Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienes

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United States of America Patent

PATENT NO 11872548
APP PUB NO 20210245145A1
SERIAL NO

17204570

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Abstract

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An oxo-nitrogenated iron complex having general formula (I) or (II) wherein: R1 and R2 identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; R3, identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; X1 and X2, identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine; or are selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, —OCOR4 groups or —OR4 groups wherein R4 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups. Said oxo-nitrogenated iron complex having general formula (I) or (II) can be advantageously used in a catalytic system for the (co)polymerization of conjugated dienes.

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VERSALIS S P APIAZZA BOLDRINI 1 SAN DONATO MILANESE 1-20097

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leone, Giuseppe Milan, IT 28 32
Masi, Francesco S. Angelo Lodigiano, IT 75 239
Pampaloni, Guido Pontedera, IT 19 18
Ricci, Giovanni Parma, IT 30 30
Sommazzi, Anna Novara, IT 58 129

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