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Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Kasei Corp
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Application filed by Mitsubishi Kasei CorpfiledCriticalMitsubishi Kasei Corp
Priority to JP9952281ApriorityCriticalpatent/JPS581706A/ja
Publication of JPS581706ApublicationCriticalpatent/JPS581706A/ja
Publication of JPH0132847B2publicationCriticalpatent/JPH0132847B2/ja
Catalytic solid to be used in stereospecific polymerization of alpha-olefins, process for its preparation and process for polymerizing alpha-olefins in its presence