(19)

(11)

EP 2 864 459 A1

(12)

(43) Date of publication: 29.04.2015 Bulletin 2015/18 (21) Application number: 13729400.5 (22) Date of filing: 18.06.2013

(51) International Patent Classification (IPC):  C10M 169/04(2006.01) C10N 30/04(2006.01) C10N 20/04(2006.01) C10N 40/25(2006.01) (86) International application number: PCT/EP2013/062666 (87) International publication number: WO 2013/189951 (27.12.2013 Gazette 2013/52)

(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: 21.06.2012 EP 12172943 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR Den Haag (NL)	(72) Inventors: WILLARS, Malcom J Chester Cheshire CH2 4NU (GB) DIXON, Richard Thomas 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)