Patents by Inventor Richard W. Waggener

Richard W. Waggener 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).

  • Carbon treatment of monohydrate crystallizer liquor
    Patent number: 4299799
    Abstract: Improved process for preparing sodium carbonate from crude trona without carbon column scaling by evaporating a portion of water from a clarified sodium carbonate solution to crystallize sodium carbonate crystals therefrom, separating the sodium carbonate crystals from the crystallizer liquor, passing only the crystallizer liquor which contains organic impurities through a carbon column to reduce the organic impurity concentration therein, and evaporating a portion of water from the carbon treated crystallizer liquor to crystallize additional sodium carbonate crystals.
    Type: Grant
    Filed: April 9, 1980
    Date of Patent: November 10, 1981
    Assignee: Intermountain Research & Develop. Corp.
    Inventors: Joseph M. Ilardi, Richard W. Waggener, William R. Frint