Patent · US Expired

Lubricant additives, their preparation and compositions containing them

US3966807A · kind A · utility

15Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 18, 1974
Grant dateJun 29, 1976
Priority date
Expiry dateApr 18, 1994

Classification

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

Abstract

Novel compounds which are amides of bis(phenol substituted)carboxylic acids, or derivatives thereof are described by specified general formula and as reaction products of at least one bis(phenol substituted)carboxylic acid, or derivative thereof, having at least one alkyl substituent of at least 30 carbon atoms on a phenol substituent, and at least one aliphatic, cycloaliphatic or heterocyclic primary or secondary di- or polyamine or a hydroxy alkyl amine. Also described are lubricating compositions containing the novel compounds of the invention.

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