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:
Dec. 06, 1977
Filed:
Jul. 25, 1975
Applicant:
Inventors:
Hiromi Ozaki, Urawa, JA;
Mamoru Yamane, Kiyose, JA;
Hachio Kodama, Toda, JA;
Haruo Yoshika, Hoya, JA;
Assignee:
Nippon Mining Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C10L / ; C10C / ; C10C / ;
U.S. Cl.
CPC ...
44 / ; 208 40 ;
Abstract
A raw synthetic caking coal having a volatile matter content of 20 - 70%, H/C (atomic ratio) of 0.60 - 1.20 and a maximum fluidity of greater than 40 ddpm is produced by coking heavy hydrocarbons. Synthetic caking coal having a volatile matter content of 20 - 40%, H/C (atomic ratio) of 0.60 - 0.75, a maximum fluidity of greater than 40 ddpm and a Free-Swelling-Index of greater than 3 is produced from the raw synthetic caking coal by stripping said raw synthetic caking coal with steam or light hydrocarbons.