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Wyeth Holdings LLC
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American Cyanamid Co
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Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Publication of ES236407A1publicationCriticalpatent/ES236407A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Método de recuperación de tetraciclina desde soluciones que la contienen, caracterizado por poner en contacto una solución en metil-alquil-ostona de tetraciclina cruda con agua acidulada, separar la fase acuosa resultante que contiene la tetraciclina de la fase disolvente, ajustar el ph de dicha fase acuosa a un valor comprendido entre 2,0 y 4,0, aproximadamente, y recuperar base libre de tetraciclina por cristalización de dicha fase acuosa.
ES0236407A1956-07-231957-07-06Un metodo de recuperacion de tetraciclina desde soluciones que la contienen
ExpiredES236407A1
(es)