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.)
Shin-Etsu Chemical Co Ltd
Astellas Pharma Inc
Original Assignee
Shin-Etsu Chemical Co Ltd
Fujisawa Pharmaceutical Co Ltd
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 Shin-Etsu Chemical Co Ltd, Fujisawa Pharmaceutical Co LtdfiledCriticalShin-Etsu Chemical Co Ltd
Priority to JP7471375ApriorityCriticalpatent/JPS5933589B2/en
Publication of JPS52255ApublicationCriticalpatent/JPS52255A/en
Publication of JPS5933589B2publicationCriticalpatent/JPS5933589B2/en