Lead/alkaline earth metal silicates and vitrescible compositions comprised thereof
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United States of America Patent
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Sep 16, 1986
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N/A
app pub date -
Jan 10, 1983
filing date -
Feb 22, 1979
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Expired
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Abstract
SiO.sub.2 /MeO metallic silicates, wherein Me is lead or an alkaline earth metal, have a molar ratio of SiO.sub.2 to MeO of greater than 2, and same are well suited as pigments, fillers, and especially as glass-formers.
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