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:
Aug. 08, 1989
Filed:
Jan. 03, 1989
Applicant:
Inventors:
Assignees:
Nitto Boseki Co., Ltd., both of, JP;
Kawasaki Steel Corporation, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F / ; C10L / ;
U.S. Cl.
CPC ...
4234471 ; 4234472 ; 4234474 ; 423450 ; 264 292 ; 264 297 ;
Abstract
Disclosed is a method for producing carbon fiber chopped strands excellent in bundling of fibers, high in bulk density, uniform in fiber length and superior in molding operability which includes application of an inorganic and/or organic binder in an amount of 0.1-3% by weight in terms of solid to carbon fiber or graphite fiber strands or chopped strands made from a petroleum or coal pitch.