Inventor · disambiguated record
Anna Sommazzi
Also filed as: RIVELLINI LEGAL REPRESENTATIVE · SOMMAZZI ANNA
50 granted patents·8 pending applications·150 citations·filing 1993–2021
97Inventor score
Files withVERSALIS SPA26ENICHEM SPA14POLIMERI EUROPA SPA8RICCI GIOVANNI2CONSIGLIO NAZIONALE RICERCHE1
Top patents by PatentIndex Score
58 records- 0186US6927313B2Process for the selective oligomerization of ethylenePOLIMERI EUROPA SPA·Filed 2001·Granted Aug 9, 2005·20 cites·12 claims
- 0285US10766979B2Bis-imine pyridine complex of lanthanides catalytic system comprising said bis-imine pyridine complex and process for the (co)polymerization of conjugated dienesVERSALIS SPA·Filed 2016·Granted Sep 8, 2020·2 cites·7 claims
- 0385US10301408B2Oxo-nitrogenated vanadium complex, catalytic system comprising said oxo-nitrogenated vanadium complex and process for (co)polymerising conjugated dienesVERSALIS SPA·Filed 2015·Granted May 28, 2019·2 cites·6 claims
- 0482US6780947B1Metal complexes comprising a 2,6-diacylpyridine-ligand and their use in the polymerization of ethyleneENICHEM SPA·Filed 2000·Granted Aug 24, 2004·17 cites·20 claims
- 0580US9493404B2Oxo-nitrogenated complex of cobalt, catalytic system comprising said oxo-nitrogenated complex and process for the (CO) polymerization of conjugated dienesVERSALIS SPA·Filed 2013·Granted Nov 15, 2016·3 cites·13 claims
- 0679US2022177500A1Phosphinic vanadium complex, catalytic system comprising said phosphinic vanadium complex and process for the (co) polymerization of conjugated dienesVERSALIS SPA·Filed 2021·Application pending·0 cites
- 0774US11872548B2Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienesVERSALIS SPA·Filed 2021·Granted Jan 16, 2024·0 cites·11 claims
- 0874US10066044B2Stereoregular diblock polybutadienes having a 1,4-cis/syndiotactic 1,2 structure from stereospecific polymerizationVERSALIS SPA·Filed 2014·Granted Sep 4, 2018·2 cites·13 claims
- 0972US10486144B2Solid catalyst for the (co)polymerisation of α-olefins and process for the preparation thereofVERSALIS SPA·Filed 2015·Granted Nov 26, 2019·1 cites·10 claims
- 1072US6459007B1Process for the preparation of 1-hexeneENICHEM SPA·Filed 2001·Granted Oct 1, 2002·7 cites·14 claims
- 1170US5369073AHomogeneous catalytic system and process for copolymerizing olefins with carbon monoxideENICHEM SPA·Filed 1993·Granted Nov 29, 1994·17 cites·12 claims
- 1270US2019194233A1Phosphinic vanadium complex, catalytic system comprising said phosphinic vanadium complex and process for the (co) polymerization of conjugated dienesVERSALIS SPA·Filed 2019·Application pending·0 cites
- 1369US9200101B2Oxo-nitrogenated complex of lanthanides, catalytic system comprising said oxo-nitrogenated complex and process for the (co)polymerization of conjugated dienesRICCI GIOVANNI·Filed 2012·Granted Dec 1, 2015·2 cites·8 claims
- 1466US11661470B2Butadiene-isoprene diblock copolymers and process for the preparation thereofVERSALIS SPA·Filed 2018·Granted May 30, 2023·0 cites·10 claims
- 1562US9512252B2Bis-imine complex of lanthanides, catalytic system comprising said bis-imine complex and process for the (co)polymerization of conjugated dienesRICCI GIOVANNI·Filed 2012·Granted Dec 6, 2016·1 cites·9 claims
- 1661US11518776B2Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienesVERSALIS SPA·Filed 2018·Granted Dec 6, 2022·0 cites·11 claims
