Patent · US Expired

Upgrading of solid fuels

US4047898A · kind A · utility

11Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 1976
Grant dateSep 13, 1977
Priority date—
Expiry dateOct 28, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10L5/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Low rank fuels are beneficiated by treatment with water at elevated temperature under superatmospheric pressure in the presence of hydrogen.

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