SURFACE-TREATED TITANIUM DIOXIDE PIGMENTS
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United States of America Patent
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app pub date -
Apr 22, 2015
filing date -
Oct 1, 2007
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Abstract
Coated titanium dioxide particles are provided and made from a method wherein a zirconium oxide coating and an aluminum oxide coating are formed on the surface of titanium dioxide particles. The zirconium oxide-forming and aluminum oxide-forming coating materials can be used to control the pH of the surface treatment process without the need for adding pH controlling agents.
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