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Priority claimed from US07/093,436external-prioritypatent/US4806528A/en
Priority claimed from US07/197,480external-prioritypatent/US4959501A/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Application grantedgrantedCritical
Publication of ATE84784T1publicationCriticalpatent/ATE84784T1/de