Patents by Inventor Delbert A. Williams

Delbert A. Williams 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).

  • High pressure decorative laminate having registered color and embossing
    Patent number: 4154882
    Abstract: A decorative high pressure laminate having registered color and embossing is produced by effecting simultaneous embossing and laminating using a three dimensional press plate acting against an overlay sheet containing high flow melamine resin and pigment, so that during the pressing operation the resin and pigment flows laterally from the high pressure areas to the low pressure areas with the result that the underlying print sheet is visible through the overlay sheet in the high pressure areas while the pigment in the overlay sheet in the low pressure areas mask the print sheet.
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: May 15, 1979
    Assignee: Nevamar Corporation
    Inventors: Israel S. Ungar, Herbert I. Scher, Delbert A. Williams
  • High pressure decorative laminate having registered color and embossing
    Patent number: 4092199
    Abstract: A decorative high pressure laminate having registered color and embossing is produced by effecting simultaneous embossing and laminating using a three dimensional press plate acting against an overlay sheet containing high flow melamine resin and pigment, so that during the pressing operation the resin and pigment flows laterally from the high pressure areas to the low pressure areas with the result that the underlying print sheet is visible through the overlay sheet in the high pressure areas while the pigment in the overlay sheet in the low pressure areas mask the print sheet.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: May 30, 1978
    Assignee: Exxon Research & Engineering Co.
    Inventors: Israel S. Ungar, Herbert I. Scher, Delbert A. Williams
  • High pressure decorative laminate having registered color and embossing
    Patent number: RE31373
    Abstract: A decorative high pressure laminate having registered color and embossing is produced by effecting simultaneous embossing and laminating using a three dimensional press plate acting against an overlay sheet containing high flow melamine resin and pigment, so that during the pressing operation the resin and pigment flows laterally from the high pressure areas to the low pressure areas with the result that the underlying print sheet is visible through the overlay sheet in the high pressure areas while the pigment in the overlay sheet in the low pressure areas mask the print sheet.
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: September 6, 1983
    Assignee: Nevamar Corporation
    Inventors: Israel S. Ungar, Herbert I. Scher, Delbert A. Williams