2 1831 Machelen 1831 Machelen (BE)