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n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
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provhttp://www.w3.org/ns/prov#
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Subject Item
isa:49915284
rdf:type
prov:Entity
prov:value
A catalyst for the homopolymerization of ethylene and the copolymerization of ethylene with ??-olefins, comprising at least one transition metal, M, selected from the group consisting of the metals of groups IVa to VIa of the Periodic Table; magnesium, Mg; and at least one halogen, X, wherein said catalyst has the general formula Mn Mg(OR)2-m Xm+4n, wherein R is an alkyl radical containing from 1
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n4:com
Subject Item
isap:299051299
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isa:49915284