Patents by Inventor Wudl: Fred

Wudl: Fred 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).

  • Conducting substituted polyisothianaphthenes
    Patent number: 4795242
    Abstract: Polyisothianaphthene substituted in the 5 and/or 6 positions so as to have an oxygen atom adjacent to C.sub.5 or C.sub.6. Substituents include alkoxys, hydroxys and dioxyalkylenes. The polymers are conducting and useful in electrochromic displays and as electrode materials.
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: January 3, 1989
    Assignee: University of California
    Inventors: Wudl: Fred, Alan Heeger, Yoshiaki Ikenoue, Masao Kobayashi