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:
Mar. 23, 1999
Filed:
May. 30, 1997
Applicant:
Inventors:
Shin Chuan Yao, Taipei Hsien, TW;
Jongfu Wu, Taipei Hsien, TW;
Kun-Lin Cheng, Taipei Hsien, TW;
Wen-Tung Chen, Taipei Hsien, TW;
Assignee:
China Textile Institute, Taipei Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C07C / ;
U.S. Cl.
CPC ...
528185 ; 528125 ; 528128 ; 528170 ; 528171 ; 528172 ; 528173 ; 528174 ; 528176 ; 528179 ; 528183 ; 528188 ; 528220 ; 528229 ; 528310 ; 528322 ; 528332 ; 528335 ; 528336 ; 528350 ; 528353 ; 564428 ;
Abstract
A method for synthesizing 1,4-bis(4-aminophenoxy)naphthalene and a series of polyamides, polyimides and copoly(amide-imide)s derived from the said compound is disclosed. These polymers possess excellent thermal stability and mechanical strength.