Pink lamp and coating therefor

Details Pink lamp and coating therefor Pink lamp and coating therefor

1996-10-04

1998-04-28

Dombroske, George M.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

313110, 313116, H01J 516, H01J 6140

Patent

active

057449007

ABSTRACT:
An electric lamp which exhibits a pink color when energized and which comprises a vitreous, light transmissive envelope and enclosing a filament within and a coating on a surface of said envelope. The coating comprises about 42.5 w% calcined kaolin clay; about 42.5 w% synthetic precipitated silica; about 5 w% titanium dioxide; about 7 w% of chrome tin pink sphene; and about 3 w% red iron oxide.

REFERENCES:
patent: 4395653 (1983-07-01), Graff
patent: 4441046 (1984-04-01), James
patent: 5252887 (1993-10-01), Reisman
patent: 5444329 (1995-08-01), Matsuda et al.

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