Colored glass-ceramics

Details Colored glass-ceramics Colored glass-ceramics

1990-10-26

1991-12-03

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 71, C03C 1016, C03C 3087

Patent

active

050700430

ABSTRACT:
A color package is disclosed that provides a light beige 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: Re25312 (1963-01-01), Duncan et al.
patent: 2901366 (1959-08-01), Smith et al.
patent: 3723142 (1973-03-01), Kato et al.
patent: 4339541 (1982-07-01), Dela Ruye
patent: 4461839 (1984-07-01), Rittler
patent: 4467039 (1984-08-01), Beall et al.
patent: 4608348 (1986-08-01), Beall et al.
patent: 4786617 (1988-11-01), Andrien et al.

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