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Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries Ltd
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Application filed by Mitsui Petrochemical Industries LtdfiledCriticalMitsui Petrochemical Industries Ltd
Priority to JP6630677ApriorityCriticalpatent/JPS541359A/en
Publication of JPS541359ApublicationCriticalpatent/JPS541359A/en
Publication of JPS6139341B2publicationCriticalpatent/JPS6139341B2/ja
PURPOSE:Poly-4-methyl-1-pentene is incorporated with a triazole compound, a hydrozine compound and a phosphite to provide title composition with good stability event in the presence of copper, being useful as electric insulators and wires.