(19)

(11)

EP 2 633 012 A2

(12)

(88) Date of publication A3: 19.07.2012 (43) Date of publication: 04.09.2013 Bulletin 2013/36 (21) Application number: 11836848.9 (22) Date of filing: 13.10.2011

(51) International Patent Classification (IPC):  C10M 169/06(2006.01) C10M 155/02(2006.01) C10N 40/25(2006.01) C10M 157/10(2006.01) C10M 145/14(2006.01) (86) International application number: PCT/US2011/056179 (87) International publication number: WO 2012/058012 (03.05.2012 Gazette 2012/18)

(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: 29.10.2010 US 916195 (71) Applicant: Chevron Oronite Company LLC San Ramon, CA 94583 (US)	(72) Inventors: MORCOS, Michelle San Ramon CA 94583 (US) TOMAN, Jeffrey, J. San Ramon CA 94583 (US) PARSINEJAD, Farzan San Ramon CA 94583 (US) (74) Representative: Nash, David Allan  Haseltine Lake LLP Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)