The invention relates to the addition of sulfonated zinc, manganese, or aluminum phthalocyanines to inorganic fillers and pigments for enhancing their whiteness, brightness and chromaticity, as well as to the fillers and pigments and mixtures thereof so obtained, and to the use thereof in e.g. paper manufacture.

L'invention concerne l'addition de sulfonated le zinc, les phtalocyanines de manganèse et ou en aluminium aux remplisseurs inorganiques et les colorants pour augmenter leur blancheur, éclat et chromaticité, comme aux remplisseurs et les colorants et leurs mélanges ainsi l'a obtenu, et à l'utilisation en dans par exemple la fabrication de papier.

 
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