Patent · US Expired

Fuel oil additives and compositions

US7067599B2 · kind B2 · utility

5Cited by
14References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1999
Grant dateJun 27, 2006
Priority date
Expiry dateMay 31, 2021

Classification

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

Abstract

A copolymer comprising units derivable from (A) one or more olefins of defined chain length; and (B) one or more ethylenically unsaturated compounds different from (A). The copolymers are useful as cold flow improvers in fuel oils.

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