Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use

Solicitante: Kuntstmann, H.|Krauter, U.|Rosenhahn, C.|Moringen, H.J.
N. de solicitud: US20050301682
N. de publicación: US2006133991

The present invention relates to reduction- and oxidation-stable iron oxide black pigments having high colour strength, the preparation thereof and the use thereof.

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