Patents by Inventor Joseph F. Stejskal

Joseph F. Stejskal 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).

  • High speed corrugating adhesives
    Patent number: 4297144
    Abstract: High speed corrugating adhesives are provided based upon the use of certain specified saponifiable starch ester materials. These may be in the form of no-carrier type formulations, in which a single phase is present wherein the starch material is in the form of partially swollen granules. Alternatively, the formulation may have a carrier phase and an adhesive phase. The specific formulations described have superior properties that permit higher corrugating machine speeds.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: October 27, 1981
    Assignee: CPC International Inc.
    Inventors: Gary H. Klein, Howard L. Arons, Joseph F. Stejskal, Donald G. Stevens, Henry F. Zobel