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:
Jun. 23, 1992
Filed:
Dec. 08, 1989
Applicant:
Inventors:
Fujio Nakao, Otake, JP;
Naoki Sugiura, Otake, JP;
Assignee:
Mitsubishi Rayon Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25F / ;
U.S. Cl.
CPC ...
204130 ; 204131 ; 204132 ;
Abstract
A process is disclosed for producing carbon fibers with modified surfaces by electrolytic treatment. In the process, electric current is passed between carbon fibers and a counter electrode in an electrolytic solution to which an aromatic compound having at least one hydroxyl group and/or amino group is added.