Tinted opal glasses

Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...

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Details

501 57, 501 59, C03C 304, C03C 308, C03C 330

Patent

active

045322236

ABSTRACT:
This invention relates to the production of sodium fluoride opal glasses tinted in a shade lying in the range from "cream-like" to "beige" by an iron-sulfur system, the analyzed quantities of sulfur (S), sulfide ions (S.sup.-2), iron (Fe), and ferric ions (Fe.sup.+3) conforming to the following expressions:

REFERENCES:
patent: 4311529 (1982-01-01), Danielson et al.
patent: 4331769 (1982-05-01), Danielson et al.
patent: 4469799 (1984-09-01), Dumbaugh, Jr.

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