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Priority claimed from US06/458,587external-prioritypatent/US4443245A/en
Priority claimed from US06/563,841external-prioritypatent/US4562210A/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Application grantedgrantedCritical
Publication of ATE28074T1publicationCriticalpatent/ATE28074T1/en