Patents by Inventor Gerardus C. M. de Keyzer

Gerardus C. M. de Keyzer 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: 5231524
    Abstract: A top coat comprising an acrylic resin is provided on a substrate by means of printing techniques. Various compositions of the starting material (difunctional, trifunctional and tetrafunctional acrylates and possible additives) are described. The resultant top coat is hard and has slanting portions at its edges.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: July 27, 1993
    Assignee: U.S. Philips Corporation
    Inventors: Gerardus C. M. De Keyzer, Antonius H. M. Raaijmakers, Petrus E. M. Baltussen, Henricus G. J. A. M. Luijben
  • Patent number: 5157527
    Abstract: Top coat (4, 6) for a color filter (3) which is hard enough to resist the pressure of spacers (13) and whose edges (6) are slanted in such a way that a satisfactory step coverage is possible, formed by means of a flexographic pressing method, is a cured acrylic resin.
    Type: Grant
    Filed: February 12, 1991
    Date of Patent: October 20, 1992
    Assignee: U.S. Philips Corporation
    Inventors: Gerardus C. M. De Keyzer, Antonius H. M. Raaijmakers, Petrus E. M. Baltussen, Henricus G. J. A. M. Luijben
  • Patent number: 5079214
    Abstract: A thermally-transferred color filter array element, preferably for use in a color electro-optical display device such as a color liquid crystal display device, comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern of colorants, such as a mosaic pattern, the polymeric dye image-receiving layer having been applied to the support using screen printing.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: January 7, 1992
    Assignees: Eastman Kodak Company, U.S. Philips Corporation
    Inventors: Michael E. Long, Gerardus C. M. de Keyzer, Adriaan W. de Bruijn, Pedro F. Henriette, Antonius H. M. Raaijmakers, David L. VanGalio