(19)

(11)

EP 2 176 388 A2

(12)

(88) Date of publication A3: 30.04.2009 (43) Date of publication: 21.04.2010 Bulletin 2010/16 (21) Application number: 08787150.5 (22) Date of filing: 12.08.2008

(51) International Patent Classification (IPC):  C10M 111/04(2006.01) C10G 2/00(2006.01) C10G 65/04(2006.01) C10N 30/02(2006.01) C10M 177/00(2006.01) C10G 45/58(2006.01) C10N 20/02(2006.01) C10N 70/00(2006.01) (86) International application number: PCT/EP2008/060599 (87) International publication number: WO 2009/021958 (19.02.2009 Gazette 2009/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 13.08.2007 EP 07114257 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR The Hague (NL)	(72) Inventors: GERMAINE, Gilbert, Robert, Bernard F-76650 Petit Couronne (FR) WEDLOCK, David, John Chester, Cheshire CH2 4NU (GB)