Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Patent
1991-08-30
1993-01-12
Group, Karl
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
501 69, C03C 1014
Patent
active
051790459
ABSTRACT:
A transparent glass-ceramic and an article of cookware formed therefrom. The glass-ceramic has as its primary crystal phase a beta-quartz solid solution, contains an amount of TiO.sub.2 effective as a nucleating agent up to about 6%, and has a color package composed of 50 to 150 ppm Co.sub.3 O.sub.4, 50 to 250 ppm NiO and 400 to 1000 ppm Fe.sub.2 O.sub.3 that provides a burgundy color.
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Aitken Bruce G.
Pfitzenmaier Robert W.
Smith, Jr. Charles C.
Corning Incorporated
Group Karl
Janes Jr. Clinton S.
Peterson Milton M.
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