Patents by Inventor Peter F. Knowles

Peter F. Knowles 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 liquid crystals
    Patent number: 5370820
    Abstract: A semi-conducting liquid crystalline material exhibiting anisotropic conduction properties. The material comprises a radical salt of a disc-like mesogen and a dopant which is an oxidizing or a reducing agent. Not more than 0.5 moles of dopant per mole of mesogen are present.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: December 6, 1994
    Assignee: British Technology Group Ltd.
    Inventors: Neville Boden, Richard J. Bushby, Jonathan Clements, Peter F. Knowles, Malini V. Jesudason