Patent · US Expired

Lubricant additive

US4119552A · kind A · utility

16Cited by
3References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1977
Grant dateOct 10, 1978
Priority date
Expiry dateFeb 22, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2010/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The reaction of a boron compound (e.g., boric acid) with an alkylphenoxy alkanoic acid amide (polyisobutylphenoxyacetamide of tetraethylenepentamine) forms a boronated product useful as a lubricating oil dispersant having improved properties.

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