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:
May. 04, 1993
Filed:
May. 25, 1990
Applicant:
Inventors:
Arthur J Epstein, Bexley, OH (US);
Jiang Yue, Columbus, OH (US);
Assignee:
Ohio State University Research Foundation, Columbus, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
525540 ; 525534 ; 525535 ; 528210 ; 528214 ; 528373 ; 528391 ; 528422 ; 528480 ;
Abstract
Sulfonic acid-substituted polyaniline compositions, ammonium salts thereof, and uses therefor are disclosed. The ammonium salts of the sulfonic acid-substituted polyaniline compositions are used as interim materials in the processing of conducting sulfonated polyaniline compositions. The ammonium salts of the sulfonic acid-substituted polyaniline compositions are also used to either reversible or irreversible NH.sub.3 filters, sensors, temperature indicators and the like.