Highly transparent, edge colored glass

Details Highly transparent, edge colored glass Highly transparent, edge colored glass

1990-06-29

1991-07-09

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 70, 501 71, C03C 3078

Patent

active

050305948

ABSTRACT:
A clear glass, with the substantial absence of color in transmittance, and with an attractive, bright, pure azure edge coloration is achieved in a glass having greater than 87 percent, preferably greater than 90 percent, luminous transmittance by using very small amounts of iron oxide as the sole essential colorant, with the ratio of iron in the ferrous state to total iron being at least 0.4.

REFERENCES:
patent: 3330638 (1967-07-01), Brown
patent: 3723142 (1973-03-01), Kato et al.
patent: 4104076 (1978-08-01), Pons
patent: 4339541 (1982-07-01), Dela Ruye
patent: 4792536 (1988-12-01), Pecoraro et al.
patent: 4866010 (1989-09-01), Boulos et al.

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