A method for preparing fillers, for paper, cardboard and similar products, comprising the formation of an aqueous suspension of mineral particles and mixing of the suspension of mineral particles with a water-soluble compound, characterized in that such a water-soluble product coagulates in the presence of the mineral particles in such a way that the particles are coated with the compound, soluble in water, coagulated. (Machine-translation by Google Translate, not legally binding)
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