The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 1979
Filed:
Sep. 20, 1977
Yukio Nakako, Nishinomiya, JP;
Shizuo Yokota, Nishinomiya, JP;
Kobe Steel, Ltd., Kobe, JP;
Abstract
A process for manufacturing metallurgical carbonaceous materials from coals, particularly coals of a low rank of coalification, in which coal fines and a hydrocarbon base solvent having a boiling point of 150.degree. to 500.degree. C. are mixed together into a slurry form, then the slurry is subjected to a first heat treatment wherein the slurry is treated in the presence of a mixture gas including carbon monoxide and steam under a pressure of 50 to 300 atms. and temperature of 300.degree. to 600.degree. C., and then the reaction product thus derived is subjected to a second heat treatment wherein the reaction product is treated in the presence of a hydrogen gas at a low partial pressure, at a pressure 10 mmHg to 250 atms, and temperature of 400.degree. to 600.degree. C.