Patents by Inventor Shilai Hao

Shilai Hao 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).

  • Hydrothermal technology for decontamination and mineralization of perfluoro- and polyfluoroalkyl substance (PFAS) in wastes, concentrate solutions, and chemical stockpiles
    Patent number: 11577111
    Abstract: Methods and systems for treating a waste substance containing perfluoro- and polyfluoroalkyl substances (PFAS) and mineralizing the PFAS, at least partially. The method includes combining the PFAS with a first amendment in a reactor to create a combination, heating and pressurizing the combination to hydrothermal conditions, and holding the combination at hydrothermal conditions for a holding time sufficient to at least partially mineralize the PFAS to create a treated combination.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: February 14, 2023
    Assignee: COLORADO SCHOOL OF MINES
    Inventors: Timothy James Strathmann, Christopher P. Higgins, Boran Wu, Shilai Hao
  • Hydrothermal Technology for Decontamination and Mineralization of Perfluoro- and Polyfluoroalkyl Substance (PFAS) in Wastes, Concentrate Solutions, and Chemical Stockpiles
    Publication number: 20200155885
    Abstract: Disclosed herein are methods and systems for treating a waste substance containing perfluoro- and polyfluoroalkyl substances (PFAS). The method includes combining the PFAS with a first amendment in a reactor to create a combination, heating and pressurizing the combination to hydrothermal conditions, and holding the combination at hydrothermal conditions for a holding time sufficient to at least partially mineralize the PFAS to create a treated combination.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 21, 2020
    Inventors: Timothy James Strathmann, Christopher P. Higgins, Boran Wu, Shilai Hao