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Patent Searching and Data


Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/031578
Kind Code:
A1
Abstract:
As a lubricating oil composition for which excellent oxidation life and low sludging, which could not coexist with prior combinations of a sulfur antioxidant and a chain stopper, coexist, the present invention provides a lubricating oil composition containing a cyclic ester sulfide or other specified sulfur compound as Component (A) and a chain stopper as Component (B) in a lubricant base oil, the lubricating oil composition being characterized in that the Component (A) content is 10-400 ppm by mass for the amount of elemental sulfur with respect to the total lubricating oil composition and in containing essentially no sulfur-containing metal complexes.

Inventors:
YAGISHITA KAZUHIRO (JP)
YOSHIDA TOSHIO (JP)
Application Number:
PCT/JP2015/072843
Publication Date:
March 03, 2016
Filing Date:
August 12, 2015
Export Citation:
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Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M135/04; C10M135/22; C10M135/26; C10M135/34; C10M129/10; C10N30/04; C10N30/10
Foreign References:
JPS62500590A1987-03-12
US4191659A1980-03-04
EP0554011A21993-08-04
Other References:
DAVEY, W. ET AL., WEAR, vol. 1, 1957, pages 291 - 304
Attorney, Agent or Firm:
MORITA, NOBUYUKI (JP)
Yoriyuki Morita (JP)
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