Lubricating oil compositions

Lubricating oil compositions

  • CN 1,958,758 B
  • Filed: 11/03/2006
  • Issued: 07/04/2012
  • Est. Priority Date: 11/04/2005
  • Status: Active Grant
First Claim
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1. lubricating oil composition;

  • It comprises II group or the base oil of more high-grade lubricant viscosity and the polymer compsn of minor amount of main amount;

    Said polymer compsn comprises at least the first polymkeric substance, and it is the ethylene that comprises the units derived from ethylene that is not more than 66 quality %;

    With second polymkeric substance that comprises linear diblock copolymer, the block that this linear diblock copolymer comprises at least one main derived from ethylene base aromatic monomer with at least one mainly derived from the block of diene monomers.

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