Colored electric lamp with a colored pigment-containing coating

Details Colored electric lamp with a colored pigment-containing coating Colored electric lamp with a colored pigment-containing coating

2005-01-11

2005-01-11

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

C313S487000, C313S112000

Reexamination Certificate

active

06841937

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 formulain-line-formulae description="In-line Formulae" end="lead"?A1−xA′xBO2−xN1+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<x<1in-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?AB1−xB′xBO1+xN2−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<x<1in-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?AyA′2−yB2O5+yN2−y, 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<y<2in-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?A′2B2−yB′yO5+yN2−y, 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<y<2in-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?CD2−mD′mO4−mNm, wherein C=Mg, Ca, Mn, Fe, Co, Ni, Zn and D=Al, Ga, In, Ti, V, Cr, Fe, Co, Ni and D′=Ti, Zr, HF, Sn, Ge, Si, Nb, Ta, and 0<m<2in-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?C1−nC′nD2O4−nNn, wherein C=Mg, Ca, Mn, Fe, Co, Ni, Zn, C′=Al, Ga, In, Ti, V, Cr, Fe, Co, Ni, D=Al, Ga, In, Ti, V, Cr, Fe, Co, Ni and 0<n<2in-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?A′2CBO5N, wherein A′=Ln, Bi, Al, Fe, C=Mg, Ca, Mn, Fe, Co, Ni, Zn, B=V, Nb, Ta, Mo, Win-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?A′2A″BO4N2, wherein A′=Ln, Bi, Al, Fe, A″=Ln, Bi, B=V, Nb, Ta, Mo, Win-line-formulae description="In-line Formulae" end="tail"?or an oxide-nitride pigment of the general formulain-line-formulae description="In-line Formulae" end="lead"?A′2DBO3N3, wherein A′=Ln, Bi, Al, Fe, D=Al, Ga, In, Ti, V, Cr, Fe, Co, Ni and B=V, Nb, Ta, Mo, Win-line-formulae description="In-line Formulae" end="tail"?and with means for operating the electric light source.

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patent: 4421803 (1983-12-01), Czeiler et al.
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patent: 5742126 (1998-04-01), Fujii et al.
patent: 5744900 (1998-04-01), Labant
patent: 5962972 (1999-10-01), Engels et al.
patent: 5965983 (1999-10-01), Bouwkamp-Wijnoltz et al.
patent: 0697373 (1996-02-01), None

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