Patent · US Expired

Additive for hydrocarbon oils

US5833721A · kind A · utility

5Cited by
14References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 1997
Grant dateNov 10, 1998
Priority date
Expiry dateFeb 14, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2229/054
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An antifoam additive for hydrocarbon oils and in particular fuel oils comprises the combination of an antifoam agent and an ashless dispersant.

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