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US6040372A Hydrated zinc stannate sols, coating compositions and optical elements 失效
水合的锡酸锌溶胶,涂料组合物和光学元件

Hydrated zinc stannate sols, coating compositions and optical elements
摘要:
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.multidot.ySnO.sub.2 .multidot.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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