Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1997-02-13
1998-05-19
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 20, 501 32, 501 17, 501 79, C03C 3064, C03C 814
Patent
active
057535710
ABSTRACT:
A lead and cadmium-free encapsulant glass composition consisting essentially of by weight %, 60-80% Bi.sub.2 O.sub.3, 6-14% SiO.sub.2, 5-12% B.sub.2 O.sub.3, 5-10% Al.sub.2 O.sub.3 and 0-4% ZnO.
REFERENCES:
patent: 5252521 (1993-10-01), Roberts
patent: 5378408 (1995-01-01), Carroll et al.
patent: 5468695 (1995-11-01), Carroll et al.
patent: 5491118 (1996-02-01), Hormadaly
patent: 5629247 (1997-05-01), Prunchack
E. I. Du Pont de Nemours and Company
Group Karl
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