Patents by Inventor Belinda Braggs

Belinda Braggs 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).

  • Surface modification of kaolinite
    Patent number: 6071335
    Abstract: A method for modifying the surface of kaolinite or a kindred mineral comprises the step of subjecting the mineral to a water vapor plasma. The modification involves the generation of reactive hydroxyl sites on the surface of the kaolinite. The plasma treatment may be followed by treatment with an appropriate chemical reagent to further modify the surface properties of the mineral.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: June 6, 2000
    Assignee: Comalco Aluminium Limited
    Inventors: Belinda Braggs, John Ralston, Roger St. Clair Smart