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Priority claimed from US07/024,224external-prioritypatent/US4837255A/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Priority claimed from EP88810134Aexternal-prioritypatent/EP0282453B1/en
Application grantedgrantedCritical
Publication of ATE75616T1publicationCriticalpatent/ATE75616T1/en