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Priority claimed from JP4052685Aexternal-prioritypatent/JPS61199799A/en
Priority claimed from JP14416885Aexternal-prioritypatent/JPS623799A/en
Priority claimed from JP26525785Aexternal-prioritypatent/JPS62126998A/en
Application filed by Wako Pure Chem Ind LtdfiledCriticalWako Pure Chem Ind Ltd
Priority claimed from EP86102657Aexternal-prioritypatent/EP0193204B1/en
Application grantedgrantedCritical
Publication of ATE54169T1publicationCriticalpatent/ATE54169T1/en