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Priority claimed from US06/141,141external-prioritypatent/US4313916A/en
Application filed by Union Carbide CorporationfiledCriticalUnion Carbide Corporation
Priority claimed from EP80301571Aexternal-prioritypatent/EP0020051B1/en
Application grantedgrantedCritical
Publication of ATE5532T1publicationCriticalpatent/ATE5532T1/en