Pigments treated with organo-phosphoric acids and their salts
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United States of America Patent
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Mar 30, 2004
Grant Date -
Jul 25, 2002
app pub date -
Nov 26, 2001
filing date -
Nov 27, 2000
priority date (Note) -
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Abstract
A unique treatment for pigments is provided. This treatment, which uses certain organo-phosphoric acids and/or their salts, imparts improved physical and chemical qualities including lacing resistance, improved dispersion and decreased chemical reactivity when these treated pigments are incorporated into polymeric matrices.
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