Patent · US Expired

Power transmission shift fluids containing two-component friction modifier additive

US4589993A · kind A · utility

5Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1984
Grant dateMay 20, 1986
Priority date
Expiry dateNov 16, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/08
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

There are disclosed functional fluid compositions containing a two component friction modifier additive composed of a thio-bis-alkanol succinate ester and a phosphate diester such as dioleyl phosphite. The compositions are especially useful as tractor fluids.

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