Patents by Inventor Richard Glenn Smith

Richard Glenn 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).

  • Glossy emulsion coating compositions containing surface treated pigments of oilophilic nature and method
    Patent number: 3940385
    Abstract: The present invention involves the production of glossy emulsion pigment-containing coating compositions in which the pigment is coated with an organic compound capable of adhering to the pigment surface when the coated pigment is emulsified and capable of rendering said pigment surface oilophilic and the coating is applied to the pigment prior to emulsification thereof and prior to dispersion of the coated pigment in the oil phase.
    Type: Grant
    Filed: May 22, 1973
    Date of Patent: February 24, 1976
    Assignee: The Sherwin-Williams Company
    Inventor: Richard Glenn Smith