ES218455A1 - A procedure for the preparation of stabilized esters of vitamin a (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of stabilized esters of vitamin a (Machine-translation by Google Translate, not legally binding)
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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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Priority to ES218455ApriorityCriticalpatent/ES218455A1/en
Publication of ES218455A1publicationCriticalpatent/ES218455A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for the preparation of stabilized vitamin A esters, characterized in that said vitamin A esters are stabilized with N, N'' - diphenyl-p-phenylenediamine. (Machine-translation by Google Translate, not legally binding)
ES218455A1954-11-161954-11-16A procedure for the preparation of stabilized esters of vitamin a (Machine-translation by Google Translate, not legally binding)
ExpiredES218455A1
(en)