Basf Aktiengesellschaft

Wieland Jenet

Robert Bayer

Reinhold Rieger

Achim Grefenstein

Guenter Etzrodt

A pigment formulation in granule form obtainable by a) dispersing at least two different pigments (A) in a solution of a thermoplastic polymer (B) in an organic solvent in the presence or absence of a dispersant (C), and b) applying as a layer the dispersion produced in step a) to granules of a thermoplastic polymer (B'), which is the same as the polymer (B), with removal of the solvent, wherein the pigment formulation includes the granules of the thermoplastic polymer (B&#x2032;); and a coating on the granules of the thermoplastic polymer (B&#x2032;), where the coating comprises the at least two different pigments (A) and the thermoplastic polymer (B).

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Worms, Germany

Wieland Jenet