(19)

(11)

EP 1 869 143 A2

(12)

(88) Date of publication A3: 08.03.2007 (43) Date of publication: 26.12.2007 Bulletin 2007/52 (21) Application number: 06740732.0 (22) Date of filing: 07.04.2006

(51) International Patent Classification (IPC):  C10G 45/04(2006.01) C10G 45/00(2006.01) C10G 47/12(2006.01) C10G 47/10(2006.01) C10G 45/08(2006.01) C10G 49/04(2006.01) (86) International application number: PCT/US2006/013067 (87) International publication number: WO 2006/110546 (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: 11.04.2005 US 670147 P (71) Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. 2596 HR The Hague (NL)	(72) Inventor: BHAN, Opinder Kishan Katy, Texas 77450 (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)