- 1761US2017275312A1Phosphinic vanadium complex, catalytic system comprising said phosphinic vanadium complex and process for the (co) polymerization of conjugated dienesVERSALIS SPA·Filed 2015·Application pending·0 cites
- 1859US5310871AProcess for preparing polymers based on carbon monoxide and olefinsENICHEM SPA·Filed 1993·Granted May 10, 1994·11 cites·19 claims
- 1958US2019374932A1Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienesVERSALIS SPA·Filed 2017·Application pending·0 cites
- 2057US6916931B2Tridentate ligands and relative complexes with transition metalsPOLIMERI EUROPA SPA·Filed 2001·Granted Jul 12, 2005·1 cites·9 claims
- 2156US11299505B2Bis-imine titanium complex, catalytic system comprising said bis-imine titanium complex and process for the (co)polymertzation of conjugated dienesVERSALIS SPA·Filed 2018·Granted Apr 12, 2022·0 cites·13 claims
- 2255US7449528B2Supported catalyst containing active titanium in the homo, co-, and ter-polymerization of olefin-unsaturated compoundsPOLIMERI EUROPA SPA·Filed 2002·Granted Nov 11, 2008·2 cites·24 claims
- 2355US6492569B1Process for the preparation of tetrafluorohalogenbenzenesENICHEM SPA·Filed 2000·Granted Dec 10, 2002·1 cites·10 claims
- 2453US10633474B2Vanadium pyridine-imine complex, catalytic system comprising said vanadium pyridine-immine complex and a (co) polymerization process of conjugated dienesVERSALIS SPA·Filed 2016·Granted Apr 28, 2020·0 cites·17 claims
- 2553US9944726B2Solid catalyst component, catalyst comprising said solid component, and process for the (co)polymerization of α-olefinsPOLIMERI EUROPA SPA·Filed 2015·Granted Apr 17, 2018·0 cites·21 claims
- 2652US5324701AHeterogeneous catalyst for preparing alternating olefin/carbon monoxide copolymersENICHEM SPA·Filed 1993·Granted Jun 28, 1994·8 cites·12 claims
- 2752US2014213433A1Bis-imine pyridine complex of lanthanides catalytic system comprising said bis-imine pyridine complex and process for the (co)polymerization of conjugated dienesVERSALIS SPA·Filed 2012·Application pending·0 cites
- 2850US6596891B1Activating composition of metallocene complexes in the catalysis of (co)polymerization processes of olefinsENICHEM SPA·Filed 1999·Granted Jul 22, 2003·9 cites·30 claims
- 2950US5346873ACatalytic system and system for copolymerizing carbon monoxide with one or more olefinsENICHEM SPA·Filed 1993·Granted Sep 13, 1994·7 cites·11 claims
- 3048US11746167B2Process for the preparation of polyisoprene with a mainly alternating cis-1,4- alt-3,4 structure in the presence of a catalytic system comprising a pyridyl iron complexVERSALIS SPA·Filed 2019·Granted Sep 5, 2023·0 cites·17 claims
- 3148US9562120B2Process for the preparation of (co)polymers of conjugated dienes in the presence of a catalytic system comprising an oxo-nitrogenated complex of cobaltVERSALIS SPA·Filed 2013·Granted Feb 7, 2017·0 cites·14 claims
- 3247US10954326B2Process for the preparation of syndiotactic 1,2-polybutadiene in the presence of a catalytic system comprising a pyridyl iron complexVERSALIS SPA·Filed 2017·Granted Mar 23, 2021·0 cites·6 claims
- 3347US10093763B2Stereoregular diblock polybutadienes having a 1,4-cis/syndiotactic 1,2 structure from stereospecific polymerizationVERSALIS SPA·Filed 2014·Granted Oct 9, 2018·0 cites·17 claims
