Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB3899472Aexternal-prioritypatent/GB1362497A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to AT736572ApriorityCriticalpatent/AT320769B/de
Priority claimed from DE19722243311external-prioritypatent/DE2243311C3/de
Application grantedgrantedCritical
Publication of AT320769BpublicationCriticalpatent/AT320769B/de