Patents Assigned to THATCHER COMPANY
  • 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
  • Publication number: 20140124447
    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: Application
    Filed: November 5, 2013
    Publication date: May 8, 2014
    Applicant: THATCHER COMPANY
    Inventors: Mark A. ROSS, Jeffrey A. ZIDEK