ES205352A1 - A method of purifying impured aqueous solutions containing vitamin b12, and variants of the same (Machine-translation by Google Translate, not legally binding)
- Google Patents
A method of purifying impured aqueous solutions containing vitamin b12, and variants of the same (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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Wyeth Holdings LLC
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American Cyanamid Co
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Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority to ES205352ApriorityCriticalpatent/ES205352A1/en
Publication of ES205352A1publicationCriticalpatent/ES205352A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Extraction Or Liquid Replacement
(AREA)
Abstract
Method of purifying impure aqueous solutions containing vitamin b12 and variants thereof characterized by contacting the impure aqueous solution with a zirconium compound substantially insoluble in water whereby the impurities are absorbed thereon and separating the purified aqueous solution containing vitamin b12 from the zirconium compound and the impurities absorbed thereon. (Machine-translation by Google Translate, not legally binding)
ES205352A1952-09-121952-09-12A method of purifying impured aqueous solutions containing vitamin b12, and variants of the same (Machine-translation by Google Translate, not legally binding)
ExpiredES205352A1
(en)
A method of purifying impured aqueous solutions containing vitamin b12, and variants of the same (Machine-translation by Google Translate, not legally binding)
A method of purifying impured aqueous solutions containing vitamin b12, and variants of the same (Machine-translation by Google Translate, not legally binding)
A method of purifying impured aqueous solutions containing vitamin b12, and variants of the same (Machine-translation by Google Translate, not legally binding)
A method of purifying impured aqueous solutions containing vitamin b12, and variants of the same (Machine-translation by Google Translate, not legally binding)
A new procedure for the preparation of calcium tiosulfate to increase its stability during its preparation, as well as its dissolutions (Machine-translation by Google Translate, not legally binding)