Patents by Inventor Donald H. Colby

Donald H. Colby 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).

  • High gloss sealer for painted art pieces
    Patent number: 7312273
    Abstract: An improved coating composition for use in providing a glossy finish to various objects comprises from about 80 to about 92 percent by weight of an acrylic emulsion polymer; and from about 5 to about 12 percent of a glycol ether. The composition also includes from about 1 to about 3 percent by weight of a polyethylene wax emulsion; up to about 1% by weight petroleum distillate; and the balance is water. About 3 to about 5 parts by volume of the concentrate is mixed with from about 2 to about 4 parts by volume of water. The composition is sprayed onto the object to be coated.
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: December 25, 2007
    Inventor: Donald H. Colby