Patents by Inventor Anna Fait
Anna Fait 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: 11639399Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I) M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf X is a sigma ligand R 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 or silicon atoms R1 is a C6-C20-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C1-C10 alkyl group(s) R2 is a saturated linear or cyclic C3-C20 alkyl group or a branched CR3R4R5 group, wherein R3 is hydrogen or an C1-C20 alkyl group and R4 and R5 are the same or are different and can be an C1-C20 alkyl group and (ii) a boron containing cocatalyst.Type: GrantFiled: June 23, 2022Date of Patent: May 2, 2023Assignee: BOREALIS AGInventors: Noureddine Ajellal, Anna Fait, Luigi Resconi, Vyatcheslav Izmer, Dmitry Kononovich, Alexander Voskoboynikov, Rafael Sablong, Timo Sciarone
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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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Patent number: 11530280Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I), M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf, X is a sigma ligand, R 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 or silicon atoms, R1 is a C6-C20-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C1-C10 alkyl group(s), R2 is a saturated linear or cyclic C3-C20 alkyl group or a branched CR3R4R5 group, wherein R3 is hydrogen or an C1-C20 alkyl group and R4 and R5 are the same or are different and can be an C1-C20 alkyl group and (ii) a boron containing cocatalyst.Type: GrantFiled: December 12, 2017Date of Patent: December 20, 2022Assignee: Borealis AGInventors: Noureddine Ajellal, Anna Fait, Luigi Resconi, Vyatcheslav Izmer, Dmitry Kononovich, Alexander Voskoboynikov, Rafael Sablong, Timo Sciarone
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Publication number: 20220325009Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I) M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf X is a sigma ligand R 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 or silicon atoms R1 is a C6-C20-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C1-C10 alkyl group(s) R2 is a saturated linear or cyclic C3-C20 alkyl group or a branched CR3R4R5 group, wherein R3 is hydrogen or an C1-C20 alkyl group and R4 and R5 are the same or are different and can be an C1-C20 alkyl group and (ii) a boron containing cocatalyst.Type: ApplicationFiled: June 23, 2022Publication date: October 13, 2022Inventors: Noureddine AJELLAL, Anna FAIT, Luigi RESCONI, Vyatcheslav IZMER, Dmitry KONONOVICH, Alexander VOSKOBOYNIKOV, Rafael SABLONG, Timo SCIARONE
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Publication number: 20220185923Abstract: The present invention relates to a catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of a group 4 transition metal comprising at least one ligand selected from optionally substituted cyclopentadienyl (Cp), indenyl (Ind) and fluorenyl (Flu) ligands and (ii) a solid alkyl aluminium oxide cocatalyst The invention relates also to the preparation of the catalyst system, use thereof in the high temperature solution process and to a process comprising polymerizing ethylene and a C4-10 alpha-olefin comonomer in a high temperature solution process in the presence of the catalyst system.Type: ApplicationFiled: April 9, 2020Publication date: June 16, 2022Inventors: Luigi Maria Cristoforo RESCONI, Anna FAIT, Rafael SABLONG, Vyatcheslav V. IZMER, Dmitry S. KONONOVICH, Alexander Z. VOSKOBOYNIKOV
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Patent number: 11279781Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising: (i) a metallocene complex of formula (I) wherein M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf; X is a sigma ligand; R are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C6-C10 aryl, C4-C10 heteroaryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms or silicon atoms; R1 is a C6-C10 aryl or C6-C20 alkylaryl group optionally containing up to 2 heteroatoms or silicon atoms or a C4-C10 heteroaryl group; R2 is a C4-C20 cycloalkyl group, optionally carrying alkyl substituents in beta-positions, of formula (II) in which R? can be the same or can be different from each other and can be hydrogen or is defined as R and n is 1 to 17; and (ii) a boron containing cocatalyst.Type: GrantFiled: December 12, 2017Date of Patent: March 22, 2022Assignee: Borealis AGInventors: Noureddine Ajellal, Anna Fait, Luigi Resconi
