Patents by Inventor Thomas Dunder

Thomas Dunder 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).

  • Colored image on a degradable sheet material and method of formation
    Patent number: 5183723
    Abstract: This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of printing paper stocks. Upon exposure to an actinic radiation source through a screened image and development, it can accurately reproduce the image on the degradable sheet. The construction is useful as a color proof which can be employed to accurately predict the image quality from a lithographic printing process on a variety of printing surfaces.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: February 2, 1993
    Assignee: Hoechst Celanese Corporation
    Inventors: Stephan J. W. Platzer, Arthur E. Procter, Thomas Dunder
  • Method for forming a colored image on a degradable sheet material
    Patent number: 5100757
    Abstract: This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of printing paper stocks. Upon exposure to an actinic radiation source through a screened image and development, it can accurately reproduce the image on the degradable sheet. The construction is useful as a color proof which can be employed to accurately predict the image quality from a lithographic printing process on a variety of printing surfaces.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: March 31, 1992
    Assignee: Hoechst Celanese Corporation
    Inventors: Stephan J. W. Platzer, Arthur E. Proctor, Thomas Dunder