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 US06/012,720external-prioritypatent/US4302565A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to AT314781ApriorityCriticalpatent/AT367435B/de
Publication of ATA314781ApublicationCriticalpatent/ATA314781A/de
Application grantedgrantedCritical
Publication of AT367435BpublicationCriticalpatent/AT367435B/de