Patents by Inventor Carol Marie Van Zoeren

Carol Marie Van Zoeren 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).

  • Lasers engravable multilayer flexographic printing element
    Patent number: 5804353
    Abstract: A process for making a multilayer flexographic printing plate which involves reinforcing and laser engraving a multilayer flexographic printing element.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: September 8, 1998
    Assignee: E. I. duPont de Nemours and Company
    Inventors: Stephen Cushner, Roxy Ni Fan, Ernst Leberzammer, John Anthony Quinn, Paul Thomas Shea, Carol Marie Van Zoeren
  • Laser engravable single-layer flexographic printing element
    Patent number: 5798202
    Abstract: A process for making a single layer flexographic printing plate which involves reinforcing and laser engraving a single layer flexographic printing element.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: August 25, 1998
    Assignee: E. I. duPont de Nemours and Company
    Inventors: Stephen Cushner, Roxy Ni Fan, Ernst Leberzammer, Paul Thomas Shea, Carol Marie Van Zoeren
  • Flexographic printing plate
    Patent number: 5705310
    Abstract: This invention relates to a process for making a flexographic printing plate from a photosensitive printing element having an infrared reduction ablatable layer capable of being selectively removed by a laser beam and wherein the process includes placing a material capture sheet in proximity to a photopolymer layer.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: January 6, 1998
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Carol Marie Van Zoeren