Joint doped porous glass article with high modifier concentratio

Details Joint doped porous glass article with high modifier concentratio Joint doped porous glass article with high modifier concentratio

1976-12-30

1980-01-15

Bashore, S. Leon

Compositions: coating or plastic

Coating or plastic compositions

Alkali metal silicate containing

350 9634, 106 50, 106 52, 106 53, 65 31, 65 3A, G02B 514, C03C 304, C03C 2502

Patent

active

041836200

ABSTRACT:
A glass composition having at least 85 mole percent of SiO.sub.2, where the improvement comprises at least 7 wt percent of at least one member selected from the group consisting of PbO and Bi.sub.2 O.sub.3 and at least 1.5 mole percent of at least one member selected from the group consisting of K.sub.2 O, Rb.sub.2 O and Cs.sub.2 O.

REFERENCES:
patent: 3156577 (1964-11-01), Upton et al.
patent: 3258352 (1966-06-01), Paymal
patent: 3627550 (1971-12-01), Moniyeray
patent: 3663247 (1972-05-01), Trap
patent: 3859103 (1975-01-01), Yoshiyagawa et al.
patent: 3907584 (1975-09-01), Wada et al.
patent: 3941474 (1976-03-01), Kitano et al.
patent: 4026692 (1977-05-01), Bartholomew
patent: 4046545 (1977-09-01), Sanford et al.
patent: 4110093 (1978-08-01), Macedo et al.
patent: 4110096 (1978-08-01), Macedo et al.

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