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.)
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Priority claimed from US05/727,987external-prioritypatent/US4072751A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to AT640379ApriorityCriticalpatent/AT361940B/en
Publication of ATA640379ApublicationCriticalpatent/ATA640379A/en
Application grantedgrantedCritical
Publication of AT361940BpublicationCriticalpatent/AT361940B/en