Patent · US Expired

O-Alkylated/O-acylated coal liquids

US4363714A · kind A · utility

1Cited by
9References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1980
Grant dateDec 14, 1982
Priority date
Expiry dateDec 15, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/002
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Coal liquids are disclosed wherein the hydrogen of substantially all of the hydroxyl groups of the coal liquids have been replaced with C.sub.1 to C.sub.20 alkyl or acyl groups.

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