Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1977-11-23
1980-02-12
Bashore, S. Leon
Glass manufacturing
Processes
Forming product or preform from molten glass
65 31, 106 52, 106 53, 106 50, 350 9633, C03C 2502, C03C 1500
Patent
active
041881982
ABSTRACT:
A glass article is produced by doping a porous glass matrix with at least one member selected from the group consisting of PbO and Bi.sub.2 O.sub.3 and at least one member selected from the group consisting of K.sub.2 O, Rb.sub.2 O and Cs.sub.2 O, and producing a profile in dopant composition by immersion in a multiple-solvent solution.
REFERENCES:
patent: 3627550 (1971-12-01), Monneraye
patent: 3859103 (1975-01-01), Yoshiyagawa et al.
patent: 3938974 (1976-02-01), Macedo et al.
patent: 4061486 (1977-12-01), Jahn
patent: 4073579 (1978-02-01), Deeg et al.
patent: 4110093 (1978-08-01), Macedo et al.
patent: 4110096 (1978-08-01), Macedo et al.
Macedo Pedro B.
Samanta Mrinmay
Simmons Joseph H.
Bashore S. Leon
Litovits Theodore Aaron
Macedo Pedro Buarque de
Miga Frank W.
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