(19)

(11)

EP 1 254 198 A1

(12)

(43) Date of publication: 06.11.2002 Bulletin 2002/45 (21) Application number: 01903113.7 (22) Date of filing: 18.01.2001

(51) International Patent Classification (IPC)7: C10G 45/58, C10G 65/04 (86) International application number: PCT/US0101/703 (87) International publication number: WO 0105/7158 (09.08.2001 Gazette 2001/32)

(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: 03.02.2000 US 497439 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: TRUST, Donald, Bruce Denville, NJ 07834 (US) DEAN, Christopher, M. Baton Rouge, LA 70809 (US) WITTENBRINK, Robert, Jay Kingswood, TX 77345 (US) RYAN, Daniel, Francis Baton Rouge, LA 70820 (US) (74) Representative: Troch, Geneviève  ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)