| abstract |
compositions and methods comprising pigments and polyprotic dispersing agents. The present invention relates to a pigment composition comprising a base particle and a dispersing agent, the dispersing agent comprising a salt and / or ester of: (i) an amine, alcohol, and / or amine alkanol and (ii) ) a polyprotic acid, wherein the molar ratio of amine, alcohol, and / or amine alkanol to polyprotic acid is greater than 3: 1. In various embodiments, pigments have increased stability, masking property, hue intensity and / or gloss. |