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.)
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Publication date
Priority claimed from GB4189775Aexternal-prioritypatent/GB1565209A/en
Priority claimed from DK457476Aexternal-prioritypatent/DK457476A/da
Application filed by Beecham Group LtdfiledCriticalBeecham Group Ltd
Priority to DK370680ApriorityCriticalpatent/DK370680A/da
Publication of DK370680ApublicationCriticalpatent/DK370680A/da