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Priority claimed from US05/686,425external-prioritypatent/US4077090A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to AT750278ApriorityCriticalpatent/AT379937B/de
Publication of ATA750278ApublicationCriticalpatent/ATA750278A/de
Application grantedgrantedCritical
Publication of AT379937BpublicationCriticalpatent/AT379937B/de