Patents by Inventor Henry C. Zak

Henry C. Zak 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).

  • Peroxygen compound activation
    Patent number: 5151212
    Abstract: Peroxygen compositions of at least one peroxygen compound combined with at least one polyhydric activator compound having at least four carbon atoms, with the carbon atoms having at least one hydroxyl group bonded thereto, or a boron or aluminum derivative thereof. Solutions of at least one activated peroxygen compound prepared by dissolving in a common solvent therefor at least one peroxygen compound and at least one of the polyhydric activator compounds of the invention. Methods for preparing activated peroxygen compounds by dissolving in a common solvent at least one peroxygen compound and at least one of the polyhydric activator compounds of the invention. Methods for cleaning or bleaching substrates in need thereof by contacting the substrate with a solution of at least one activated peroxygen compound prepared by dissolving in a common solvent at least one peroxygen compound with at least one of the polyhydric activator compounds of the invention.
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: September 29, 1992
    Assignee: The Belzak Corporation
    Inventors: Jack H. Bell, Henry C. Zak, Dominick A. De Santis