Patent · US Expired

Bis imidazole ethers as metal deactivators

US4869838A · kind A · utility

4Cited by
11References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 1988
Grant dateSep 26, 1989
Priority date
Expiry dateAug 25, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M133/46
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Bis imidazole ethers have been found to be effective metal deactivators. Thus, one aspect of the present invention comprises novel bis imidazole ethers of the formula: ##STR1## in which R is a normal alkyl group having from 1 to 12 carbon atoms and R' is a normal alkyl group having from 1 to carbon atoms, an alkylaryl group having from 7 to 20 carbon atoms, or an aryl group of 6 to 10 carbon atoms. In another aspect of the present invention, an improved lubricating oil is provided comprising a base lubricating oil and the bis imidazole ethers of this invention.

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