Title:
LUBRICANT OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2014/136643
Kind Code:
A1
Abstract:
A lubricant oil composition according to the present invention is characterized by being prepared by adding (A) a polymethacrylate having a mass average molecular weight of 30,000 to 600,000 inclusive and (B) an olefin copolymer having a 95% loss temperature of 500˚C or lower as measured by a differential thermal analysis and a shear stability index (SSI) of 40 or less to a lubricant oil base oil.
Inventors:
KASAI MORITSUGU (JP)
KAMANO HIDEKI (JP)
KAMANO HIDEKI (JP)
Application Number:
PCT/JP2014/054815
Publication Date:
September 12, 2014
Filing Date:
February 27, 2014
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M157/00; C10M161/00; C10M133/16; C10M133/56; C10M143/00; C10M145/14; C10N20/00; C10N20/02; C10N20/04; C10N30/00; C10N30/04; C10N40/25
Foreign References:
| JPS55112298A | 1980-08-29 | |||
| JP2000087070A | 2000-03-28 | |||
| JP2011195734A | 2011-10-06 | |||
| JP2008248139A | 2008-10-16 | |||
| JPS63210198A | 1988-08-31 | |||
| JP2002003874A | 2002-01-09 | |||
| JP2008184569A | 2008-08-14 | |||
| JP2010280817A | 2010-12-16 | |||
| JP2008248139A | 2008-10-16 | |||
| JP2010043250A | 2010-02-25 |
Other References:
See also references of EP 2966154A4
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
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