Patents by Inventor Ronnie E. Brooks

Ronnie E. Brooks 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).

  • Flotation method for removing colored impurities from kaolin clay
    Patent number: 6378703
    Abstract: An improved method for purifying titania contaminated kaolin clay by froth flotation which features the use an hydroxamate flotation collector at a neutral or mildly alkaline pH wherein a slurry of the impure clay is conditioned for the flotation step in a baffled conditioning apparatus provided with mean for imparting sufficient mechanical energy to heat a dispersed slurry of the impure clay before flotation.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: April 30, 2002
    Assignee: Engelhard Corporation
    Inventors: Sharad Mathur, Ronnie E. Brooks, Ernest M. Finch