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Title:
LUBRICANT OIL COMPOSITION AND LUBRICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/163977
Kind Code:
A1
Abstract:
Provided is a lubricant oil composition which has excellent fuel economy characteristics, seize resistance, wear resistance, fatigue life, and shear stability, which includes (A) a base oil, (B) an olefin polymer having a number average molecular weight of 1,000 to 12,000, and (C) a specific sulfur compound, and in which the content of the total sulfur atoms based on the total amount of the composition is 1.2 to 2.5 mass%. Also provided is a lubrication method that uses the lubricant oil composition.

Inventors:
SUNAGAWA, Yoji (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 〒2990107, JP)
Application Number:
JP2017/009962
Publication Date:
September 28, 2017
Filing Date:
March 13, 2017
Export Citation:
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Assignee:
IDEMITSU KOSAN CO.,LTD. (1-1 Marunouchi 3-chome, Chiyoda-ku Tokyo, 21, 〒1008321, JP)
International Classes:
C10M161/00; C10M135/20; C10M135/36; C10M137/04; C10M143/00; C10N20/02; C10N20/04; C10N30/02; C10N30/06; C10N40/04; C10N40/25
Foreign References:
JPH09194865A1997-07-29
JPH08508531A1996-09-10
JP2011006635A2011-01-13
JP2004217797A2004-08-05
JP2012046683A2012-03-08
JP2008274276A2008-11-13
JP2010195894A2010-09-09
JP2011046903A2011-03-10
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (OHTANI PATENT OFFICE, Toranomon ES Bldg. 7F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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