Patent · US Expired

Fuel oil additive and compositions

US5423890A · kind A · utility

3Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 1992
Grant dateJun 13, 1995
Priority date
Expiry dateDec 9, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10L1/2437
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compositions comprising an ethylene-.alpha.-olefin copolymer, an ethylene-unsaturated ester copolymer, and a comb polymer improve the low temperature properties of fuel oils, especially high wax content oils.

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