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专利名称：Catalyst for regulating the molecular weight
distribution of ethylene polymers
发明人：Sun-Chueh Kao,Frederick J. Karol申请号：US07/442581申请日：191129公开号：US04988784A公开日：19910129
摘要：A vanadium-based catalyst is treated with certain phosphorus- containingcompounds as a means of narrowing and effectively regulating the molecular weightdistribution of the polymers produced with the catalyst.
申请人：UNION CARBIDE CHEMICALS AND PLASTICS COMPANY INC.
代理人：John S. Piscitello
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