Azoacylacetamide dispersing agents and azo-pigment compositions
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United States of America Patent
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May 12, 1987
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N/A
app pub date -
Feb 25, 1985
filing date -
Feb 25, 1985
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Expired
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Abstract
This invention is directed to new azoacylacetamide dispersing agents for azo pigments and azo pigment compositions made therefrom. The pigment compositions of this invention comprise a mixture of dispersing agents which are represented below by abbreviated Formula I and pigments which are represented by the abbreviated Formula II, wherein said dispersing agents are present in an amount of 1-25% and said pigments are present in an amount of 99 to 75%: ##STR1## where: A is an aromatic or heterocyclic amino group; B is an aromatic or heterocyclic bisdiazonium group; D is an aliphatic polyamino group containing at least three nitrogen atoms.
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