Patents Assigned to Thatcher Company, Inc.
  • Formulations and methods for removing heavy metals from waste solutions containing chelating agents
    Patent number: 9499420
    Abstract: Described are chemical formulations that remove heavy metals from waste solutions containing a chelating agent. Also disclosed are methods for removing heavy metals from waste solutions utilizing such chemical formulations.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: November 22, 2016
    Assignee: Thatcher Company, Inc.
    Inventors: Mark A. Ross, Jeffrey W. Zidek