Patents Represented by Attorney, Agent or Law Firm Toan P. Vu
  • Control of leachable mercury in fluorescent lamps by addition of copper compounds
    Patent number: 6224446
    Abstract: The formation of leachable mercury upon disposal or during TCLP testing of mercury vapor discharge lamps is substantially prevented by adding soluble copper salts which are capable of being reduced to elemental copper which deposits on aluminum and other metal surfaces thereby inhibiting formation of oxidized forms of mercury by chemical reaction or amalgamation.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: May 1, 2001
    Assignee: General Electric Company
    Inventors: David Key Dietrich, Donald Franklin Foust, Deborah Ann Haitko