Patents by Inventor Robert H. McIntosh, Jr.

Robert H. McIntosh, Jr. 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).

  • Biocidal delivery system of phosphate ester and method of preparation thereof
    Patent number: 4908209
    Abstract: A biocidal phosphate ester in combination with an inert inorganic or organic particulate or polymeric carrier. The biocidal-carrier composition is useful in extending the effective lifetime of the biocidal phosphate ester when incorporated into a variety of materials including plastics, fibrous materials, and solutions. Applications of the disclosed carrier compounds include preparation of mildew resistant paints and plastics having extended antimicrobial properties despite extensive washing and wear of the surface.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: March 13, 1990
    Assignee: Interface, Inc.
    Inventors: Robert H. McIntosh, Jr., Albin F. Turbak, Robert H. McIntosh, Sr.