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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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Publication number: 20210317242Abstract: The present invention relates to a process for producing a prepolymerized solid Ziegler-Natta catalyst in batch mode, a prepolymerized solid Ziegler-Natta catalyst, a process for producing a propylene polymer using said prepolymerized solid Ziegler-Natta catalyst, a prepolymerized solid Ziegler-Natta catalyst obtained by a process as well as the use of the prepolymerized solid Ziegler-Natta catalyst in a process for producing a propylene polymer.Type: ApplicationFiled: September 20, 2019Publication date: October 14, 2021Inventors: Torvald Vestberg, Markku Vahteri, Anna Fait, Pauli Leskinen, Jingbo Wang
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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: 20200079884Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I), M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf, X is a sigma ligand, R 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 or silicon atoms, R1 is a C6-C20-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C1-C10 alkyl group(s), R2 is a saturated linear or cyclic C3-C20 alkyl group or a branched CR3R4R5 group, wherein R3 is hydrogen or an C1-C20 alkyl group and R4 and R5 are the same or are different and can be an C1-C20 alkyl group and (ii) a boron containing cocatalystType: ApplicationFiled: December 12, 2017Publication date: March 12, 2020Inventors: Noureddine AJELLAL, Anna FAIT, Luigi RESCONI, Vyatcheslav V. IZMER, Dmitry S. KONONOVICH, Alexander Z. VOSKOBOYNIKOV, Rafael SABLONG, Timo SCIARONE
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Publication number: 20200079887Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I) wherein: M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula (I) has M=Hf; X is a sigma ligand; R are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C6-C10 aryl, C4-C10 heteroaryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms or silicon atoms; R1 is a C6-C10 aryl or C6-C20 alkylaryl group optionally containing up to 2 heteroatoms or silicon atoms or a C4-C10 heteroaryl group; R2 is a C4-C20 cycloalkyl group, optionally carrying alkyl substituents in beta-positions, of formula (II) in which R? can be the same or can be different from each other and can be hydrogen or is defined as R and n is 1 to 17 (ii) a boron containing cocatalystType: ApplicationFiled: December 12, 2017Publication date: March 12, 2020Inventors: Noureddine AJELLAL, Anna FAIT, Luigi RESCONI
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Patent number: 10125200Abstract: Prepolymerized catalyst component for the polymerization of olefins CH2?CHR, wherein R is hydrogen or a C1-C12 hydrocarbyl group, comprising a solid catalyst component characterized by comprising Mg, Ti halogen and an electron donor (ID) selected from the alkyl esters of aromatic dicarboxylic acids in such an amount that the molar ratio ID/Mg ranges from 0.025 to 0.07 and the Mg/Ti molar ratio is higher than 13, said prepolymerized catalyst component containing an amount of ethylene pre-polymer up to 50 g per g of said solid catalyst component.Type: GrantFiled: September 17, 2009Date of Patent: November 13, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Gianni Collina, Anna Fait, Ofelia Fusco, Giampiero Morini, Lorella Pedriali, Rosa Spoto, Paolo Vincenzi
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Publication number: 20170002108Abstract: The present disclosure relates to a process for preparing a MgCl2-alcohol adduct which comprises (a) forming a mixture of an MgCl2-alcohol adduct in molten form and a liquid which is immiscible with the adduct, (b) subjecting the mixture to a shear stress to obtain an emulsion, and (c) rapidly cooling the emulsion to solidify the disperse phase and collecting the solid adduct particles, the process being characterized by the fact that step (b) is carried out in a device comprising a first outer and second inner cylindrical members that define an annulus between them, wherein at least one of the cylindrical members rotate with respect to the other.Type: ApplicationFiled: December 15, 2014Publication date: January 5, 2017Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Giuseppina Maria ALGOZZINI, Nicolo ARICH DE FINETTI, Maria DI DIEGO, Anna FAIT, Luca RANZANI
