Patents by Inventor Alan MacDiarmid

Alan MacDiarmid has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High molecular weight polyanilines and synthetic methods therefor
    Patent number: 5276112
    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.
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: January 4, 1994
    Assignee: Trustees of the University of Pennsylvania
    Inventors: Alan MacDiarmid, Sanjeev K. Manohar