Patents by Inventor Paul DuBrow

Paul DuBrow 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).

  • Zinc electroplating
    Patent number: 3957595
    Abstract: An improved method of electroplating zinc comprises adding a polyquaternary ammonium salt or a mixture of a polyquaternary ammonium salt and a monomeric quaternary salt to the plating solution to improve the throwing power.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: May 18, 1976
    Assignee: Nalco Chemical Company
    Inventors: Paul DuBrow, Moneeb Zakaria