Pigment dispersions and cosmetic products containing the same
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United States of America Patent
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Sep 14, 2004
Grant Date -
Dec 25, 2003
app pub date -
Jun 25, 2002
filing date -
Jun 25, 2002
priority date (Note) -
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Abstract
A pigment containing particles surface treated with N-acylglycine hydroxyaluminum and/or N-acyl-N-methylglycine hydroxyaluminum, and a pigment dispersion which contains such surface treated particles and a cosmetically acceptable oily material, having excellent dispersion stability and versatility (ease of dispersion and wide range of usage), because the particles are easily and uniformly dispersed in a short period of time at a high concentration in such a cosmetically acceptable oily material, thus a cosmetic product is thereby stable as an emulsion and has better usage than existing products.
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