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 FR8607957Aexternal-prioritypatent/FR2599362B1/en
Priority claimed from FR8706106Aexternal-prioritypatent/FR2614616B2/en
Application filed by Hoechst FrancefiledCriticalHoechst France
Priority claimed from EP87401227Aexternal-prioritypatent/EP0249530B1/en
Application grantedgrantedCritical
Publication of ATE55978T1publicationCriticalpatent/ATE55978T1/en