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:
Jan. 16, 1990
Filed:
May. 19, 1988
Applicant:
Inventors:
Tetsuya Asahi, Mie, JP;
Yozo Kondo, Mie, JP;
Assignee:
Tosoh Corporation, Yamaguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528388 ; 525537 ;
Abstract
A highly heat resistant polymer, polycyanoaryl thioether, of formula: ##STR1## where n is a number of not less than 3 is disclosed. A process for preparing the novel polymer is also disclosed.
Asahi, Tetsuya. (1990). Polycyanoaryl thioether and preparation thereof (U.S. Patent No. 4894434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4894434
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