(19)

(11)

EP 1 238 045 A1

(12)

(43) Date of publication: 11.09.2002 Bulletin 2002/37 (21) Application number: 00976916.7 (22) Date of filing: 03.11.2000

(51) International Patent Classification (IPC)7: C10M 101/02 (86) International application number: PCT/US0030/384 (87) International publication number: WO 0103/4735 (17.05.2001 Gazette 2001/20)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 09.11.1999 US 164407 P 25.09.2000 US 669094 (71) Applicant: ExxonMobil Research and Engineering Company Annandale,New Jersey 08801 (US)	(72) Inventors: CROSTHWAIT, Hans, Kennard Fairfax, VA 22031-4718 (US) MAY, Christopher, John Sarnia, Ontario N7S 4A7 (CA) DEANE, Barry, C. Baton Rouge, LO 70810 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)