Patents by Inventor Craig A. Glotfelter

Craig A. Glotfelter 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).

  • Polymer/glass hybrid coating
    Patent number: 5120811
    Abstract: A 1 to 8 micron organic/inorganic (epoxy/glass) wear surface coating over a clear, protective layer provides excellent stain and gloss protection. An acid hydrolyzed silicate is combined with an acid hydrolyzed silicone coupling agent; an epoxy monomer; a photoinitiator and silicon oil surfactant to produce a coating composition which is dried to remove alcohol/water solvent and U.V. cured.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: June 9, 1992
    Assignee: Armstrong World Industries, Inc.
    Inventors: Craig A. Glotfelter, Robert P. Ryan
  • Floor covering having a modified glass wear layer
    Patent number: 5023140
    Abstract: A 1 to 8 micron organic/inorganic (epoxy/glass) wear surface coating over a clear, protective layer provides excellent stain and gloss protection. An acid hydrolyzed silicate is combined with an acid hydrolyzed silicone coupling agent; an epoxy monomer; a photoinitiator and silicon oil surfactant to produce a coating composition which is dried to remove alcohol/water solvent and U.V. cured.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: June 11, 1991
    Assignee: Armstrong World Industries, Inc.
    Inventors: Craig A. Glotfelter, Robert P. Ryan