Patents by Inventor Richard J. Katona

Richard J. Katona 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).

  • Retroreflective sheeting with improved topcoat
    Patent number: 5514441
    Abstract: Retroreflective sheeting having an aliphatic polyurethane topcoat is described. The aliphatic polyurethane topcoat is obtainable from a mixture comprising (A) an aliphatic polyurethane derived from an aliphatic polyisocyanate and a polyester polyol prepared from a mixture comprising (A-1) a dicarboxylic acid component comprising isophthalic acid as the major dicarboxylic acid; and (A-2) a polyol component; and (B) cellulose acetate butyrate. The mixture also may contain (C) at least one non-reactive solvent, and optionally, (D) one or more surfactants including, for example, hydroxy-containing non-silicone surfactants.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: May 7, 1996
    Assignee: Avery Dennison Corporation
    Inventors: Susan L. Pohto, Richard J. Katona, George H. Wise, Robert K. Rega