(19)

(11)

EP 1 274 818 A1

(12)

(43) Date of publication: 15.01.2003 Bulletin 2003/03 (21) Application number: 01920806.5 (22) Date of filing: 08.02.2001

(51) International Patent Classification (IPC)7: C10L 1/06, C10L 1/08 (86) International application number: PCT/US0109/792 (87) International publication number: WO 0106/0955 (23.08.2001 Gazette 2001/34)

(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: 14.02.2000 GB 0003386 (71) Applicant: ExxonMobil Research and Engineering Company Annandale,New Jersey 08801 (US)	(72) Inventors: PACE, Stuart Oxford OX1 4TZ (GB) SCHILOWITZ, Alan, Mark Highland Park, NJ 08904 (US) (74) Representative: Troch, Geneviève  ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)