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Procter and Gamble Co
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Procter and Gamble Co
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Priority claimed from GB3222272Aexternal-prioritypatent/GB1408144A/en
Application filed by Procter and Gamble CofiledCriticalProcter and Gamble Co
Publication of ES416757A2publicationCriticalpatent/ES416757A2/es
Metodo para preparar disoluciones acuosas de colorantes al azufre reducidos de elevada concentracion en colorante, incluidos los derivados por tionacion de indofenoles, comprendidos los del carbazol y betanaftilamina y sus productos de reducciën