Vitreous and glass ceramic bodies

Details Vitreous and glass ceramic bodies Vitreous and glass ceramic bodies

1974-11-12

1976-10-05

Ansher, Harold

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

65 30E, 65 33, 428397, 428400, 428410, C03C 2500, C03C 2100, B32B 1702

Patent

active

039846024

ABSTRACT:
A glass ceramic body having a microcrystalline interior and a relatively amorphous outer surface layer, the composition of said layer comprising ions of at least two alkali metals the ratio of the concentrations of which ions increases from said layer to said interior.

REFERENCES:
patent: 3486963 (1969-12-01), Smith
patent: 3589878 (1971-06-01), Achener
patent: 3647406 (1972-03-01), Fisher
patent: 3776612 (1973-12-01), Barlow
patent: 3859114 (1975-01-01), Pepper et al.

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