(19)

(11)

EP 1 702 035 A2

(12)

(88) Date of publication A3: 09.03.2006 (43) Date of publication: 20.09.2006 Bulletin 2006/38 (21) Application number: 04814589.0 (22) Date of filing: 16.12.2004

(51) International Patent Classification (IPC):  C10G 29/04(2006.01) C10G 29/06(2006.01) C10G 45/00(2006.01) (86) International application number: PCT/US2004/042430 (87) International publication number: WO 2005/063939 (14.07.2005 Gazette 2005/28)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 19.12.2003 US 531506 P 14.10.2004 US 618892 P (71) Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. 2596 HR Den Haag (NL)	(72) Inventors: BHAN, Opinder, Kishan Katy, TX 77450 (US) WELLINGTON, Scott, Lee Bellaire, Texas 77401 (US) (74) Representative: Zeestraten, Albertus W. J. et al Shell International B.V., Intellectual Property Services, P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)