Patents by Inventor Robert E. Stutz

Robert E. Stutz 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).

  • Wood preservative containing alkali metal cyanides
    Patent number: 3993752
    Abstract: An alkali metal cyanide added to alkaline borate buffered liquid fungicide concentrates of chlorophenates and organic or inorganic salts of mercury, lead, tin, copper and zinc provides a non-linial enhancement of fungistatic performance when used in the treatment of lumber and veneer and improved stability of the concentrates.
    Type: Grant
    Filed: August 7, 1969
    Date of Patent: November 23, 1976
    Assignee: Koppers Company, Inc.
    Inventor: Robert E. Stutz