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(11)

EP 1 436 369 A1

(12)

(43) Date of publication: 14.07.2004 Bulletin 2004/29 (21) Application number: 02799616.4 (22) Date of filing: 24.09.2002

(51) International Patent Classification (IPC)7: C10M 101/04, C10M 169/04 // (C10M169/04, 101:04, 101:02, 105:36, 105:38, 129:72, 129:74, 143:02, 143:00), C10M159:08,(C10N30/00, 40:25, 60:00) (86) International application number: PCT/US2002/030233 (87) International publication number: WO 2003/027212 (03.04.2003 Gazette 2003/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 25.09.2001 US 324723 P (71) Applicant: SHELL INTERNATIONALE RESEARCHMAATSCHAPPIJ B.V. 2501 CJ Den Haag (NL)	(72) Inventors: CHIU, I-Ching Houston, TX 77031 (US) GUNSEL, Selda The Woodlands, TX 77382 (US) LACEY, Paul The Woodlands, TX 77381 (US)