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Title:
LUBRICATING OIL COMPOSITION, LUBRICATION METHOD, AND GEAR
Document Type and Number:
WIPO Patent Application WO/2018/110119
Kind Code:
A1
Abstract:
Provided are: a lubricating oil composition having exceptional seizure resistance and wear resistance, the composition including at least a mineral-oil-including base oil, sulfur, and a phosphorus-containing antiwear agent, and the mass ratio (S/P) of sulfur atoms and phosphorus atoms contained in the composition being 7.5-16; and a lubrication method and a gear in which the composition is used.

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Inventors:
NAKAHARA YASUHITO (JP)
YOKOMIZO MASATO (JP)
KAMANO HIDEKI (JP)
Application Number:
PCT/JP2017/038880
Publication Date:
June 21, 2018
Filing Date:
October 27, 2017
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C10M101/02; C10M135/20; C10M137/04; C10M137/08; C10M137/10; C10M141/08; C10M141/10; C10N20/00; C10N20/02; C10N30/00; C10N30/06; C10N40/04; C10N40/25
Domestic Patent References:
WO2010110442A12010-09-30
WO1999018112A11999-04-15
Foreign References:
JP2011006635A2011-01-13
JP2002265971A2002-09-18
JP2008208212A2008-09-11
Other References:
See also references of EP 3556831A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
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