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Priority claimed from IT21313/86Aexternal-prioritypatent/IT1197024B/it
Priority claimed from IT8622745Aexternal-prioritypatent/IT1213565B/it
Application filed by Enichem Anic SpafiledCriticalEnichem Anic Spa
Priority claimed from EP87110281Aexternal-prioritypatent/EP0254976B1/de
Application grantedgrantedCritical
Publication of ATE53567T1publicationCriticalpatent/ATE53567T1/de