Antioxidant control of leachable mercury in fluorescent lamps
AssigneeGeneral Electric Company
InventorsDeborah Ann Haitko, Donald Franklin Foust, David Key Dietrich
Life of this patent
Estimating the term…
Abstract
The formation of leachable mercury upon disposal or during TCLP testing of mercury vapor discharge lamps is substantially prevented by incorporation of an antioxidant in the lamp structure or in the test solution.
Claims7
A mercury vapor discharge lamp comprising an envelope of light transmitting glass which contains, an inert gas and an amount of elemental mercury, a pair of electrodes for establishing an arc discharge, and an effective amount of an antioxidant.
A method for preventing the formation of leachable mercury compounds in mercury vapor discharge lamps which comprises incorporation into the lamp structure of an effective amount of an antioxidant.
Dependencies are inferred from the claim text.