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Priority claimed from FR9003368Aexternal-prioritypatent/FR2659337B1/fr
Application filed by Bp Chem Int LtdfiledCriticalBp Chem Int Ltd
Publication of ID891BpublicationCriticalpatent/ID891B/id
Procede de preparation d'un catalyseur a base de zirconium, de titane et/ou de vanadium supporte sur du chlorure de magnesium, et utilisation du catalyseur dans la polymerisation des olefines.