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:
Jan. 23, 1979
Filed:
Dec. 20, 1974
Applicant:
Inventors:
Yoshio Kiritani, Sennangun, JP;
Michio Tsuyuguchi, Wakayama, JP;
Assignees:
Kureha Kagaku Kogyo Kabushiki Kaisha, BOTH OF, JP;
Sumikin Coke Co., Ltd., BOTH OF, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10B / ;
U.S. Cl.
CPC ...
201 25 ; 201 21 ; 208 22 ;
Abstract
Raw material coal for coke production having improved coking property is readily obtainable by a simple step of blending raw material coal having poor coking property with a highly aromatic bituminous substance obtained by heat-treating hydrocarbons.