Patents by Inventor Karen Mulford

Karen Mulford 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).

  • Compositions produced by solvent exchange methods and uses thereof
    Patent number: 6692663
    Abstract: Disclosed are compositions formed by a method for exchanging the water in an optionally substituted polythiophene dispersion with a specific mixture of organic solvents. The resulting compositions exhibit improved electrical conductivity, optical transparency, environmental stability, excellent adhesion to a variety of substrates and processing characteristics. Also disclosed are methods for making and using such compositions.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: February 17, 2004
    Assignee: Elecon, Inc.
    Inventors: Qingye Zhou, Jae Ryu, Dieter Freitag, Karen Mulford