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Priority claimed from CH1015968Aexternal-prioritypatent/CH466310A/de
Priority claimed from CH1363868Aexternal-prioritypatent/CH466311A/de
Priority claimed from DK577368Aexternal-prioritypatent/DK122810B/da
Application filed by Hoechst AgfiledCriticalHoechst Ag
Publication of DK130961BpublicationCriticalpatent/DK130961B/da
Application grantedgrantedCritical
Publication of DK130961CpublicationCriticalpatent/DK130961C/da