Patents by Inventor Martin Lewis Carter

Martin Lewis Carter 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 photosensitive polyurethane-methacrylate
    Patent number: 6423472
    Abstract: Butadiene-polyether prepolymers which can be used in photopolymer resins are prepared by reacting butadiene homopolymer with a stoichiometric excess of isocyanate and then reacting the product with polyether diol. Thereafter the composition is reacted with hydroxyalkyl(meth)acrylate and alkyldialkanolamine. Flexographic printing plates may be prepared using photopolymer resin comprising butadiene-polyether prepolymers.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: July 23, 2002
    Assignee: MacDermid Graphic Arts, Inc.
    Inventors: Ronald James Kumpfmiller, Martin Lewis Carter
  • Aqueous developable photosensitive polyurethane-methacrylate
    Patent number: 6066436
    Abstract: Butadiene-polyether prepolymers which can be used in photopolymer resins are prepared by reacting butadiene homopolymer with a stoichiometric excess of isocyanate and then reacting the product with polyether diol. Thereafter the composition is reacted with hydroxyalkyl(meth)acrylate and alkyldialkanolamine. Flexographic printing plates may be prepared using photopolymer resin comprising butadiene-polyether prepolymers.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: May 23, 2000
    Assignee: Polyfibron Technologies, Inc.
    Inventors: Ronald James Kumpfmiller, Martin Lewis Carter