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:
Jun. 04, 1991
Filed:
Sep. 18, 1990
Applicant:
Inventors:
Andrea Leone-Bay, Ridgefield, CT (US);
Steven L Peake, Ridgefield, CT (US);
Stanley S Kaminski, Stamford, CT (US);
Assignee:
American Cyanamid, , ME (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528183 ; 525436 ; 528353 ;
Abstract
Polyimides are made by imidization of the product of reaction of dianhydrides with diaminobenzotrifluoride and bis(trifluoromethyl) oxydianilines. In preferred embodiments the polyimides are end capped with monoanhydride or monoamine residues.