Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB838331265Aexternal-prioritypatent/GB8331265D0/en
Priority claimed from GB848427101Aexternal-prioritypatent/GB8427101D0/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Priority claimed from EP84810560Aexternal-prioritypatent/EP0147366B1/de
Application grantedgrantedCritical
Publication of ATE34046T1publicationCriticalpatent/ATE34046T1/de