Patents by Inventor Richard N. Van Oss

Richard N. Van Oss 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 of pacifying stickies in paper
    Patent number: 4923566
    Abstract: Urea is used to pacify "stickies" in the manufacture of paper products, particularly coated boxboard.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: May 8, 1990
    Assignee: Nalco Chemical Company
    Inventors: Shamel M. Shawki, Richard N. Van Oss