(19)

(11)

EP 1 644 463 A1

(12)

(43) Date of publication: 12.04.2006 Bulletin 2006/15 (21) Application number: 04766080.8 (22) Date of filing: 25.06.2004

(51) International Patent Classification (IPC):  C10G 45/58(1980.01) C10G 65/12(1980.01) (86) International application number: PCT/EP2004/051248 (87) International publication number: WO 2005/000999 (06.01.2005 Gazette 2005/01)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 27.06.2003 EP 03291598 (71) Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. 2596 HR Den Haag (NL)	(72) Inventors: GERMAINE, Gilbert, Robert, Bernard F-76650 Petit Couronne (FR) STEENGE, Wiecher, Derk, Evert NL-1031 CM Amsterdam (NL)