Patents by Inventor David William Swatton

David William Swatton 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).

  • Aqueous developable flexographic printing plate
    Patent number: 6210854
    Abstract: An aqueous developable photosensitive element comprising a support and a photosensitive layer provided thereon, said layer containing (a) an elastomeric microgel binder having an elastomeric core which can be crosslinked and a thermoplastic noncrosslinked shell, (b) an initiator, (c) an ethylenically unsaturated monomer or oligomer and optionally (d) a basic compound capable of neutralizing the acidic functionality and method of use to make an aqueous developable flexographic printing plate is described.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: April 3, 2001
    Assignees: E. I. du Pont de Nemours and Company, Reichhold Chemical
    Inventors: Jan Grossman, John Anthony Quinn, David William Swatton, Jose Antonio Briones, Paul Thomas Shea
  • Process for preparing an aqueous developable photosensitive element
    Patent number: 5707773
    Abstract: An aqueous developable photosensitive element comprising a support and a photosensitive layer provided thereon, said layer containing (a) an elastomeric microgel binder having an elastomeric core which can be crosslinked and a thermoplastic noncrosslinked shell, (b) an initiator, (c) an ethylenically unsaturated monomer or oligomer and optionally (d) a basic compound capable of neutralizing the acidic functionality and method of use to make an aqueous developable flexographic printing plate is described.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: January 13, 1998
    Assignees: E. I. Du Pont de Nemours and Company, Reichhold Chemicals
    Inventors: Jan Grossman, John Anthony Quinn, David William Swatton, Jose Antonio Briones, Paul Thomas Shea