PROCESSO PARA OBTENCAO DE PIGMENTOS DE FTALOCIANINA DA MODIFICACAO BETA FACILMENTE DISPERSIVEIS,E APLICACAO DOS MESMOS
1502884 Preparing pigments HOECHST AG 7 Aug 1975 [21 Aug 1974] 33013/75 Heading C4P The #-modification of copper phthalocyanine pigments is prepared by subjecting the #-form of a highly pure copper phthalocyanine (as defined) to mechanical fine dispersion together with a compound of the general form...
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