Patent · US Active

Transmission oil composition for automobile

US8901052B2 · kind B2 · utility

12Cited by
10References
9Claims
0Family size

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Inventors

Key dates

Filing dateDec 29, 2010
Grant dateDec 2, 2014
Priority date
Expiry dateDec 29, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2060/14
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A transmission oil composition for an automobile characterized in that it contains a base oil selected from the group consisting of a mineral oil, a synthetic oil and mixtures thereof; and a phosphate compound selected from the group consisting of (A) a zinc dithiophosphate having a hydrocarbon group, (B) a triaryl phosphate (C) a triaryl thiophosphate, and mixtures thereof at 0.1 to 15.0% by mass with respect to the total composition; wherein the composition has a volume resistivity of 1×107 ohm·m or more at 80° C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.