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1. 发明申请

US20170349682A1 OXO-NITROGENATED VANADIUM COMPLEX, CATALYTIC SYSTEM COMPRISING SAID OXO-NITROGENATED VANADIUM COMPLEX AND PROCESS FOR (CO)POLYMERISING CONJUGATED DIENES 审中-公开
公开(公告)号：US20170349682A1
公开(公告)日：2017-12-07
申请号：US15538338
申请日：2015-12-23
申请人： VERSALIS S.p.A.
发明人： Guido PAMPALONI , Giovanni RICCI , Anna SOMMAZZI , Francesco MASI , Giuseppe LEONE
IPC分类号： C08F136/06 , C08F4/68 , C08F136/08
CPC分类号： C08F136/06 , C08F4/68043 , C08F4/6812 , C08F136/08
摘要： An oxo-nitrogenated vanadium complex having the general formula (I): in which: R1, R2, R3, R4, R5, R6 and R7, mutually identical or different, represent a hydrogen atom; or are selected from optionally halogenated, linear or branched C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; X1 and X2, mutually identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, —OCOR8 groups or —OR8 groups in which R8 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups; Y is selected from ethers such as, for example, diethyl ether, tetrahydrofuran (THF), dimethoxyethane, preferably is tetrahydrofuran (THF); n is 0 or 1. Said oxo-nitrogenated vanadium complex having the general formula (I) may advantageously be used in a catalytic system for (co)polymerising conjugated dienes.

2. 发明申请

US20200024379A1 PROCESS FOR THE PREPARATION OF SYNDIOTACTIC 1,2-POLYBUTADIENE IN THE PRESENCE OF A CATALYTIC SYSTEM COMPRISING A PYRIDYL IRON COMPLEX 审中-公开
公开(公告)号：US20200024379A1
公开(公告)日：2020-01-23
申请号：US16341142
申请日：2017-10-20
申请人： VERSALIS S.P.A.
发明人： Anna SOMMAZZI , Guido PAMPALONI , Giovanni RICCI , Francesco MASI , Giuseppe LEONE
IPC分类号： C08F136/06 , C08F4/70 , C08F4/52 , A43B13/04
摘要： Process for the preparation of syndiotactic 1,2-polybutadiene comprising polymerising 1,3-butadiene in the presence of a catalytic system comprising: —at least one pyridyl iron complex having the general formula (I), in which: —R1 represents a hydrogen atom; or a methyl group; —R2 represents a hydrogen atom; or is selected from linear or branched C1-C10, preferably C1-C3, alkyl groups; —X, identical or different to one another, 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, —OCOR3 groups or —OR3 groups in which R3 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups; —n is 2 or 3; —at least one aluminoxane having the general formula (II), (R4)2-AI-O-[-AI(R5)—O-]m-AI-(R6)2 (ll) in which R4, R5 and R6, identical or different to one another, represent a hydrogen atom, or a halogen atom such as, for example, chlorine, bromine, iodine, fluorine; or are selected from linear or branched C1-C20 alkyl groups, cycloalkyi groups, aryl groups, said groups being optionally substituted with one or more silicon atoms or germanium; and m is an integer ranging from 0 to 1000; in which the molar ratio between the aluminium present in the aluminoxane having the general formula (II) and the iron present in the pyridyl iron complex having the general formula (I) is ranging from 5 to 20, preferably ranging from 8 to 12.

3. 发明申请

US20170247397A1 PYRIDINE COMPLEX OF ZIRCONIUM, CATALYTIC SYSTEM COMPRISING SAID PYRIDINE COMPLEX OF ZIRCONIUM AND PROCESS OF (CO)POLYMERIZATION OF CONJUGATED DIENES 审中-公开
公开(公告)号：US20170247397A1
公开(公告)日：2017-08-31
申请号：US15512332
申请日：2015-09-16
申请人： VERSALIS S.P.A.
发明人： Guido PAMPALONI , Giovanni RCCI , Anna SOMMAZZI , Francesco MASI , Giuseppe LEONE
IPC分类号： C07F7/00 , C08F136/06
CPC分类号： C07F7/003 , C08F4/60013 , C08F4/64013 , C08F136/06 , C08F4/64044
摘要： Pyridine complex of zirconium having general formula (I): Said pyridine complex of zirconium having general formula (I) may advantageously be used in a catalytic system for the (co)polymerization of conjugated dienes.

4. 发明申请

US20190270832A1 PROCESS FOR PREPARING CONJUGATED DIENE (CO)POLYMERS IN THE PRESENCE OF A CATALYTIC SYSTEM COMPRISING A PYRIDYL IRON (III) COMPLEX 审中-公开
公开(公告)号：US20190270832A1
公开(公告)日：2019-09-05
申请号：US16343716
申请日：2017-10-20
申请人： Versalis S.p.A.
发明人： Giovanni RICCI , Guido PAMPALONI , Anna SOMMAZZI , Massimo GUELFI , Francesco MASI
IPC分类号： C08F36/06 , C07F15/02 , C08F36/08
摘要： A process for preparing conjugated diene (co)polymers comprising polymerizing at least one conjugated diene in the presence of a catalytic system comprising: (a) at least one pyridyl iron (III) complex having general formula (I) or (II): wherein: —R1, R2, R3 and R4, 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; —R5 represents a hydrogen atom, or is selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; —X, 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, —OCOR6 groups or —OR6 groups wherein R6 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups. —n is 3; (b) at least one co-catalyst selected from organo-aluminum derivatives, preferably from: (b1) aluminum compounds having general formula (III): Al(R7)(R8)(R9) (IIl) wherein R7 represents a hydrogen atom, or is selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups, alkoxy groups; R8 and R9, identical or different, are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups; (b2) aluminoxanes having general formula (IV): (R10)2—Al—O—[-AI(R11)—O-]m-AI-(R12)2 (IV), wherein R10, R11 and R12, identical or different, represent a hydrogen atom, or a halogen atom such as chlorine, bromine, iodine, fluorine; or are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, said groups being optionally substituted with one or more silicon or germanium atoms; and m is an integer ranging from 0 to 1000; (b3) partially hydrolyzed organo-aluminum derivatives; (b4) haloaluminum alkyls having general formula (V) or (VI): AI(R13)p(X′)3-p (V) AI2(R13)q(X′)3-q (VI) wherein p is 1 or 2; q is an integer ranging from 1 to 5; R13, identical or different, are selected from linear or branched C1-C20 alkyl groups; X′ represents a chlorine or bromine atom, preferably chlorine; provided that said co-catalyst (b) is not selected from organo-boron derivatives.

