Patents by Inventor Oleg SAMSONOV
Oleg SAMSONOV has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11560440Abstract: Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R1, R2, R3 are the same or different from each other and can be hydrogen or a saturated linear or branched C1-C10 alkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or R1 and R2 or R2 and R3 can form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, R4 and R5 are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C6-C20-aryl or -heteroaryl group, which can be unsubstituted or substituted by 1 to 5 linear or branched C1-C10 alkyl group(s), and (ii) an aluminoxane cocatalyst and (iii) optionally an aluminium alkyl compound AI(R7)3, with R7 being a linear or branched C2-C8-alkType: GrantFiled: March 28, 2018Date of Patent: January 24, 2023Assignee: Borealis AGInventors: Luigi Maria Cristoforo Resconi, Noureddine Ajellal, Anna Fait, Irfan Saeed, Maria Ranieri, David Quin, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Oleg Samsonov, Alexander Z. Voskoboynikov
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Publication number: 20220332861Abstract: The present invention relates to compounds according to formula I, wherein: R1 is a cyclopentadienyl moiety or a moiety comprising a cyclopentadienyl ring structure; R2 is a moiety M(R5)2 or MR5, wherein M is a metal selected from hafnium, titanium or zirconium, and R5 is F, Cl, I, Br or an alkyl-moiety comprising 1 to 10 carbon atoms, preferably methyl, benzyl, butadiene or pentadiene; R3 is H, an alkyl or aryl moiety comprising 1 to 10 carbon atoms, or a moiety comprising N or O and 1 to 15 carbon atoms; R4 is H, an alkyl or aryl moiety comprising 1 to 10 carbon atoms, or a moiety comprising N or O and 1 to 15 carbon atoms, or a halogen; wherein if R3 is H, R4 is a moiety other than H, and if R4 is H, R3 is a moiety other than H; each R6 is individually selected from H, a halogen, an alkyl moiety, an aryl moiety, a halogen-substituted alkyl moiety, a halogen-substitute d aryl moiety, an alkoxy moiety, a siloxy-moiety, or a nitrogen-containing moiety, preferably H.Type: ApplicationFiled: September 4, 2020Publication date: October 20, 2022Inventors: Jaiprakash Brijlal SAINANI, Nicolaas Hendrika FRIEDERICHS, Alexander VOSKOBOYNIKOV, Dmitry UBORSKY, Kankan BHAUMIK, Vincenzo BUSICO, Antonio VITTORIA, Roberta CIPULLO, Bogdan GUZEEV, Oleg SAMSONOV, Pavel KULYABIN, Georgy GORYUNOV, Andrey YASHIN, Akhilesh TANWAR
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Patent number: 11192963Abstract: Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I), (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R1, R2, R3 are the same or different from each other and can be hydrogen or a saturated linear or branched C1-C10 alkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or R1 and R2 or R2 and R3 can form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, R4 and R5 are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C6-C20-aryl or -heteroarylgroup, which can be unsubstituted or substituted by 1 to 5 linear or branched C1-C10 alkyl group(s), and (ii) a boron containing cocatalyst.Type: GrantFiled: March 28, 2018Date of Patent: December 7, 2021Assignee: BOREALIS AGInventors: Anna Fait, Noureddine Ajellal, Luigi Maria Cristoforo Resconi, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Oleg Samsonov, Alexander Z. Voskoboynikov, Rafael Sablong, Timo Sciarone
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Patent number: 11040995Abstract: The invention relates to a metallocene complex according to formula I or II wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a divalent bridging group, R1, R2, R3 and R4 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; and R5, R6, R7 and R8 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; or two adjacent radicals R5 and R6, R6 and R7, and R7 and R8 are connected with each other in a hydrocarbon ring system. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles.Type: GrantFiled: January 2, 2017Date of Patent: June 22, 2021Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Shaneesh Vadake Kulangara, Nicolaas Hendrika Friederichs, Anton Ginzburg, Alexander Voskoboynikov, Vyatcheslav Izmer, Dmitry Kononovich, Oleg Samsonov, Antonio Vittoria, Vincenzo Busico, Roberta Cipullo, Ninad Ghavale, Nitin Nandurkar, Ilya Borisov, Bogdan Guzeev, Dmitry Uborsky
