Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor
Reexamination Certificate
2006-04-03
2009-06-09
Williams, Joseph L (Department: 2889)
Electric lamp and discharge devices
With gas or vapor
With particular gas or vapor
C313S491000, C313S571000
Reexamination Certificate
active
07545100
ABSTRACT:
A metal halide fill for forming an ionizable fill comprises at least one inert gas, mercury and metal halides, the fill comprising the constituents In halide, Na halide, Tl halide and halides of the rare earths. This fill may in particular be contained in the discharge vessel of a metal halide lamp.
REFERENCES:
patent: 5965984 (1999-10-01), Horiuchi et al.
patent: 6107742 (2000-08-01), Seki et al.
patent: 2004/0253897 (2004-12-01), Graf et al.
patent: 198 14 353 (1998-10-01), None
patent: 103 25 554 (2004-12-01), None
patent: 1 455 382 (2004-09-01), None
patent: 1 511 068 (2005-03-01), None
Osram Gesellschaft mit beschraenkter Haftung
Williams Joseph L
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