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Publication date
Priority claimed from DE2022503Aexternal-prioritypatent/DE2022503B2/de
Priority claimed from DE19702046848external-prioritypatent/DE2046848C3/de
Priority claimed from DK220771Aexternal-prioritypatent/DK137861C/da
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to DK442473ApriorityCriticalpatent/DK138543C/da
Publication of DK138543BpublicationCriticalpatent/DK138543B/da
Application grantedgrantedCritical
Publication of DK138543CpublicationCriticalpatent/DK138543C/da