Patent · US Expired

Residue of hydrogenation product of branched aliphatic dinitriles as lubricant additive

US4162223A · kind A · utility

3Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1978
Grant dateJul 24, 1979
Priority date
Expiry dateMar 21, 1998

Classification

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

Abstract

The heavy reaction product obtained upon separation, as by distillation, of light reaction products of branched aliphatic dinitriles is useful as rust inhibitor in lubricating oils and greases.

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