Patent · US Expired

Alkylene oxide adducts of phosphosulfurized N-(hydroxyalkyl) alkenylsuccinimides

US4028258A · kind A · utility

29Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1975
Grant dateJun 7, 1977
Priority date
Expiry dateDec 3, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2070/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An alkylene oxide adduct of phosphosulfurized N-(hydroxyalkyl) alkenylsuccinimide characterized by the formula: ##STR1## where R.sup.1 is alkenyl of from 10 to 30 carbons and X and Y are divalent saturated aliphatic hydrocarbon radicals of from 2 to 6 carbons. In addition, automatic transmission fluid compositions and concentrates thereof comprising a major amount of a lubricating oil and a friction modifying amount of the alkylene oxide adduct and method of operating an automatic transmission having friction sensitive power transmitting means employing the aforedescribed automatic transmission fluid composition.

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