Patent · US Expired

Liquefaction process

US5338441A · kind A · utility

46Cited by
10References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1992
Grant dateAug 16, 1994
Priority date
Expiry dateOct 13, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a catalytic process for converting a solid carbonaceous material, such as coal, to a liquid product in the presence of hydrogen. More particularly, this invention relates to a coal liquefaction process wherein a mixture of coal, bottoms, solvent and a sulfiding agent is subjected to liquefaction conditions in the presence of a catalyst precursor. This catalyst or catalyst precursor is comprised of a thermally decomposable compound of Groups IIB, IVB, VB, VIB, VIIB, and VIII of the Periodic Table of the Elements such as molybdenum.

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