Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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NIPPON II P RUBBER KK
Original Assignee
NIPPON II P RUBBER KK
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Filing date
Publication date
Application filed by NIPPON II P RUBBER KKfiledCriticalNIPPON II P RUBBER KK
Priority to JP13593679ApriorityCriticalpatent/JPS5659816A/ja
Priority to DE19803037748prioritypatent/DE3037748A1/de
Priority to NL8005520Aprioritypatent/NL8005520A/nl
Priority to IT25138/80Aprioritypatent/IT1132915B/it
Publication of JPS5659816ApublicationCriticalpatent/JPS5659816A/ja
Priority to US06/281,048prioritypatent/US4377671A/en
Publication of JPH0118085B2publicationCriticalpatent/JPH0118085B2/ja
Process for the catalytic preparation of polymers or copolymers of alpha-olefins having a high isotacticity index, and composition based on titanium chloride suitable as component of the catalytic systems used in this process
Catalytic solid usable for the stereospecific polymerisation of alpha-olefins, process for preparing it and process for polymerising alpha-olefins in its presence