Patents by Inventor Mohottige Sujeewa Perera

Mohottige Sujeewa Perera 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: 11370683
    Abstract: A process for treating acid mine drainage removes iron ions from the acid mine drainage in the form of zero-valent iron nanoparticles which can be subsequently used for environmental remediation.
    Type: Grant
    Filed: July 18, 2020
    Date of Patent: June 28, 2022
    Assignee: Montgomery Chemicals LLC
    Inventors: Charles A. Lumsden, Mohottige Sujeewa Perera
  • Patent number: 10927021
    Abstract: A process for treating acid mine drainage removes iron ions from the acid mine drainage in the form of zero-valent iron nanoparticles which can be subsequently used for environmental remediation.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: February 23, 2021
    Assignee: MONTGOMERY CHEMICALS LLC
    Inventors: Charles A. Lumsden, Mohottige Sujeewa Perera
  • Publication number: 20200346962
    Abstract: A process for treating acid mine drainage removes iron ions from the acid mine drainage in the form of zero-valent iron nanoparticles which can be subsequently used for environmental remediation.
    Type: Application
    Filed: July 18, 2020
    Publication date: November 5, 2020
    Inventors: Charles A. Lumsden, Mohottige Sujeewa Perera
  • Publication number: 20190218119
    Abstract: A process for treating acid mine drainage removes iron ions from the acid mine drainage in the form of zero-valent iron nanoparticles which can be subsequently used for environmental remediation.
    Type: Application
    Filed: June 20, 2018
    Publication date: July 18, 2019
    Inventors: Charles A. Lumsden, Mohottige Sujeewa Perera