(19)

(11)

EP 1 664 246 A1

(12)

(43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04777131.6 (22) Date of filing: 25.06.2004

(51) International Patent Classification (IPC):  C10L 1/04(1968.09) C10L 1/16(1968.09) C10L 1/06(1968.09) (86) International application number: PCT/US2004/020541 (87) International publication number: WO 2005/007781 (27.01.2005 Gazette 2005/04)

(84) Designated Contracting States: FR GB IT SE (30) Priority: 03.07.2003 US 485001 P 18.06.2004 US 871116 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: FARREL, John, T. High Bridge, NJ 08829 (US) JOHNSTON, Robert, J. Bridgewater, NJ 08807 (US) (74) Representative: Troch, Geneviève  IP Law Shared Services ExxonMobil Chemical Europe Inc. P.O. Box 105 B-1830 Machelen B-1830 Machelen (BE)