(19)

(11)

EP 1 054 941 A1

(12)

(43) Date of publication: 29.11.2000 Bulletin 2000/48 (21) Application number: 99908125.0 (22) Date of filing: 12.02.1999

(51) International Patent Classification (IPC)7: C10G 71/00, C10G 35/06, C10G 35/085, C10G 35/095, C10C 5/00 (86) International application number: PCT/US9902/986 (87) International publication number: WO 9941/333 (19.08.1999 Gazette 1999/33)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 13.02.1998 US 74579 P (71) Applicant: ExxonMobil Research and Engineering Company Annandale,New Jersey 08801 (US)

(72) Inventors: MURPHY, William, John Baton Rouge, LA 70816 (US) McVICKER, Gary, Brice Califon, NJ 07830 (US) HANTZER, Sylvain Prairieville, LA 70769 (US) CODY, Ian, Alfred Baton Rouge, LA 70809 (US) SOLED, Stuart, Leon Pittstown, NJ 08867 (US) LINEK, Sandra, Jean Baton Rouge, LA 70806 (US) BAUMGARTNER, Joseph, Ernest Califon, NJ 07830 (US) (74) Representative: Dew, Melvyn John et al Exxon Chemical Europe Inc.,Law TechnologyP.O. Box 105 1830 Machelen 1830 Machelen (BE)