Colored electric lamp with a colored pigment-containing coating
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United States of America Patent
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-
Jan 11, 2005
Grant Date -
Jan 31, 2002
app pub date -
May 24, 2001
filing date -
May 31, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electric lamp which is provided with an electric light source in a light-transmitting bulb provided with a coating comprising an inorganic colored pigment selected from the group formed by oxide nitride pigments of the general formula A.sub.1-x A'.sub.x BO.sub.2-x N.sub.1+x, wherein A=Mg, Ca, Sr, Ba, Zn, A'=Ln, Bi, Al, Fe, B=V, Nb, Ta, Mo, W and B'=Ti, Zr, Hf, Sn, Ge, Si, Nb, Ta and 0
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