(19)

(11)

EP 2 834 331 A2

(12)

(88) Date of publication A3: 30.05.2014 (43) Date of publication: 11.02.2015 Bulletin 2015/07 (21) Application number: 13714295.6 (22) Date of filing: 04.04.2013

(51) International Patent Classification (IPC):  C10M 111/04(2006.01) C10G 21/16(2006.01) C10N 20/00(2006.01) C10M 171/02(2006.01) C10G 67/04(2006.01) C10N 30/00(2006.01) (86) International application number: PCT/EP2013/057137 (87) International publication number: WO 2013/150114 (10.10.2013 Gazette 2013/41)

(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 Designated Extension States: BA ME (30) Priority: 04.04.2012 EP 12163183 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR Den Haag (NL)	(72) Inventor: WEDLOCK, David John Chester Cheshire CH2 4NU (GB) (74) Representative: Matthezing, Robert Maarten et al Shell International B.V. Intellectual Property Services P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)