Leucite porcelain

Details Leucite porcelain Leucite porcelain

1984-03-20

1986-08-05

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 16, 501 17, 501 21, 501 32, 106 35, C03C 1010, C03C 822, C03C 814, C03C 802

Patent

active

046043667

ABSTRACT:
Porcelain compositions, especially dental porcelain compositions, which contain leucite crystals in controlled amounts in a glassy phase matrix to permit selective adjustment of the thermal coefficient of expansion of the porcelain compositions, including methods of preparing and using same and products derived therefrom.

REFERENCES:
patent: 3052982 (1962-09-01), Weinstein et al.
patent: 3052983 (1982-09-01), Weinstein
patent: 3400097 (1968-09-01), Weinstein
patent: 3423828 (1965-10-01), Halpern et al.
patent: 3464837 (1964-10-01), McLean et al.
patent: 3615765 (1968-10-01), Bystrova
patent: 3775164 (1973-11-01), Smith et al.
patent: 4101330 (1978-07-01), Burk et al.
patent: 4120729 (1978-10-01), Smyth et al.
patent: 4337316 (1982-06-01), Votava
Chemical Abstract 81713g; vol. 81; 1974.
Chemical Abstract 63365m; vol. 82; 1975.

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