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Bayer AG
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Bayer AG
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Priority to ES447947ApriorityCriticalpatent/ES447947A1/es
Publication of ES447947A1publicationCriticalpatent/ES447947A1/es
Vanduoploselige gule acetoacetylaminobenzimidazolongruppeholdige monoazofarvestoffer til anvendelse som pigmenter til pigmentering af hojmolekylert organisk materiale trykfarver og lakker
Mejoras introducidas en el objeto de la patente principal, num. 447.947, concedida el 12-7-77, por: ÿprocedimiento parala produccion de soluciones concentradas estables de colo- rantes basicos