COLORANTS SURFACE TREATED WITH URETHANES AND METHODS FOR MAKING AND USING THE SAME
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United States of America Patent
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Issued Date -
Jul 23, 2009
app pub date -
Oct 12, 2006
filing date -
May 1, 2006
priority date (Note) -
Abandoned
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Abstract
Compositions including colorants surface-treated with silicone polyurethanes, and methods for making surface-treated colorant products, are provided. Cosmetic, . . . personal care, skin care, nail and hair products including the surface treated colorants are disclosed. Also provided are methods for improving the hydrophobicity, or the adherence to the surface of skin, of a colorant. The methods include surface-treating a colorant with an effective amount of a silicone polyurethane to form a surface-treated colorant having an improved hydrophobilicy or an improved adherence to a skin surface compared to the colorant before surface-treatment.
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