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Priority claimed from JP26258487Aexternal-prioritypatent/JPH01108239A/ja
Priority claimed from JP62262585Aexternal-prioritypatent/JPH0826188B2/ja
Priority claimed from JP26258387Aexternal-prioritypatent/JPH01108238A/ja
Priority claimed from JP26258687Aexternal-prioritypatent/JPH07119348B2/ja
Application filed by Mitsui Petrochemical IndfiledCriticalMitsui Petrochemical Ind
Priority claimed from EP88309880Aexternal-prioritypatent/EP0314396B1/de
Application grantedgrantedCritical
Publication of ATE101630T1publicationCriticalpatent/ATE101630T1/de