5. 发明申请

US20180201702A1 NITROGEN TITANIUM COMPLEX, CATALYTIC SYSTEM COMPRISING SAID NITROGEN TITANIUM COMPLEX AND PROCESS FOR THE (CO)POLYMERIZATION OF CONJUGATED DIENES 审中-公开
公开(公告)号：US20180201702A1
公开(公告)日：2018-07-19
申请号：US15741896
申请日：2016-07-28
申请人： Versalis S.P.A.
发明人： Anna SOMMAZZI , Guido PAMPALONI , Giovanni RICCI , Francesco MASI , Giuseppe LEONE
IPC分类号： C08F36/08 , C08F36/06 , C07F7/28
CPC分类号： C08F36/08 , C07F7/003 , C07F7/28 , C08F4/64044 , C08F4/64048 , C08F36/06
摘要： Nitrogen titanium complex having general formula (I) or (II), wherein: —R1 represents a hydrogen atom; or is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; —R2, R3, R4 and R5, identical or different, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted, nitro groups, hydroxyl groups, amino groups; —Y represents a NH—R6 group wherein R6 represents a hydrogen atom, or is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; or a N—R7 group wherein R7 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; —X1, X2, X3 and X4, identical or different, represent a halogen atom, such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, —OCOR8 or —OR8 groups wherein R8 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15; or one of X1, X2 and X3 is selected from ethers, such as, for example, diethylether, tetrahydrofuran (THF), dimethoxyethane, preferably tetrahydrofuran (THF); —n is 1 in the case wherein Y represents a NH—R6 group wherein R6 has the same meanings reported above; or is 0 in the case wherein Y represents a N—R7 group wherein R7 has the same meanings reported above, or in the case wherein one of X1, X2 and X3 is selected from ethers; —R′1, R′2, R′3, R′4, R′5, R′6 and R′7, identical or different, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated, cycloalkyl groups optionally substituted, aryl groups optionally substituted; —X′1 and X′2, identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, —OCOR′8 groups or —OR′8 groups wherein R′ 8 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15; —Y′ is selected from ethers such as, for example, diethylether, tetrahydrofuran (THF), dimethoxyethane, preferably is tetrahydrofuran (THF); or Y′ represents a group having general formula (III), wherein R′1, R′2, R′3, R′4, R′5, R′6 and R′7, have the same meanings as reported above; —m is 0 or 1. Said nitrogen titanium complex having general formula (I) or (II) can be advantageously used in a catalytic system for the (co)polymerization of conjugated dienes.

6. 发明申请

US20210245145A1 OXO-NITROGENATED IRON COMPLEX, CATALYTIC SYSTEM COMPRISING SAID OXO-NITROGENATED IRON COMPLEX AND PROCESS FOR THE (CO)POLYMERIZATION OF CONJUGATED DIENES 有权
公开(公告)号：US20210245145A1
公开(公告)日：2021-08-12
申请号：US17204570
申请日：2021-03-17
申请人： Versalis S.p.A.
发明人： Guido PAMPALONI , Anna SOMMAZZI , Giovanni RICCI , Francesco MASI , Giuseppe LEONE
IPC分类号： B01J31/20 , C08F36/08 , C08F36/06 , C08F4/70 , C08F4/52
摘要： 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.

7. 发明申请

US20200247832A1 BIS-IMINE TITANIUM COMPLEX, CATALYTIC SYSTEM COMPRISING SAID BIS-IMINE TITANIUM COMPLEX AND PROCESS FOR THE (CO)POLYMERIZATION OF CONJUGATED DIENES 审中-公开
公开(公告)号：US20200247832A1
公开(公告)日：2020-08-06
申请号：US16649131
申请日：2018-09-28
申请人： Versalis S.P.A.
发明人： Guido PAMPALONI , Giovanni RICCI , Anna SOMMAZZI , Massimo GUELFI , Giuseppe LEONE , Francesco MASI
IPC分类号： C07F7/28 , C08F4/64 , C08F4/642 , C08F36/06
摘要： Bis-imine titanium complex having general formula (I): wherein: R1 and R2, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C1-C20 alkyl groups, preferably C1-C15, optionally substituted cycloalkyl groups; R3 and R4, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C1-C20 alkyl groups, preferably C1-C15, optionally substituted cycloalkyl groups, optionally substituted aryl groups; X1, X2, X3 and X4, mutually identical or different, represent a halogen atom such as chlorine, bromine, iodine; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, —OCOR5 groups or —OR5 groups wherein R5 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15; or represent an acetylacetonate group (acac); provided that when R1 and R2 represent a methyl group and X1, X2, X3 and X4 represent a chlorine atom, R3 and R4 are different from 2,6-di-isopropylphenyl.

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