(19)

(11)

EP 2 004 781 A1

(12)

(43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07754306.4 (22) Date of filing: 28.03.2007

(51) International Patent Classification (IPC):  C10M 169/04(2006.01) (86) International application number: PCT/US2007/007765 (87) International publication number: WO 2007/126951 (08.11.2007 Gazette 2007/45)

(84) Designated Contracting States: DE (30) Priority: 31.03.2006 US 788235 P 23.02.2007 US 710374 (71) Applicant: ExxonMobil Research and Engineering Company Annandale NJ 08801-0900 (US)	(72) Inventors: POIRIER, Marc-Andre Sarnia, Ontario, N7W1C1 (CA) WARDLOW, Andrea, B. Cherry Hill, NJ 08034 (US) (74) Representative: Troch, Geneviève  ExxonMobil Chemical Europe Inc. I.P. Law Shared Services P.O. Box 105 Hermeslaan 2 1831 Machelen 1831 Machelen (BE)