Patents by Inventor Leslie A. McLain

Leslie A. McLain 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: 6554892
    Abstract: Coarse platey, high brightness kaolin products and methods for making the same, including combining a coarse kaolin fraction and a fine kaolin fraction, where each coarse or fine kaolin fraction may be produced by processing one or more crude kaolin samples through different stages of the methods of the present invention, by blending of one or more crude kaolin samples so processed, or as a by-product of a coarse or fine kaolin product.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: April 29, 2003
    Assignee: Imerys Kaolin, Inc.
    Inventors: John A. Manasso, Bomi M. Bilimoria, Leslie A. McLain, Milton Constantin