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:
Dec. 22, 1992
Filed:
Jul. 24, 1990
Applicant:
Inventor:
Rakesh K Gupta, Beavercreek, OH (US);
Assignee:
Daychem Laboratories, Inc., Fairborn, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08C / ; C08J / ;
U.S. Cl.
CPC ...
528183 ; 528125 ; 528126 ; 528128 ; 528170 ; 528172 ; 528173 ; 528179 ; 528184 ; 528185 ; 528188 ; 528191 ; 528220 ; 528222 ; 528229 ; 528351 ; 528353 ;
Abstract
The present invention relates to a novel class of aromatic diamine monomers, benzoxazole polymers made from said class of monomers, and polymer-matrix composites which may be produced therefrom. The present invention also relates to methods of producing said polymers and said polymer-matrix composites. The polymer-matrix composites have as one advantage high strength and temperature resistance.
Gupta, Rakesh. (1992). Heat resistant polyimide-benzoxazole polymers and composites thereof (U.S. Patent No. 5173561). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5173561
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile