Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Merck and Co Inc
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Merck and Co Inc
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Publication date
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Publication of ES204114A1publicationCriticalpatent/ES204114A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para separar las substancias activas en vitamina de las impurezas que las acompañan que consiste en tratar una solución conteniendo dichas substancias activas e impurezas con un producto de cambio aniónico en presencia de iones cianuro.
ES0204114A1951-06-131952-06-11Un procedimiento para separar las sustancias activas en vitamina b12 de las impurezas que las acompanan
ExpiredES204114A1
(es)