(19)

(11)

EP 2 504 416 A1

(12)

(43) Date of publication: 03.10.2012 Bulletin 2012/40 (21) Application number: 10784756.8 (22) Date of filing: 23.11.2010

(51) International Patent Classification (IPC):  C10M 169/04(2006.01) C10N 30/02(2006.01) C10N 40/04(2006.01) C10M 171/02(2006.01) C10N 20/02(2006.01) (86) International application number: PCT/EP2010/067995 (87) International publication number: WO 2011/064194 (03.06.2011 Gazette 2011/22)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 25.11.2009 EP 09177029 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR Den Haag (NL)	(72) Inventors: PADDON, Christopher, Andrew Chester Cheshire CH2 4NU (GB) SONG, Wei Houston, Texas 77005 (US) WHITMIRE, Carol, Perkins Katy, Texas 77449 (US) WEDLOCK, David John Chester, Cheshire CH2 4NU (GB) (74) Representative: Matthezing, Robert Maarten  Shell International B.V. Intellectual Property Services P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)