Patent · US Active

Pyrrolidine-2,5-dione derivatives for use in friction modification

US8624038B2 · kind B2 · utility

0Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 2008
Grant dateJan 7, 2014
Priority date
Expiry dateJul 3, 2030

Classification

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

Abstract

The present disclosure relates to a compound of the formula I or a tribologically acceptable salt, solvate, hydrate, or proadditive thereof, wherein R1, R2 and R4 are as defined herein. Such novel pyrrolidine, or succinimide, derivatives may be useful as friction modifiers in lubricant compositions. This disclosure also relates to a method of using such friction modifier compounds in lubricating fluid formulations to lubricate machine parts, including gear, axle, engine, and transmission parts, and to lubricant compositions containing such friction modifier compounds.

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