Patents by Inventor Stephen Beldon

Stephen Beldon 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).

  • Patent number: 7670502
    Abstract: The invention is directed to liquid crystal compositions for use in bistable liquid crystal devices and to bistable liquid crystal devices containing said liquid crystal compositions. The liquid crystal composition comprises a component (?) said component (?) containing one or more compounds having a phenyl ring of formula A Whereby XA is F, CI, SF5, NCS or a C1 to C8 alkanyl, alkenyl or alkoxy radical substituted with at least one F atom; and LA is H or F.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: March 2, 2010
    Assignee: Merck Patent GmbH
    Inventors: Matthew Francis, Marc John Goulding, John Clifford Jones, Stephen Beldon, Peer Kirsch
  • Patent number: 7335404
    Abstract: The invention is directed to the use of a liquid crystal composition in a bistable liquid crystal device and especially in a single polariser reflective or transflective zenithal bistable nematic liquid crystal device as well as a bistable liquid crystal device comprising the liquid crystal composition.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: February 26, 2008
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Mark John Goulding, Matthew Francis, John Clifford Jones, Stephen Beldon
  • Publication number: 20070176144
    Abstract: The invention is directed to liquid crystal compositions for use in bistable liquid crystal devices and to bistable liquid crystal devices containing said liquid crystal compositions. The liquid crystal composition comprises a component (?) said component (?) containing one or more compounds having a phenyl ring of formula A Whereby XA is F, CI, SF5, NCS or a C1 to C8 alkanyl, alkenyl or alkoxy radical substituted with at least one F atom; and LA is H or F.
    Type: Application
    Filed: January 31, 2005
    Publication date: August 2, 2007
    Inventors: Matthew Francis, Marc Goulding, John Jones, Stephen Beldon, Peer Kirsch
  • Publication number: 20070080325
    Abstract: The invention is directed to the use of a liquid crystal composition in a bistable liquid crystal device and especially in a single polariser reflective or transflective zenithal bistable nematic liquid crystal device as well as a bistable liquid crystal device comprising the liquid crystal composition.
    Type: Application
    Filed: April 13, 2004
    Publication date: April 12, 2007
    Inventors: Mark Goulding, Matthew Francis, John Jones, Stephen Beldon