Patent · US Expired

Hydropyrolysis of carbonaceous material

US4468314A · kind A · utility

1Cited by
20References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 1982
Grant dateAug 28, 1984
Priority date
Expiry dateSep 1, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed is a process for converting solid carbonaceous material, such as coal and oil-shale, to a discriminate range of liquid and gaseous products, which process comprises treating the carbonaceous material with a hydrogen-containing gas at short gas and long solids residence times in two or more temperature zones.

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