Patents by Inventor Robert Cunigan

Robert Cunigan 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).

  • Patent number: 9452306
    Abstract: The present invention relates to a composition and method for remediation of heavy metal contaminated substances. More particularly, the present invention relates to a composition and method for remediating soil, paint chips, paint dusts, surfaces, and other substances contaminated with heavy metals by application of an aqueous suspension of phosphate compound. Even more particularly, the present invention relates to remediating soil, paint chips, paint dusts, surfaces, and other substances contaminated with lead by at least one application of an aqueous suspension of tricalcium phosphate, surfactant, hydrophobically-modified hydroxyethylcellulose, and a chloride source.
    Type: Grant
    Filed: October 19, 2014
    Date of Patent: September 27, 2016
    Inventor: Robert Cunigan