Abstract: The present invention relates to the product from the reaction of a basic polyaluminum or aluminum salt with an amino acid-based anionic surfactant. This agent is espectially effective for improving the chroma and brightness of pigments, even when such pigment is treated with the polyaluminum salt by mixing. In addition to this, the polyaluminum salt increases the lipophilic properties of the pigment, which improves their oil-dispersability and also prevents bleeding of the pigments.

Abstract: The present invention relates to the product from the reaction of a basic polyaluminum or aluminum salt with a resin acid or its salt; said resin acid being derived from a rosin or a modified rosin. This agent is especially effective for improving the chroma and brightness of pigments when such pigment is treated with the polyaluminum salt by e.g. mixing. In addition to this, the polyaluminum salt increases the lipophilic properties of the pigments, which improves their oil-dispersability and also the pigments treated with the polyaluminum salt are essentially free from bleeding.

Abstract: An excellent hydrophilic or lipophilic property is given to a powdery or granular solid substance by reacting a basic polyaluminium salt with an acid or its salt in the presence of the powdery or granular solid substance.