(19)

(11)

EP 1 668 101 A1

(12)

(43) Date of publication: 14.06.2006 Bulletin 2006/24 (21) Application number: 04781798.6 (22) Date of filing: 19.08.2004

(51) International Patent Classification (IPC):  C10M 163/00(1985.01) C10M 169/04(1985.01) (86) International application number: PCT/US2004/027184 (87) International publication number: WO 2005/026301 (24.03.2005 Gazette 2005/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 05.09.2003 US 500378 P 04.06.2004 US 861601 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventor: CARTWRIGHT, Stanley, James Sarnia, Ontario N7T 7H4 (CA) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc., P.O. Box 105 1830 Machelen 1830 Machelen (BE)