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(11)

EP 1 337 610 A1

(12)

(43) Date of publication: 27.08.2003 Bulletin 2003/35 (21) Application number: 00964214.1 (22) Date of filing: 20.09.2000

(51) International Patent Classification (IPC)7: C10M 141/02, C10M 141/06, C10M 141/12, C10M 163/00 // (C10M141/02, 129:72), C10M129:95,(C10M141/06, 129:72, 133:16), C10M133:56,(C10M141/12, 129:72), C10M139:00,(C10M163/00, 129:72), C10M159:16, C10N30:02, C10N30:04, C10N30:06, C10N40:25 (86) International application number: PCT/EP0009/211 (87) International publication number: WO 0202/4840 (28.03.2002 Gazette 2002/12)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (71) Applicant: ExxonMobil Research and Engineering Company Annandale,New Jersey 08801 (US)	(72) Inventor: BRIFFETT, Neil, Edward,Patents and Licences Leatherhead, Surrey KT22 8XE (GB) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc.,P.O. Box 105 1830 Machelen 1830 Machelen (BE)