Patent · US Expired

Process for producing a liquefied coal oil and a catalyst for the process

US5130013A · kind A · utility

1Cited by
10References
5Claims
0Family size

Assignees

Inventors

Key dates

Filing dateOct 9, 1990
Grant dateJul 14, 1992
Priority date
Expiry dateOct 9, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/086
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for producing a liquefied coal oil by a two step hydrogenation reaction of coal, which comprises subjecting coal to a first hydrogenation and subjecting at least a part of the reaction product of the first hydrogenation to a second hydrogenation, wherein the second hydrogenation is conducted in the presence of an alkali metal compound and/or an alkaline earth metal compound and a catalyst carrying a metal of Group VI-A and a metal of Group VIII of the Periodic Table.

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