Title:
【発明の名称】油溶性水素化ブロック三元重合体粘度指数向上剤を含有する潤滑油組成物
Document Type and Number:
Japanese Patent JPS6050840
Kind Code:
B2
Abstract:
A hydrogenated copolymer produced by copolymerization of from about 1 to about 10 mol percent butadiene and at least one other C5 to C12 conjugated diene, and, if desired, in order to provide a block copolymer, up to 45 mole percent of a vinyl aromatic monomer, upon addition to lubricating oils containing a pour point depressing amount of an oil-soluble polymeric pour depressant, provides viscosity modification, oxidative and shear stability with excellent low temperature viscometric properties.
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Inventors:
ROBAATO ERU ERIOTSUTO
Application Number:
JP4364177A
Publication Date:
November 11, 1985
Filing Date:
April 18, 1977
Export Citation:
Assignee:
EXXON RESEARCH ENGINEERING CO
International Classes:
C10M143/14; C10M157/00; C10M161/00; C10N20/04; C10N30/02; C10N40/25; C10N60/02; (IPC1-7): C10M161/00
Attorney, Agent or Firm:
Motohiro Kurauchi