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
Priority claimed from GB17410/74Aexternal-prioritypatent/GB1508977A/en
Application filed by Beecham Group LtdfiledCriticalBeecham Group Ltd
Priority claimed from AT298577Aexternal-prioritypatent/AT349179B/de
Publication of ATA205277ApublicationCriticalpatent/ATA205277A/de
Application grantedgrantedCritical
Publication of AT350718BpublicationCriticalpatent/AT350718B/de