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. 17, 1992
Filed:
Feb. 22, 1990
Applicant:
Inventors:
Takamasa Kawakubo, Gunma, JP;
Etsuro Oota, Gunma, JP;
Assignee:
Mitsubishi Pencil Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
156 89 ; 156242 ; 264 296 ; 264136 ; 264137 ; 264257 ; 264258 ; 4234474 ; 4234477 ;
Abstract
A process for preparation of a carbon fiber composite reinforced carbonaceous material characterized in that using carbon fibers or the raw material fibers of the carbon fibers as the base material, the surfaces of said base material fibers even to the surface of the single fiber are uniformly and completely coated with dormant mesophase pitch and/or isotropic pitch, and after said base material has been molded, the resulting product is subjected to carbonization treatment or graphitization treatment.