(19)

(11)

EP 2 440 638 A1

(12)

(43) Date of publication: 18.04.2012 Bulletin 2012/16 (21) Application number: 10724074.9 (22) Date of filing: 08.06.2010

(51) International Patent Classification (IPC):  C10M 145/14(2006.01) C10N 40/04(2006.01) (86) International application number: PCT/EP2010/057990 (87) International publication number: WO 2010/142668 (16.12.2010 Gazette 2010/50)

(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 SE SI SK SM TR (30) Priority: 09.06.2009 JP 2009138099 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR The Hague (NL)	(72) Inventors: NAGATOMI, Eiji Tokyo 135-8074 (JP) TAZAKI, Hiroyuki Aikou Kanagawa 243-0303 (JP) WAKIZONO, Tetsuo Aikou Kanagawa 243-030 (JP) (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)