| abstract |
DISPERSIONS OF INORGANIC PIGMENTS OR LAKES OR TONERS IN ORGANIC LIQUIDS WHICH CONTAIN DISSOLVED THEREIN ONE OR MORE POLYESTERS OR A SLAT THEREOF DERIVED FROM A HYDROXYCARBOXYLIC ACID OF THE FORMULA: HO-X-COOH WHEREIN X IS A DIVALENT SATURATED OR UNSATURATED ALIPHATIC RADICAL CONTAINIG AT LEAST 8 CARBON ATOMS AND IN WHICH THERE ARE AT LEAST 4 CARBON ATOMS BETWEEN THE HYDROXY AND CARBOXYLIC ACID GROUPS, OR FROM A MIXTURE OF SUCH A HYDROXYCARBOXYLIC ACID AND A CARBOXYLIC ACID WHICH IS FREE FROM HYDROXY GROUPS. THE DISPERSIONS ARE FINELY DIVIDED AND WELL DEFLOCCULATED, AND ARE VALUABLE IN THE MANUFACTURE OF INKS AND PAINTS. |