Patents by Inventor Charles T. Gammon

Charles T. Gammon 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).

  • Water-in-oil emulsion defoamer compositions, their preparation and use
    Patent number: 4225456
    Abstract: Water based defoamer compositions which are invert (water in oil) emulsions containing quick-chilled amides, hydrophobic silica, polymers, emulsifiers, oil and water are useful in defoaming aqueous systems such as found in the kraft pulping process. Optionally, these defoamer compositions may contain silicone surfactants, formaldehyde solution and silicone oil.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: September 30, 1980
    Assignee: Diamond Shamrock Corporation
    Inventors: William T. Schmidt, Charles T. Gammon
  • Microemulsion defoamer compositions and processes for their production and use
    Patent number: 4208301
    Abstract: Microemulsion defoamer compositions which are oil in water colloidal dispersions are useful in defoaming aqueous systems such as in paper machines and latex paints. These compositions are prepared by mixing a water dispersible organic material, ethylene oxide condensate, coupling agent, water, basic material and antigelling agent.
    Type: Grant
    Filed: July 7, 1978
    Date of Patent: June 17, 1980
    Assignee: Diamond Shamrock Corporation
    Inventor: Charles T. Gammon