Patents by Inventor Henricus G. J. A. M. Luijben

Henricus G. J. A. M. Luijben 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).

  • Method of manufacturing a top coat
    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
  • Device comprising a color filter and top coat
    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
  • Optically readable information disc comprising an envelope of cross-linked synthetic resin
    Patent number: 4448827
    Abstract: An optically readable information disc having a carrier body of polycarbonate which on one side has an optically readable information track which is provided in the surface of the carrier body and which is covered with a reflection layer, the disc comprising an envelope of a cross-linked transparent synthetic resin extending as a closed envelope over the information track with reflection layer present on the upper side of the disc, over the edge of the disc and over the lower side of the disc.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: May 15, 1984
    Assignee: U.S. Philips Corporation
    Inventors: Henricus G. J. A. M. Luijben, Herman C. Meinders