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. 23, 1994
Filed:
Dec. 29, 1992
Applicant:
Inventors:
Chin-Ping Yang, Taipei, TW;
Wen-Tung Chen, Taipei, TW;
Assignee:
National Science Council, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C07C / ;
U.S. Cl.
CPC ...
528185 ; 528170 ; 528171 ; 528172 ; 528173 ; 528174 ; 528176 ; 528188 ; 528220 ; 528229 ; 528350 ; 528353 ; 564428 ;
Abstract
A compound or polymer having a bis(phenoxy)naphthalene structure, a high molecular weight, and very good mechanical performance and heat-resistivity is provided. The polymer can be polyamides, polyimides or poly(amide-imide)s and can have a basic structure of ##STR1## wherein R1 is a naphthalene ring.