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Publication of BE705375ApublicationCriticalpatent/BE705375A/fr
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
Composition à base d'un sulfure de terre rare comprenant au moins un élément alcalin, son procédé de préparation et son utilisation comme pigment coloré.
Procede pour stabiliser des pigments au vanadate de bismuth contre l'attaque par l'acide chlorhydrique, et matieres organiques macromoleculaires qui ont ete colorees par des pigments ainsi stabilises.