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Publication number: 20210108006Abstract: Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I), (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R1, R2, R3 are the same or different from each other and can be hydrogen or a saturated linear or branched C1-C10 alkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or R1 and R2 or R2 and R3 can form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, R4 and R5 are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C6-C20-aryl or -heteroarylgroup, which can be unsubstituted or substituted by 1 to 5 linear or branched C1-C10 alkyl group(s), and (ii) a boron containing cocatalyst.Type: ApplicationFiled: March 28, 2018Publication date: April 15, 2021Inventors: Anna FAIT, Noureddine AJELLAL, Luigi Maria Cristoforo RESCONI, Vyatcheslav V. IZMER, Dmitry S. KONONOVICH, Oleg SAMSONOV, Alexander Z. VOSKOBOYNIKOV, Rafael SABLONG, Timo SCIARONE
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Publication number: 20210095057Abstract: Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R1, R2, R3 are the same or different from each other and can be hydrogen or a saturated linear or branched C1-C10 alkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or R1 and R2 or R2 and R3 can form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, R4 and R5 are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C6-C20-aryl or -heteroaryl group, which can be unsubstituted or substituted by 1 to 5 linear or branched C1-C10 alkyl group(s), and (ii) an aluminoxane cocatalyst and (iii) optionally an aluminium alkyl compound AI(R7)3, with R7 being a linear or branched C2-C8-alkType: ApplicationFiled: March 28, 2018Publication date: April 1, 2021Inventors: Luigi Maria Cristoforo RESCONI, Noureddine AJELLAL, Anna FAIT, Irfan SAEED, Maria RANIERI, David QUIN, Vyatcheslav V. IZMER, Dmitry S. KONONOVICH, Oleg SAMSONOV, Alexander Z. VOSKOBOYNIKOV
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Publication number: 20200270292Abstract: The invention relates to a metallocene complex according to formula I or II wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a divalent bridging group, R1, R2, R3 and R4 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; and R5, R6, R7 and R8 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; or two adjacent radicals R5 and R6, R6 and R7, and R7 and Ware connected with each other in a hydrocarbon ring system. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefms and to the use of the polyolefins for making articles.Type: ApplicationFiled: January 2, 2017Publication date: August 27, 2020Inventors: Shaneesh Vadake Kulangara, Nicolaas Hendrika Friederichs, Anton Ginzburg, Alexander Voskoboynikov, Vyatcheslav Izmer, Dmitry Kononovich, Oleg Samsonov, Antonio Vittoria, Vincenzo Busico, Roberta Cipullo, Ninad Ghavale, Nitin Nandurkar, Ilya Borisov, Bogdan Guzeev, Dmitry Uborsky
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Patent number: 10400048Abstract: The invention relates to a metallocene complex according to formula I wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a bridging group containing at least one carbon atom bonded to the indenyl moiety at 2-position, R1, R2, R3 and R4 are each independently chosen from the group consisting of H, a halogen atom and a C1-C20 hydrocarbylgroup, and wherein at least one of R1 and R2 is not H, and at least one of R3 and R4 is not H. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles.Type: GrantFiled: May 24, 2016Date of Patent: September 3, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Shaneesh Vadake Kulangara, Nicolaas Hendrika Friederichs, Anton Ginzburg, Luca Rongo, Alexander Z. Voskoboynikov, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Oleg Samsonov, Abbas-Alli Ghudubhai Shaikh, Vincenzo Busico, Roberta Cipullo, Ilya Borisov, Anamitra Chatterjee, Dmitry Uborsky
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Publication number: 20180148522Abstract: The invention relates to a metallocene complex according to formula I wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a bridging group containing at least one carbon atom bonded to the indenyl moiety at 2-position, R1, R2, R3 and R4 are each independently chosen from the group consisting of H, a halogen atom and a C1-C20 hydrocarbylgroup, and wherein at least one of R1 and R2 is not H, and at least one of R3 and R4 is not H. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles.Type: ApplicationFiled: May 24, 2016Publication date: May 31, 2018Inventors: Shaneesh VADAKE KULANGARA, Nicolaas Hendrika FRIEDERICHS, Anton GINZBURG, Luca RONGO, Alexander Z. VOSKOBOYNIKOV, Vyatcheslav V. IZMER, Dmitry S. KONONOVICH, Oleg SAMSONOV, Abbas-Alli Ghudubhai SHAIKH, Vincenzo BUSICO, Roberta CIPULLO, Ilya BORISOV, Anamitra CHATTERJEE, Dmitry UBORSKY