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Alexander Z Voskoboynikov, Artyom Y Lebedev, Vyatcheslav V Izmer, Alexey N Ryabov, Mikhail V Nikulin, Jo Ann M Canich: Heterocyclic substituted metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, Catherine L Bell, October 2, 2007: US07276567 (39 worldwide citation)

This invention relates to compounds represented by formula: wherein M is a group 3, 4, 5 or 6 transition, lanthanide, or actinide metal atom; E is an indenyl ligand substituted in any position with at least one aromatic or pseudoaromatic heterocyclic substituent that is bonded to the indenyl ring th ...


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Alexander Z Voskoboynikov, Denis N Kazyulkin, Vyatcheslav V Izmer, Alexey N Ryabov, Jo Ann M Canich: Phosphorus bridged metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, Catherine L Bell, May 8, 2007: US07214746 (10 worldwide citation)

This invention relates to metallocene compounds represented by formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is a substituted or unsubstituted indenyl ligand that is bonded to Y through the two position of the indenyl ring; A ...


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Jo Ann M Canich, Peijun Jiang, Gary L Casty, Gabor Kiss, Alexander Z Voskoboynikov: Production of propylene-based polymers. ExxonMobil Chemical Patents, Catherine L Bell, October 12, 2010: US07812104 (9 worldwide citation)

In a process for producing a propylene-based olefin homopolymer or copolymer, a monomer composition comprising propylene is contacted with a polymerization catalyst system under homogeneous polymerization conditions (such as solution, supersolution or supercritical conditions), wherein the polymeriz ...


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Alexander Z Voskoboynikov, Denis N Kazyulkin, Vyatcheslav V Izmer, Alexey N Ryabov, Jo Ann M Canich: Phosphorus substituted metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, Catherine L Bell, May 8, 2007: US07214747 (9 worldwide citation)

This invention relates to a metallocene compounds represented by formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is an indenyl ligand that is substituted with a PR2 group in the two position of the indenyl ligand, where each R i ...


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Alexander Z Voskoboynikov, Mikhail V Nikulin, Vyatcheslav V Izmer, Andrey F Asachenko, Alexey N Ryabov, Catalina L Coker, Jo Ann M Canich: Halogen substituted metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, Catherine L Bell, July 7, 2009: US07557171 (8 worldwide citation)

A metallocene compound comprising a transition metal, a first substituted or unsubstituted indenyl or fluorenyl ligand pi—bonded to the transition metal, a second monoanionic ligand bonded to the transition metal, and a divalent bridging group bonded to the indenyl ligand and said second monoanionic ...


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Alexander Z Voskoboynikov, Alexey N Ryabov, Mikhail V Nikulin, Alexander V Lygin, Vyatcheslav V Izmer, Andrey F Asachenko, Catalina L Coker, Jo Ann M Canich: Halogen substituted metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, Catherine L Bell, May 26, 2009: US07538168 (7 worldwide citation)

A metallocene compound comprises a transition metal and at least one substituted monocyclic or polycyclic arene ligand bonded to the transition metal, wherein said arene ligand comprises at least one halogen substituent directly bonded to an sp2 carbon atom at a bondable ring position of an aromatic ...


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Alexander Z Voskoboynikov, Alexey N Ryabov, Dmitry V Uborsky, Alexander V Lygin, Catalina L Coker, Jo Ann M Canich: Halogen substituted metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, February 23, 2010: US07667064 (7 worldwide citation)

A metallocene compound is represented by the formula (1): AMXn-1 wherein M is a transition metal atom having a coordination number of n selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom; A is a substituted monocyclic or polycyclic ...


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Alexander Z Voskoboynikov, Alexey N Ryahov, Mikhail V Nikulin, Alexander V Lygin, Vyatcheslav V Izmer, Andrey F Asachenko, Catalina L Coker, Jo Ann M Canich: Halogen substituted metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, Catherine L Bell, November 4, 2008: US07446216 (7 worldwide citation)

A metallocene compound is represented by the formula (1): A2YyMXn-2 wherein: M is a transition metal atom having a coordination number of n selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom; each A is independently a substituted po ...


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Alexander Z Voskoboynikov, Vyatcheslav V Izmer, Andrey F Asachenko, Mikhail V Nikulin, Alexey N Ryabov, Artyom Y Lebedev, Catalina L Coker, Jo Ann M Canich: Heteroatom bridged metallocene compounds for olefin polymerization. ExxonMobil Chemical Patents, Catherine L Bell, July 27, 2010: US07763562 (6 worldwide citation)

This invention relates to a transition metal compound represented by the formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is: 1) a substituted or unsubstituted indenyl ligand that is bonded to Y through the four, five, six or sev ...