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LUBRICATING OIL COMPOSITION

  • US 20150119305A1
  • Filed: 06/04/2013
  • Published: 04/30/2015
  • Est. Priority Date: 06/04/2012
  • Status: Abandoned Application
First Claim
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1. A lubricating oil composition comprising:

  • (A) 50 to 90% by mass of a base oil selected from the group consisting of a Group II base oil, a Group III base oil, a Group IV base oil, and any combination thereof;

    (B) 10 to 50% by mass of a copolymer of an olefin having from 2 to 20 carbons and an alkyl methacrylate having alkyl groups with from 1 to 20 carbons, wherein the copolymer has a molecular weight of from 1,200 to 50,000; and

    (C) 5 to 15% by mass of a carboxylic acid ester compound.

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