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(11)

EP 2 334 769 A1

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(43) Date of publication: 22.06.2011 Bulletin 2011/25 (21) Application number: 09777668.6 (22) Date of filing: 05.08.2009

(51) International Patent Classification (IPC):  C10M 123/04(2006.01) C10N 50/10(2006.01) C10N 40/04(2006.01) C10N 10/10(2006.01) C10N 40/02(2006.01) (86) International application number: PCT/EP2009/005665 (87) International publication number: WO 2010/017909 (18.02.2010 Gazette 2010/07)

(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 MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 15.08.2008 US 189063 P (71) Applicant: Aktiebolaget SKF 415 50 Göteborg (SE)	(72) Inventor: MEIJER, Dick NL-4001 DJ Tiel (NL) (74) Representative: Burö, Sven Peter  SKF B.V. Patent Department P.O. Box 2350 3430 DT Nieuwegein 3430 DT Nieuwegein (NL)