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:
Sep. 13, 1983
Filed:
Feb. 10, 1982
Yoshio Matsuura, Funabashi, JP;
Michio Kurihara, Mitaka, JP;
Takao Kamei, Ashiya, JP;
Akira Nakamura, Akashi, JP;
Keiichi Komai, Akashi, JP;
Takeshi Wakabayashi, Kobe, JP;
Electric Power Development Co., Tokyo, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe, JP;
Abstract
Method of processing low rank coals which comprises steps of classifying crushed low rank coals into middle sized lumps and minute particles, subjecting the middle sized lumps to a non-evaporating dehydration treatment to produce low moisture content coals, separating ash content from the minute particles and then at least partly liquefying the minute particles to produce liquefied oil, and mixing the liquefied oil with the low moisture content coals to thereby produce low moisture coal-oil slurry. The method makes it possible to utilize even small sized particles of coal in a practical manner.