Alkali-zinc-silicate glass-ceramics and glasses

Details Alkali-zinc-silicate glass-ceramics and glasses Alkali-zinc-silicate glass-ceramics and glasses

1995-07-27

1997-04-08

Bonner, Melissa

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 6, 501 57, 501 63, 501 64, 501 69, 501 70, 501 72, 106 35, 65 331, C03C 1400, A61K 602

Patent

active

056187637

ABSTRACT:
Alkali-zinc-silicate glass ceramics and glasses are described which have a linear thermal expansion coefficient in the range from 8.0 to 18.7.times.10.sup.-6 K.sup.-1, an excellent chemical resistance and other advantageous optical properties and can be used in particular as dental material.

REFERENCES:
patent: 3772132 (1973-11-01), Hara et al.
patent: 3907577 (1975-09-01), Kiefer et al.
patent: 3954487 (1976-05-01), Gliemeroth et al.
patent: 5432130 (1995-07-01), Rheinberger et al.
Database WPI, Section Ch, Week 8112, Derwent Publications Ltd., London, GB, AN 81-20178D.

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