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Priority claimed from AT131997Aexternal-prioritypatent/AT405399B/de
Priority claimed from AT191097Aexternal-prioritypatent/AT405400B/de
Application filed by Dsm Fine Chem Austria GmbhfiledCriticalDsm Fine Chem Austria Gmbh
Priority claimed from EP98114041Aexternal-prioritypatent/EP0895990B1/de
Application grantedgrantedCritical
Publication of ATE248816T1publicationCriticalpatent/ATE248816T1/de