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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority to ES205352ApriorityCriticalpatent/ES205352A1/es
Publication of ES205352A1publicationCriticalpatent/ES205352A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Extraction Or Liquid Replacement
(AREA)
ES205352A1952-09-121952-09-12Un método de purificar soluciones acuosas impuras que contienen vitamina b12, y variantes de la misma
ExpiredES205352A1
(es)
Un nuevo procedimiento para la preparaciën del tiosulfato calcico a fin de aumentar su estabilidad durante su preparaciën, asi como la de sus disoluciones