Patent · US Active

Lubricating oil compositions containing epoxide antiwear agents

US8859474B2 · kind B2 · utility

1Cited by
16References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 18, 2013
Grant dateOct 14, 2014
Priority date
Expiry dateJun 18, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2030/12
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) an oil soluble epoxide compound having the following structure:wherein X is hydrogen or a substituted or unsubstituted C1 to C20 hydrocarbyl group, wherein the substituted hydrocarbyl group is substituted with one or more substituents selected from hydroxyl, alkoxy, ester or amino groups and Y is —CH2OR, —C(═O)OR1 or —C(═O)NHR2, wherein R, R1 and R2 are independently hydrogen or C1 to C20 alkyl or alkenyl groups; —and further wherein the oil of lubricating viscosity does not contain a carboxylic acid ester.

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