(19)

(11)

EP 1 869 147 A1

(12)

(43) Date of publication: 26.12.2007 Bulletin 2007/52 (21) Application number: 06725726.1 (22) Date of filing: 12.04.2006

(51) International Patent Classification (IPC):  C10L 1/08(2006.01) C10G 25/02(2006.01) C10G 25/00(2006.01) C10L 10/04(2006.01) (86) International application number: PCT/EP2006/061549 (87) International publication number: WO 2006/108854 (19.10.2006 Gazette 2006/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 12.04.2005 EP 05252268 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR Den Haag (NL)

(72) Inventors: CLAYTON, Christopher William Chester Cheshire CH2 4NU (GB) DAHLSTROM, Mary Ann Katy, Texas 77450 (US) LEE, George Robert Chester Cheshire CH2 4 NU (GB) PRICE, Richard John Chester Cheshire CH2 4NU (GB) SMITH, Susan Jane Chester Cheshire CH2 4NU (GB) TAIT, Nigel Peter Chester Cheshire CH2 4NU (GB) WALLINGTON, Jessica F Chester Cheshire CH2 4NU (GB) (74) Representative: Zeestraten, Albertus W. J.  Shell International B.V., Intellectual Property Services, P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)