Method for the surface treatment of a titanium dioxide pigment
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United States of America Patent
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Jan 23, 2007
Grant Date -
Feb 12, 2004
app pub date -
Aug 8, 2003
filing date -
Aug 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and material for improved TiO.sub.2 pigment for paper and laminates is described. Phosphorous, titanium, and aluminum compounds are successively added to a TiO.sub.2 pigment suspension. Resulting pigments show improved greying resistance and hiding power over prior art pigments, and show improved results as pigments in tests of paper and laminates.
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