- 3447US9290586B2Solid catalyst component, catalyst comprising said solid component, and process for the (CO)polymerization of α-olefinsSOMMAZZI ANNA·Filed 2011·Granted Mar 22, 2016·0 cites·10 claims
- 3547US7074868B2Random butadiene-isoprene copolymers with a trans-1, 4 structurePOLIMERI EUROPA SPA·Filed 2002·Granted Jul 11, 2006·1 cites·18 claims
- 3646US7081505B2Activating organometallic composition for the (co) polymerization of alpha-olefins comprising fluorinated cyclopentadienyl compoundsPOLIMERI EUROPA SPA·Filed 2002·Granted Jul 25, 2006·8 cites·35 claims
- 3746US6831135B2Process for the hydrogenation of homopolymers and copolymers of conjugated dienesENI SPA·Filed 2003·Granted Dec 14, 2004·0 cites·25 claims
- 3846US5314856APreparation of alternating olefin/carbon monoxide copolymers by means of a heterogeneous supported catalystENICHEM SPA·Filed 1993·Granted May 24, 1994·9 cites·14 claims
- 3945US9475897B2Process for the preparation of (co)polymers of conjugated dienes in the presence of a catalytic system comprising a bis-imino-pyridine complex of cobaltVERSALIS SPA·Filed 2013·Granted Oct 25, 2016·0 cites·14 claims
- 4044US5734010AProcess for the preparation of copolymers of carbon monoxide and at least one compound containing an alkenyl unsaturationENICHEM SPA·Filed 1997·Granted Mar 31, 1998·8 cites·26 claims
- 4144US2020207891A1Process for the preparation of 1,2 syndiotactic polybutadiene in the presence of a catalytic system comprising a cobalt complex with a phosphine ligandVERSALIS SPA·Filed 2018·Application pending·0 cites
- 4243US10059724B2Pyridine complex of zirconium, catalytic system comprising said pyridine complex of zirconium and process of (co)polymerization of conjugated dienesVERSALIS SPA·Filed 2015·Granted Aug 28, 2018·0 cites·12 claims
- 4343US9617360B2Process for the preparation of (co) polymers of conjugated dienes in the presence of a catalytic system comprising a bis-imine complex of cobaltVERSALIS SPA·Filed 2013·Granted Apr 11, 2017·0 cites·18 claims
- 4442US10654952B2Nitrogen titanium complex, catalytic system comprising said nitrogen titanium complex and process for the (co)polymerization of conjugated dienesVERSALIS SPA·Filed 2016·Granted May 19, 2020·0 cites·10 claims
- 4542US10611862B2Process for the preparation of (co)polymers of conjugated dienes in the presence of a catalytic system comprising a vanadium bis-imine complexVERSALIS SPA·Filed 2016·Granted Apr 7, 2020·0 cites·14 claims
- 4640US10793653B2Process for preparing conjugated diene (co)polymers in the presence of a catalytic system comprising a pyridyl iron (III) complexVERSALIS SPA·Filed 2017·Granted Oct 6, 2020·0 cites·12 claims
- 4740US8772521B2Metal alkyl-arenes and processes for the preparation thereofPAMPALONI GUIDO·Filed 2011·Granted Jul 8, 2014·0 cites·20 claims
- 4840US6831034B2Catalytic composition for the (co) polymerization of α-olefinsPOLIMERI EUROPA SPA·Filed 2003·Granted Dec 14, 2004·0 cites·52 claims
- 4939US9334341B2Catalysts of the ziegler-natta type for the (co)polymerization of olefins with a high productivityMASI FRANCESCO·Filed 2010·Granted May 10, 2016·0 cites·26 claims
- 5039US6833465B2Stabilized metallocene compounds of transition metals of group 4 and process for their preparationPOLIMERI EUROPA SPA·Filed 2003·Granted Dec 21, 2004·0 cites·43 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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