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Priority claimed from JP6823882Aexternal-prioritypatent/JPS58187186A/ja
Priority claimed from JP12391782Aexternal-prioritypatent/JPS5914798A/ja
Priority claimed from JP57162976Aexternal-prioritypatent/JPS5951789A/ja
Priority claimed from JP57169428Aexternal-prioritypatent/JPS5959189A/ja
Application filed by Wako Pure Chem Ind LtdfiledCriticalWako Pure Chem Ind Ltd
Priority claimed from EP19830104036external-prioritypatent/EP0092829B1/de
Application grantedgrantedCritical
Publication of ATE58174T1publicationCriticalpatent/ATE58174T1/de