Patents Examined by Jill Warekeb
  • Composition and method for treatment of lead-containing surface coatings and soil
    Patent number: 5976270
    Abstract: A method is provided to render non-hazardous surface soil which is contaminated with lead compounds. The soil is treated by applying an aqueous composition comprising hydrogen peroxide, ammonium hydroxide, nitric acid and acetic acid and allowing said composition to migrate through the soil.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: November 2, 1999
    Inventors: Joseph Zelez, Anthony Peter Balestrieri, Robert Howard