(19)

(11)

EP 1 937 792 A1

(12)

(43) Date of publication: 02.07.2008 Bulletin 2008/27 (21) Application number: 06807300.6 (22) Date of filing: 16.10.2006

(51) International Patent Classification (IPC):  C10M 169/04(2006.01) C10N 30/04(2006.01) C10N 40/30(2006.01) C10M 133/12(2006.01) C10N 30/10(2006.01) (86) International application number: PCT/EP2006/067444 (87) International publication number: WO 2007/045629 (26.04.2007 Gazette 2007/17)

(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: 17.10.2005 EP 05256430 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR Den Haag (NL)	(72) Inventors: BELL, Nicholas John Chester Cheshire CH1 3SH (GB) NAGAKARI, Mitsuhiro Aikou, Kanagawa 243-0303 (JP) SMITH, Peter William Robert Chester Cheshire CH1 3SH (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)