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Priority claimed from JP1013985Aexternal-prioritypatent/JP2767851B2/ja
Priority claimed from JP8701489Aexternal-prioritypatent/JP2788474B2/ja
Application filed by Mitsui Toatsu ChemicalsfiledCriticalMitsui Toatsu Chemicals
Priority claimed from EP90300725Aexternal-prioritypatent/EP0381362B1/de
Application grantedgrantedCritical
Publication of ATE99665T1publicationCriticalpatent/ATE99665T1/de