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Priority claimed from JP62066918Aexternal-prioritypatent/JPS63230048A/ja
Priority claimed from JP62208501Aexternal-prioritypatent/JPS6451047A/ja
Priority claimed from JP62233268Aexternal-prioritypatent/JPS6474962A/ja
Application filed by Sumitomo Seika ChemicalsfiledCriticalSumitomo Seika Chemicals
Priority claimed from EP88302278Aexternal-prioritypatent/EP0283257B1/de
Application grantedgrantedCritical
Publication of ATE84398T1publicationCriticalpatent/ATE84398T1/de