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 US05/872,769external-prioritypatent/US4171381A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to AT0293780ApriorityCriticalpatent/AT366237B/de
Publication of ATA293780ApublicationCriticalpatent/ATA293780A/de
Application grantedgrantedCritical
Publication of AT366237BpublicationCriticalpatent/AT366237B/de