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Patent Searching and Data


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)
Application Number:
PCT/JP2019/016719
Publication Date:
October 24, 2019
Filing Date:
April 18, 2019
Export Citation:
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Assignee:
EXXONMOBIL RES & ENG CO (US)
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:
JP2012041407A2012-03-01
US5851967A1998-12-22
US6071862A2000-06-06
JP2016515658A2016-05-30
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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