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Kalle GmbH and Co KG
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Kalle GmbH and Co KG
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Publication of ES246894A1publicationCriticalpatent/ES246894A1/es
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
(AREA)
Abstract
Un procedimiento de obtención de un material monocomponente de diazotipia caracterizado por el hecho de formar su capa sensibilizada con compuestos diazoicos a base de p-fenilenodiaminas correspondientes a la fórmula general: **(Ver fórmula)** o bien a la fórmula general **(Ver fórmula)** en las cuales R significa un radical alquílico con cadena recta o ramificada con un mínimo de tres átomos de carbono y **(Ver fórmula)** viene a expresar el resto de un anillo heterocíclico.
ES0246894A1958-01-181959-01-17Procedimiento de obtencion de un material monocomponente de diazotipia
ExpiredES246894A1
(es)