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Patent number: 9127095Abstract: Catalyst component comprising Mg, Ti, and halogen atoms, and is characterized in that (a) the Ti atoms are present in an amount higher than 4% based on the total weight of the said catalyst component, (b) the amount of Mg and Ti atoms is such that the Mg/Ti molar ratio is higher than 2 and (c) by a X-ray diffraction spectrum, in which, in the range of 2? diffraction angles between 47° and 52°, at least two diffraction lines are present at diffraction angles 2? of 48.3±0.2°, and 50.0±0.2°, the most intense diffraction lines being the one at 2? of 50.0±0.2°, the intensity of the other diffraction line being equal to or lower than the intensity of the most intense diffraction line.Type: GrantFiled: December 17, 2010Date of Patent: September 8, 2015Assignee: Basell Poliolefine Italia S.r.l.Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Anna Fait, Benedetta Gaddi, Giampiero Morini, Pietro Baita, Lorella Marturano, Harry Mavridis
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Patent number: 8940653Abstract: Adducts comprising a MgCl2, an alcohol ROH in which R is a C1-C10 hydrocarbon group, present in a molar ratio with MgCl2 ranging from 0.5 to 5 and less than 15% wt, based on the total weight of the adduct, of a metal salt of an aliphatic carboxylic acid having from 8 to 22 carbon atoms.Type: GrantFiled: September 29, 2011Date of Patent: January 27, 2015Assignee: Basell Poliolefine Italia S.r.l.Inventors: Gianni Collina, Daniele Evangelisti, Benedetta Gaddi, Anna Fait
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Publication number: 20130197172Abstract: Adducts comprising a MgCl2, an alcohol ROH in which R is a Cl—ClO hydrocarbon group, present in a molar ratio with MgCl2 ranging from 0.5 to 5 and less than 15% wt, based on the total weight of the adduct, of a metal salt of an aliphatic carboxylic acid having from 8 to 22 carbon atoms.Type: ApplicationFiled: September 29, 2011Publication date: August 1, 2013Applicant: Basell Poliolefine Italia S.r.l.Inventors: Gianni Collina, Daniele Evangelisti, Benedetta Gaddi, Anna Fait
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Publication number: 20120283402Abstract: Solid adducts comprising MgCl2 and water and optionally an organic hydroxy compound (A) selected from hydrocarbon structures containing at least one hydroxy group, said compounds being present in molar ratio defined by the following formula MgCl2.(H20)n(A)p in which n is from 0.6 to 6, p ranges from 0 to 3, said adduct having a porosity (PF), measured by the mercury method and due to pores with radius equal to or lower than 1 ?m, of at least 0.15 cm3/g with the proviso that when p is 0, (PF) is equal to or higher than 0.3 cm3/g.Type: ApplicationFiled: December 17, 2010Publication date: November 8, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Daniele Evangelisti, Benedetta Gaddi, Diego Brita, Gianni Collina, Anna Fait
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Publication number: 20120259078Abstract: Catalyst component comprising Mg, Ti, and halogen atoms, and is characterized in that (a) the Ti atoms are present in an amount higher than 4% based on the total weight of the said catalyst component, (b) the amount of Mg and Ti atoms is such that the Mg/Ti molar ratio is higher than 2 and (c) by a X-ray diffraction spectrum, in which, in the range of 2? diffraction angles between 47° and 52°, at least two diffraction lines are present at diffraction angles 2? of 48.3±0.2°, and 50.0±0.2°, the most intense diffraction lines being the one at 2? of 50.0±0.2°, the intensity of the other diffraction line being equal to or lower than the intensity of the most intense diffraction line.Type: ApplicationFiled: December 17, 2010Publication date: October 11, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Anna Fait, Benedetta Gaddi, Giampiero Morini, Pietro Baita, Lorella Marturano, Harry Mavridis
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Patent number: 8153757Abstract: A solution process for polymerizing one or more ?-olefins of formula CH2?CHR, where R is H or an alkyl radical C1-12, to produce a polyolefin soluble in the reaction medium, the process comprising: a) polymerizing said one or more ?-olefins in a solution phase in the presence of a polymerization catalyst and a inert solvent having a vapor pressure lower than 100 kPa at 20° C.; b) separating the produced polyolefin from the unreacted monomers and the inert solvent by means of a sequence of at least three volatilization chambers operating at a decreasing pressure, the second devolatilization chamber being operated at a pressure from 0.8 to 5 bar.Type: GrantFiled: December 18, 2008Date of Patent: April 10, 2012Assignee: Basell Poliolefine Italia s.r.l.Inventors: Nicolò Arich de Finetti, Daniele Bigiavi, Anna Fait