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Priority claimed from JP63012286Aexternal-prioritypatent/JPH0791545B2/ja
Priority claimed from JP63012290Aexternal-prioritypatent/JPH0823024B2/ja
Priority claimed from JP63012287Aexternal-prioritypatent/JPH0791546B2/ja
Priority claimed from JP63012285Aexternal-prioritypatent/JPH0791544B2/ja
Priority claimed from JP63012288Aexternal-prioritypatent/JPH0791547B2/ja
Priority claimed from JP63012289Aexternal-prioritypatent/JPH0823023B2/ja
Application filed by Mitsui Petrochemical IndfiledCriticalMitsui Petrochemical Ind
Priority claimed from EP89300567Aexternal-prioritypatent/EP0325486B1/de
Application grantedgrantedCritical
Publication of ATE78861T1publicationCriticalpatent/ATE78861T1/de