Hydrated zinc stannate sols, coating compositions and optical elements
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United States of America Patent
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Apr 6, 1999
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N/A
app pub date -
Jun 6, 1996
filing date -
Jun 13, 1995
priority date (Note) -
Expired
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Abstract
A sol having dispersed in a liquid medium particles of a hydrated zinc stannate having a primary particle diameter of from 2 to 200 nm and represented by the formula xZnO.ySnO.sub.2.zH.sub.2 O wherein the molar ratio of x:y:z is 1:0.83 to 1.43:1.00 to 5.00.
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