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Priority claimed from US06/549,408external-prioritypatent/US4524196A/en
Priority claimed from US06/549,409external-prioritypatent/US4508880A/en
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Priority claimed from EP84307669Aexternal-prioritypatent/EP0145263B1/de
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Publication of ATE62698T1publicationCriticalpatent/ATE62698T1/de
Process for preparing "living" polymers using tetracoordinate organosilicon, organotin or organogermanium polymerization initiator with bifluoride ion source co-catalyst