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:
Apr. 15, 1986
Filed:
May. 22, 1984
Applicant:
Inventors:
Shinichiro Koga, Nougata, JP;
Taizo Okajima, Kitakyushu, JP;
Shigeya Yamaguchi, Okagaki, JP;
Eisaku Kakikura, Kitakyushu, JP;
Assignee:
Mitsubishi Chemical Industries Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
D01F / ;
U.S. Cl.
CPC ...
264 292 ; 264 296 ; 264 297 ; 264130 ; 264131 ; 264136 ; 4234474 ; 4234476 ;
Abstract
A process for producing a carbon fiber from pitch material, which comprises melt spinning pitch material through spinning nozzles to form precursory pitch fibers and oiling the precursory pitch fibers, followed by infusible treatment and carbonization and optionally by graphitization, characterized in that an oiling agent composed essentially of a silicone oil is applied to the precursory pitch fibers prior to or during the oiling operation.