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Shell USA Inc
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Individual
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Priority claimed from US07/999,034external-prioritypatent/US5276118A/en
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Publication of CA2152931A1publicationCriticalpatent/CA2152931A1/fr
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Publication of CA2152931CpublicationCriticalpatent/CA2152931C/fr
Method for the preparation of catalyst components for the polymerization of ethylene to produce a polymer with a relatively narrow molecule weight distribution