Patents by Inventor John Argent

John Argent 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: 6466297
    Abstract: The invention relates to a method of preparing a broadband reflective polarizer comprising the blending a first mixture A comprising at least one achiral polymerizable mesogenic compound with a second mixture B comprising at least one chiral polymerizable mesogenic compound; and coating a layer of the blended mixture onto a first substrate and aligning the chiral mesogenic material in a planar orientation so that the axis of the molecular helix extends transversely to the layer.
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: October 15, 2002
    Assignee: Merck Patent Geselleschaft mit Beschrankter Haftung
    Inventors: Mark Goulding, David Coates, John Patrick, Mark Verrall, John Argent
  • Patent number: D464930
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: October 29, 2002
    Inventors: Kevin John Argent, Andrew John Argent