Process for producing inorganic granules and the use therefor
AssigneeBayer Aktiengesellschaft
InventorsGunter Linde, Lothar Steiling
Life of this patent
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Abstract
The present invention relates to a process for producing inorganic granules and to their use for the coloring of building materials, particularly concrete, asphalt, plaster, mortar and cement mortar, and for the production of paints for the protection of buildings.
Claims7
A process for producing inorganic pigment granules and inorganic filler granules which comprise of one or more pigments or fillers and one or more inorganic binders, which have a water content of not more than 5% by weight, and the particle diameter of which is between 100 .mu.m and 2 mm, comprising the steps of adding a salt as a binder to an aqueous suspension of pigment or filler, and adding an organic or metallo-organic liquefying agent in addition, and subsequently converting the suspension into granules, wherein the organic liquefying agent or the organic fraction in the metallo-organic liquefying agent is thermally decomposed without organic residues remaining in the granular material.
Dependencies are inferred from the claim text.