Neue Pigmentsalze und deren Verwendung zum Färben und Pigmentieren
The use of pigments salts (I) with a specified anion for colouration and pigmentation is claimed. (I) have 2,4,7,9-tetra-oxo-pyrimido(4,5-g)pteridine anion of formula (II), in one tautomeric form. Also claimed is (I), which has metal and/or H cations, excluding (I) with K, Ag and/or Na cations.
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Zusammenfassung: | The use of pigments salts (I) with a specified anion for colouration and pigmentation is claimed. (I) have 2,4,7,9-tetra-oxo-pyrimido(4,5-g)pteridine anion of formula (II), in one tautomeric form. Also claimed is (I), which has metal and/or H cations, excluding (I) with K, Ag and/or Na cations. |
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