Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1983-08-11
1985-03-26
Bell, Mark
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501903, C03C 308, C03C 310
Patent
active
045073937
ABSTRACT:
An ophthalmic glass particularly useful as a segment glass consists essentially of, in weight percent:
REFERENCES:
patent: 2214385 (1940-09-01), Scott et al.
patent: 2523265 (1950-09-01), Armistead
patent: 3740242 (1973-06-01), Faulstich et al.
patent: 4066464 (1978-01-01), Faulstich et al.
patent: 4213787 (1980-07-01), Faulstich et al.
patent: 4351906 (1982-09-01), Boudot
Cook Lee M.
Kassner Reinhard
Mader Karl-Heinz
Bell Mark
Schott Glass Technologies Inc.
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