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Priority claimed from DE2256445Aexternal-prioritypatent/DE2256445C3/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Publication of DK231883D0publicationCriticalpatent/DK231883D0/da
Publication of DK231883ApublicationCriticalpatent/DK231883A/da
Publication of DK147794BpublicationCriticalpatent/DK147794B/da
Application grantedgrantedCritical
Publication of DK147794CpublicationCriticalpatent/DK147794C/da