摘要 |
1. Process for the production of pigment alloys, characterized in that a mixture consisting of at least two pigments differing from one another by essential structural features and being from different groups of the perylene, phthalocyanine, perinone, quinacridone, quinophtalone, isoindolinone, isoindoline, dioxazine, anthraquinoid, thioindigo, azo, methine and azomethine series is subject to thorough wet-grinding in water. |