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(11)

EP 1 451 267 A1

(12)

(43) Date of publication: 01.09.2004 Bulletin 2004/36 (21) Application number: 02787828.9 (22) Date of filing: 26.11.2002

(51) International Patent Classification (IPC)7: C10C 3/00, C10G 9/00, C10G 51/02 (86) International application number: PCT/EP2002/013313 (87) International publication number: WO 2003/046111 (05.06.2003 Gazette 2003/23)

(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: 26.11.2001 EP 01128035 (71) Applicant: SHELL INTERNATIONALE RESEARCHMAATSCHAPPIJ B.V. 2596 HR Den Haag (NL)	(72) Inventors: BEUTLER, Maik D-21107 Hamburg (DE) PULS, Carsten, Karl D-21107 Hamburg (DE)