Patents by Inventor Petrus E. M. Baltussen

Petrus E. M. Baltussen 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