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Publication date
Priority claimed from US05/485,869external-prioritypatent/US4108995A/en
Priority claimed from AT517275Aexternal-prioritypatent/AT339917B/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT592776ApriorityCriticalpatent/AT343678B/de
Publication of ATA592776ApublicationCriticalpatent/ATA592776A/de
Application grantedgrantedCritical
Publication of AT343678BpublicationCriticalpatent/AT343678B/de