Patents by Inventor James R. Wall, deceased

James R. Wall, deceased 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).

  • Production of aluminum compound
    Patent number: 5194243
    Abstract: A method of manufacture including bringing seed and aluminum hydroxide together in an aqueous medium and hydrothermally digesting for producing boehmite at the expense of the aluminum hydroxide.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: March 16, 1993
    Assignee: Aluminum Company of America
    Inventors: Alan Pearson, James R. Wall, deceased