Patents by Inventor Emile A. Cambron

Emile A. Cambron 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).

  • Kraft overload recovery process
    Patent number: 4470876
    Abstract: The present invention relates to a kraft overload recovery process for the treatment of kraft black liquor (b.l.) which comprises acidifying the b.l. with an acid comprising sulfuric acid, separating the lignin therefrom, and further treating the residual b.l. for recovery of inorganics contained therein for use as a source of cooking chemical in kraft cooks.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: September 11, 1984
    Inventors: Marc F. Beaupr/e/, Emile A. Cambron, Emily T. Cambron