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Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP2008505995
Kind Code:
A
Abstract:
A lubricating oil composition for internal combustion engines which has a sulphated ash content of not greater than 0.9 wt. % and a phosphorus content in the range of from 0.04 to 0.1 wt. % is provided. The composition contains base oil, one or more detergents selected from phenate detergents, salicylate detergents and sulphonate detergents, wherein said one or more detergents each, independently, have a TBN (total base number) value in the range of from 30 to 350 mg.KOH/g, as measured by ISO 3771; and at least 3.5 wt. % of one or more antioxidants selected from the group of aminic antioxidants and/or phenolic antioxidants, based on the total weight of the lubricating oil composition.

Inventors:
Peter Buse
Helmut Leonhard
Peter Santo
Marcolm Jay. Willards
Application Number:
JP2007519803A
Publication Date:
February 28, 2008
Filing Date:
July 07, 2005
Export Citation:
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Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C10M169/04; C10M101/02; C10M105/04; C10M105/36; C10M105/38; C10M107/02; C10M129/10; C10M129/54; C10M133/10; C10M133/12; C10M135/10; C10M159/22; C10M159/24; C10M163/00; C10M167/00; C10N20/00; C10N30/06; C10N40/25
Domestic Patent References:
JP2002053888A2002-02-19
JP2001158896A2001-06-12
JP2004035619A2004-02-05
JP2004083751A2004-03-18
JP2003277783A2003-10-02
Foreign References:
WO2004048503A12004-06-10
WO2003099972A12003-12-04
Attorney, Agent or Firm:
Kazuho Kawarada



 
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