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:
Nov. 01, 1988
Filed:
Aug. 12, 1987
Applicant:
Inventors:
Makoto Saito, Iruma, JP;
Hiroshi Toki, Namekawa, JP;
Makoto Miyazaki, Sakado, JP;
Hiroshi Inoue, Miyoshi, JP;
Assignee:
Toa Nenryo Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
4273855 ; 428 74 ; 428357 ; 428368 ; 528 75 ; 5253297 ; 525455 ; 560 25 ; 560115 ; 560132 ; 560158 ;
Abstract
A sizing agent for a carbon fiber comprized mainly of an unsaturated urethane compound produced by a reaction of an unsaturated alcohol with an isocyanate which is able to couple the carbon fiber with an unsaturated polyester resin or vinylester resin is disclosed. The preferably unsaturated alcohols are allylalcohols and reaction products of an unsaturated carboxylic acids with an alkyleneoxides.