US Patent 7867957 Lubricating oil composition
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Patent abstract
The lubricating oil composition of the invention comprises a lubricating base oil with a urea adduct value of no greater than 4% by mass and a viscosity index of 100 or higher, an ashless friction modifier at 0.01-10% by mass and a phosphorus-containing anti-wear agent at 0.01-0.2% by mass as phosphorus, based on the total amount of the composition.
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Patent Inventor Names
Kazuo Tagawa0
Shigeki Matsui0
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US Patent 07867957 Lubricating oil composition US Patent 7867957 Lubricating oil composition
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Patent Number
078679570
Patent Number
78679570
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Patent Jurisdiction
Patent Number
078679570
Date of Patent
January 11, 2011
0Patent Application Number
120783080
Date Filed
March 28, 2008
0Official Website
Patent Primary Examiner
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US Patent 07867957 Lubricating oil composition
Infobox
Is a
Patent jurisdiction
Patent number
07867957
Date of patent
January 11, 2011
Patent application number
12078308
Date Filed
March 28, 2008
Patent primary examiner
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