Patents by Inventor Yvonne D. Smith

Yvonne D. Smith 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 radiation curable ink composition
    Patent number: 9458334
    Abstract: The present invention relates to an aqueous radiation curable ink composition. The ink composition comprises: (a) an aqueous dispersion comprising anionic acrylated polyurethane and non-volatile cations; (b) at least one non-ionic or anionic surfactant; (c) at least one humectant selected from the group consisting of: polyol, polyether, polyether alcohol, polyether polyols, urea, and amide; and (d) water. The ink composition does not contain a water-soluble or water-miscible (meth)acrylate monomer. The ink composition is redispersible in water after drying and before curing, and the ink composition is water-resistant after curing by electron beam or actinic radiation.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: October 4, 2016
    Assignee: Electronics for Imaging, Inc.
    Inventors: Joshua Samuel, Yvonne D. Smith