Patents by Inventor Ahmed El Kassmi

Ahmed El Kassmi 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).

  • Polymers derived from fluorinated thiophenes, and conductive polymers derived therefrom
    Patent number: 5405937
    Abstract: The invention relates to thiophenes substituted by an alkoxy group containing at least one fluorine atom.The invention also relates to the polymers derived from these substituted thiophenes and to the electrically conductive polymers containing these polymers.The invention also relates to processes for obtaining these thiophenes, these polymers and these electrically conductive polymers.The invention also relates to the uses of these thiophenes, of these polymers and of these electrically conductive polymers as well as to the devices containing the polymers and the electrically conductive polymers.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: April 11, 1995
    Assignee: Solvay (Societe Anonyme)
    Inventors: Marc Lemaire, Werner Burchner, Ahmed El Kassmi, Etienne Hannecart