Patents by Inventor Phillip Barnhard, IV

Phillip Barnhard, IV 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).

  • Patent number: 4058420
    Abstract: Improved thickened aqueous slurry explosives of the type containing an inorganic oxidizing salt, a fuel, and water are disclosed, wherein the improvement includes the use of a colloidal hydrous metal oxide as a thickening agent.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: November 15, 1977
    Assignee: IMC Chemical Group, Inc.
    Inventors: Phillip Barnhard, IV, Francis John Kieres