Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/203332
Kind Code:
A1
Abstract:
Provided is a lubricating oil composition capable of maintaining low friction in long-term operation from the early stage of operation of an internal combustion engine. The present invention provides a lubricating oil composition characterized by containing (A) a lubricating base oil, (B) a copolymer having (B1) a unit derived from an alkyl (meth)acrylate having a C1-30 alkyl chain, (B2) a unit derived from a hydroxyalkyl (meth)acrylate having a C1-30 hydroxyl group-containing alkyl chain, and (B3) a unit derived from a C8-120 aromatic vinyl compound, (C) a friction modifier having molybdenum, and (D) a metal detergent.
Inventors:
WATANABE HONAMI (JP)
ONODERA KO (JP)
SATO TAKEHISA (JP)
YAMAMORI KAZUO (JP)
KANEKO TOYOHARU (JP)
KUBONO KAZUSHIGE (JP)
YAMAMOTO KENJI (JP)
IGARASHI SHUHEI (JP)
HANAMURA RYO (JP)
ONODERA KO (JP)
SATO TAKEHISA (JP)
YAMAMORI KAZUO (JP)
KANEKO TOYOHARU (JP)
KUBONO KAZUSHIGE (JP)
YAMAMOTO KENJI (JP)
IGARASHI SHUHEI (JP)
HANAMURA RYO (JP)
Application Number:
PCT/JP2019/016719
Publication Date:
October 24, 2019
Filing Date:
April 18, 2019
Export Citation:
Assignee:
EXXONMOBIL RES & ENG CO (US)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
C10M169/04; C10M129/10; C10M129/54; C10M135/10; C10M135/18; C10M137/10; C10M143/10; C10M145/14; C10M159/18; C10N10/02; C10N10/04; C10N20/02; C10N20/04; C10N40/04; C10N40/25
Foreign References:
JP2012041407A | 2012-03-01 | |||
US5851967A | 1998-12-22 | |||
US6071862A | 2000-06-06 | |||
JP2016515658A | 2016-05-30 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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