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Title:
LUBRICATING OIL COMPOSITION FOR GAS ENGINES
Document Type and Number:
WIPO Patent Application WO/2015/151769
Kind Code:
A1
Abstract:
　This lubricating oil composition for gas engines contains (A) a base oil, (B1) overbased calcium salicylate, (B2) overbased sodium sulfonate, (C1) an amine-based antioxidant, and (C2) a phenol-based antioxidant, the total contained amount of the (C1) amine-based antioxidant and (C2) phenol-based antioxidant being 4 mass% or higher based on the total amount of the composition.

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Inventors:
YAMASAKI HIROTAKA (JP)
Application Number:
PCT/JP2015/057579
Publication Date:
October 08, 2015
Filing Date:
March 13, 2015
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M163/00; C10M167/00; C10M129/10; C10M133/12; C10M133/40; C10M145/14; C10M159/22; C10M159/24; C10N10/02; C10N10/04; C10N10/12; C10N30/00; C10N40/25
Foreign References:
JPH10219266A1998-08-18
JPH05508181A1993-11-18
JPH0971795A1997-03-18
JP2004107556A2004-04-08
JPH07126681A1995-05-16
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)
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