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. 04, 1994
Filed:
Nov. 07, 1991
Applicant:
Inventors:
Alan MacDiarmid, Drexel Hill, PA (US);
Sanjeev K Manohar, Philadelphia, PA (US);
Assignee:
Trustees of the University of Pennsylvania, Philadelphia, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525540 ; 528422 ; 252500 ;
Abstract
High molecular weight polyanilines are provided, along with synthetic methods therefor. The methods generally comprise mixing aniline, protonic acid, salt, and a polymerization agent at a temperature of from about -10.degree. C. to about -70.degree. C. Upon analysis by gel permeation chromatography, using polystyrene standards, the polyanilines of the invention provide a single peak, weight average molecular weight greater than about 200,000.