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 US06/590,463external-prioritypatent/US4315928A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Publication of ATA422778ApublicationCriticalpatent/ATA422778A/de
Application grantedgrantedCritical
Publication of AT362961BpublicationCriticalpatent/AT362961B/de