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Priority claimed from DD32771789Aexternal-prioritypatent/DD297854B5/en
Priority claimed from DD32771889Aexternal-prioritypatent/DD300038A7/en
Application filed by Basf Schwarzheide GmbhfiledCriticalBasf Schwarzheide Gmbh
Priority claimed from EP90106538Aexternal-prioritypatent/EP0393432B1/en
Application grantedgrantedCritical
Publication of ATE87046T1publicationCriticalpatent/ATE87046T1/en