Colored glass-ceramics and method

Details Colored glass-ceramics and method Colored glass-ceramics and method

1994-09-01

1995-10-03

Group, Karl

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 4, 501 71, C03C 1016

Patent

active

054552079

ABSTRACT:
A color package is disclosed that provides a light ivory tint in potassium fluorrichterite glass-ceramic materials containing a cristobalite secondary crystal phase. The package includes Fe.sub.2 O.sub.3, NiO, Se and, optionally, cobalt oxide within limited ranges.

REFERENCES:
patent: 2938808 (1960-05-01), Duncan et al.
patent: 4608348 (1986-08-01), Beall et al.
patent: 4786617 (1988-11-01), Andrieu et al.
patent: 5070043 (1991-12-01), Amundson, Jr. et al.

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