POLYMERIC DISPERSANTS
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United States of America Patent
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Issued Date -
Oct 18, 2012
app pub date -
Jun 20, 2012
filing date -
May 25, 2006
priority date (Note) -
Abandoned
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Abstract
Dispersants for pigments as well as dispersions containing them, and compositions such as inks and coatings containing them are described. The dispersants are the reaction product of at least one dianhydride with at least two different reactants, each of which can be an amine, alcohol, or thiol, and at least one of which is polymeric.
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