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:
Oct. 21, 1980
Filed:
Aug. 24, 1979
Applicant:
Inventors:
Robert C Evers, Dayton, OH (US);
Fred E Arnold, Centerville, OH (US);
Thaddeus E Helminiak, Dayton, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528185 ; 528172 ; 528179 ; 528207 ; 528208 ; 528210 ; 528211 ;
Abstract
Para-ordered aromatic heterocyclic polymers characterized by having p-benzbisoxazole, p-benzbisthiozole or p-benzbisimidazole units and containing diphenoxybenzene structures. The diphenoxybenzene structures function as 'swivels' in the polymer chains, imparting flexibility thereto and making it possible to cast strong films from solutions of the polymers.