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 NZ184083Aexternal-prioritypatent/NZ184083A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to NZ193266ApriorityCriticalpatent/NZ193266A/en
Publication of NZ193266ApublicationCriticalpatent/NZ193266A/en