专利名称：Azo compounds deriving from amino
benzoic acid anilides and acetoacetylamino-benzimidazolone
发明人：Klaus Hunger,Manfred Pesenacker申请号：US06/256085申请日：19810421公开号：US04504416A公开日：19850312
摘要：When diazotizing a p-amino-benzoic acid anilide, the anilide nucleus of which issubstituted in its paraposition by carbamoyl, acetamino or chloro and coupling it onto 5-acetoacetylamino- benzimidazolone-(2) monoazo pigments are obtained having a highfastness to light, solvents, overlacquering and bleeding and a very high heat resistance.
申请人：HOECHST AKTIENGESELLSCHAFT
代理机构：Curtis, Morris & Safford
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