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Priority claimed from DE2332486Aexternal-prioritypatent/DE2332486A1/de
Priority claimed from DK341674Aexternal-prioritypatent/DK341674A/da
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to DK354176ApriorityCriticalpatent/DK138799C/da
Publication of DK354176ApublicationCriticalpatent/DK354176A/da
Publication of DK138799BpublicationCriticalpatent/DK138799B/da
Application grantedgrantedCritical
Publication of DK138799CpublicationCriticalpatent/DK138799C/da