Patent ID: 6432196
Filing Date: 2002-08-13
Classification: C01P,C04B,C08K,C08L,C09C,C09D

Abstract:
A process of using granular materials produced bya) mixing one or more inorganic pigments with one or more auxiliary substances promoting processability, b) subjecting this mixture to a pressing or briquetting step to produce a pressed or briquetted product, c) comminuting the pressed or briquetted product to produce a comminuted product, d) dividing the comminuted product into two or more fractions, and e) removing a first fraction of particles having at least 85% of the particles at least 80 &mgr;m, which forms a granular product fraction, wherein the process of using comprises mixing the first fraction with at least one material selected from the group consisting of building material and organic media for coloring the at least one material selected.