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Priority claimed from DE19823212137external-prioritypatent/DE3212137A1/en
Priority claimed from DE19823212136external-prioritypatent/DE3212136A1/en
Priority claimed from DE19823219049external-prioritypatent/DE3219049A1/en
Application filed by Basf AgfiledCriticalBasf Ag
Priority claimed from EP83102919Aexternal-prioritypatent/EP0091022B1/en
Application grantedgrantedCritical
Publication of ATE16590T1publicationCriticalpatent/ATE16590T1/en