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:
Jul. 20, 1993
Filed:
May. 20, 1991
Applicant:
Inventors:
Shigeki Tomono, Kodaira, JP;
Yoshihiro Sakamoto, Yokohama, JP;
Yasushi Omata, Zama, JP;
Manabu Fujiya, Yokohama, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428288 ; 4234471 ; 428367 ; 428378 ; 428408 ; 528288 ; 528297 ; 528335 ;
Abstract
A carbon fiber having its surface coated with a copolymer composed of a diamine compound, a dicarboxylic acid compound and a glycidyl polyalkylene oxide derivative of the following formula (I), wherein the copolymer contains said polyalkylene oxide derivative in an amount of from 10 to 50% by weight as in the monomer composition: ##STR1## wherein R.sup.1 is H or an alkyl group having not more than 20 carbon atoms, R.sup.2 is H or CH.sub.3, and n is an integer of from 1 to 40.