Patents by Inventor Kenneth J. Wiesinger

Kenneth J. Wiesinger 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).

  • Method for strengthening cellulosic substrates
    Patent number: 5427587
    Abstract: This invention relates to a method for strengthening a cellulosic substrate by treating the substrate with a formaldehyde-free curable aqueous composition and curing the composition. The cellulosic substrates include, for example, paper oil- and air-filter stock, rayon nonwoven wipes, cellulosic laminating stock, cotton woven fabrics, and wood flakes suitable to be consolidated into flakeboard.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: June 27, 1995
    Assignee: Rohm and Haas Company
    Inventors: Charles T. Arkens, Scott L. Egolf, Robert D. Gleim, Oscar H. Hsu, Kenneth J. Wiesinger