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Priority claimed from FR9003368Aexternal-prioritypatent/FR2659337B1/en
Application filed by Bp Chem Int LtdfiledCriticalBp Chem Int Ltd
Publication of ID891BpublicationCriticalpatent/ID891B/en
PROCESS FOR THE PREPARATION OF A CATALYST BASED ON ZIRCONIUM, TITANIUM AND / OR VANADIUM SUPPORTED ON MAGNESIUM CHLORIDE, AND USE OF THE CATALYST IN OLEFIN POLYMERIZATION.