Patents by Inventor William J. Rizoff

William J. Rizoff 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).

  • Biocidal chelate
    Patent number: 4307109
    Abstract: The biocidal activity of N-(2-methyl-1-naphthyl)-maleimide is vastly improved by chelating it with an amine wherein each free hydrogen on each amino group has been replaced by the groups --(CH.sub.2).sub.n COOY wherein n represents 1 or 2 and each Y represents hydrogen, ammonium or an alkali metal cation.
    Type: Grant
    Filed: May 8, 1980
    Date of Patent: December 22, 1981
    Assignee: Abbott Laboratories
    Inventors: Francis W. Arbir, William J. Rizoff, Frank C. Becker