(19)
(11) EP 3 058 052 A1

(12)

(43) Date of publication:
24.08.2016 Bulletin 2016/34

(21) Application number: 14854335.8

(22) Date of filing: 11.08.2014
(51) International Patent Classification (IPC): 
C10M 133/02(2006.01)
(86) International application number:
PCT/US2014/050519
(87) International publication number:
WO 2015/057293 (23.04.2015 Gazette 2015/16)
(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: 18.10.2013 US 201314057767

(71) Applicant: Chevron Oronite Company LLC
San Ramon, CA 94583 (US)

(72) Inventors:
  • LI, Yue-Rong
    San Ramon, California 94583 (US)
  • BHALLA, Gaurav
    San Ramon, California 94583 (US)
  • TSANG, Man Hon
    San Ramon, California 94583 (US)

(74) Representative: Nash, David Allan 
Haseltine Lake LLP Redcliff Quay 120 Redcliff Street
Bristol BS1 6HU
Bristol BS1 6HU (GB)

   


(54) LUBRICATING OIL COMPOSITION FOR PROTECTION OF SILVER BEARINGS IN MEDIUM SPEED DIESEL ENGINES