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Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
Japanese Patent JP2010037500
Kind Code:
A
Abstract:

To provide a lubricating oil composition achieving both of extreme pressure properties and heat resistance in various lubricating applications to an internal combustion engine, a torque transmission device, a bearing, a shock absorber, a gear and the like.

The lubricating oil composition comprises a lubricating oil base oil and at least one among an aryl acid phosphoric ester and its amine salt in an amount of 0.005-0.2 mass% in phosphorus terms based on the composition total amount.


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Inventors:
OSAWA TATSUZO
KAMIMURA HIDETO
SHINODA JITSUO
IIZUKA SHINYA
Application Number:
JP2008204859A
Publication Date:
February 18, 2010
Filing Date:
August 07, 2008
Export Citation:
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Assignee:
IDEMITSU KOSAN CO
International Classes:
C10M169/04; C10M101/02; C10M105/04; C10M107/02; C10M137/04; C10M137/08; C10N30/06; C10N30/08; C10N40/02; C10N40/06; C10N40/08; C10N40/20; C10N40/25; C10N40/30
Domestic Patent References:
JP2002194376A2002-07-10
JPH05140556A1993-06-08
JPS6069198A1985-04-19
JPS60130693A1985-07-12
JP2004035624A2004-02-05
JP2005068370A2005-03-17
JPH0925492A1997-01-28
Attorney, Agent or Firm:
Intellectual Property Office



 
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