Patents by Inventor Ronald D. Paradis

Ronald D. Paradis 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).

  • Treatment of bayer process red mud slurries
    Patent number: 5043077
    Abstract: A method of treating Bayer process red mud slurries to improve or facilitate the handling thereof, comprising adding to such a slurry a minor porportion of humic acids or humates effective to reduce the viscosity of the slurry.
    Type: Grant
    Filed: December 11, 1989
    Date of Patent: August 27, 1991
    Assignee: Alcan International Limited
    Inventors: John L. Chandler, Dirk Noteboom, Ronald D. Paradis, John C. Winch