SELF-DISPERSED PIGMENTS AND METHODS FOR MAKING AND USING THE SAME
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United States of America Patent
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app pub date -
Aug 21, 2009
filing date -
Aug 23, 2007
priority date (Note) -
Abandoned
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Abstract
A modified pigment that may include a polymer. The pigment may be directly attached to a nitrogen atom. The nitrogen atom may be attached directly or indirectly to a group that may include —S-Z. S may be a substituted or unsubstituted alkyl group, substituted or unsubstituted aromatic group, or polymer chain having a molecular weight range from about 300 to about 20000. Z may be a hydrogen, carboxyl, sulfonyl, phenolic, phosphoryl, ammonium, trimethylammonium, or tributylammonium group. Also, a modified pigment that may include a polymer. The pigment may be attached to an organic group through a carbon atom that is part of a N—C═N bond. A cosmetic formulation that may include a pigment covalently bonded to an organic group.
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