Patents by Inventor Joseph Thorman
Joseph Thorman 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: 11753486Abstract: The present invention relates to a process for producing of solid particulate olefin polymerisation catalyst or catalyst carrier comprising forming a solution of the catalyst or a catalyst carrier in a solvent, subjecting the solution into an atomization by spraying the solution via a capillary vibrating spray nozzle with a capillary orifice having a diameter of 5 to 100 ?m generating a laminar jet of liquid, which disintegrates into liquid droplets entering into the spray-dryer, transforming the droplets with aid of a gas to solid particulate catalyst or carrier in the spray-dryer and recovering the solid particulate olefin polymerisation catalyst or carrier having particle size distribution defined by a volumetric SPAN of 0.7 or less. The invention further relates to the catalyst produced by the methods, and use thereof in olefin polymerisation process.Type: GrantFiled: December 20, 2018Date of Patent: September 12, 2023Assignee: BOREALIS AGInventors: Alexander Reznichenko, Jari-Jussi Ruskeeniemi, Joseph Thorman, Xiao Dong Chen, Victor Sumerin
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Publication number: 20230279159Abstract: The present invention relates to a process for producing of solid particulate olefin polymerisation catalyst or catalyst carrier comprising forming a solution of the catalyst or a catalyst carrier in a solvent, subjecting the solution into an atomization by spraying the solution via a capillary vibrating spray nozzle with a capillary orifice having a diameter of 5 to 100 ?m generating a laminar jet of liquid, which disintegrates into liquid droplets entering into the spray-dryer, transforming the droplets with aid of a gas to solid particulate catalyst or carrier in the spray-dryer and recovering the solid particulate olefin polymerisation catalyst or carrier having particle size distribution defined by a volumetric SPAN of 0.7 or less. The invention further relates to the catalyst produced by the methods, and use thereof in olefin polymerisation process.Type: ApplicationFiled: May 11, 2023Publication date: September 7, 2023Inventors: Alexander REZNICHENKO, Jari-Jussi RUSKEENIEMI, Joseph THORMAN, Xiao Dong CHEN, Victor SUMERIN
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Patent number: 11685825Abstract: The present invention relates to a cable jacket composition comprising a multimodal olefin copolymer, said copolymer having density of 0.935-0.960 g/cm3 and MFR2 of 2.2-10.0 g/10 min and said composition having ESCR of at least 2000 hours and a cable shrinkage of 0.70% or lower. The invention further relates to the process for preparing said composition and its use as outer jacket layer for a cable, preferably a communication cable, most preferably a fiber optic cable.Type: GrantFiled: April 6, 2018Date of Patent: June 27, 2023Assignee: Borealis AGInventors: Anna Hjärtfors, Yi Liu, Joseph Thorman, Victor Sumerin
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Patent number: 11591455Abstract: The present invention relates to a cable jacket composition comprising a multimodal olefin copolymer, wherein said olefin copolymer has a density of 0.935-0.960 g/cm3 and MFR2 of 1.5-10.0 g/10 min and comprises a bimodal polymer mixture of a low molecular weight homo- or copolymer and a high molecular weight copolymer wherein the composition has ESCR of at least 2000 hours and wherein the numerical values of cable wear index and composition MFR2 (g/10 min) follow the correlation: Wear index<15.500+0.900*composition MFR2. The invention further relates to the process for preparing said composition and its use as outer jacket layer for a cable, preferably a communication cable, most preferably a fiber optic cable.Type: GrantFiled: April 6, 2018Date of Patent: February 28, 2023Assignee: BOREALIS AGInventors: Anna Hjärtfors, Yi Liu, Victor Sumerin, Joseph Thorman
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Patent number: 11384170Abstract: A process for the preparation of a solid olefin polymerization catalyst or a solid olefin polymerization catalyst component comprising the steps of: (a) forming a liquid/liquid emulsion of (i) a first organic liquid comprising at least one olefin polymerization catalyst component and (ii) an optionally halogenated hydrocarbon liquid immiscible therewith; where the first organic liquid forms the dispersed phase and the optionally halogenated hydrocarbon liquid forms the continuous phase of the liquid/liquid emulsion and wherein the dispersed phase forms droplets in the continuous phase; and (b) transforming the droplets of the dispersed phase to solid particulate particles comprising said at least one olefin polymerization catalyst component, wherein the liquid/liquid emulsion is stabilized with a solid particulate stabilizer.Type: GrantFiled: December 19, 2018Date of Patent: July 12, 2022Assignee: Borealis AGInventors: Alexander Reznichenko, Noureddine Ajellal, Joseph Thorman, Bernard Binks
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Publication number: 20210179744Abstract: A process for the preparation of a solid olefin polymerisation catalyst or a solid olefin polymerisation catalyst component comprising the steps of: (a) forming a liquid/liquid emulsion of (i) a first organic liquid comprising at least one olefin polymerization catalyst component and (ii) an optionally halogenated hydrocarbon liquid immiscible therewith; where the first organic liquid forms the dispersed phase and the optionally halogenated hydrocarbon liquid forms the continuous phase of the liquid/liquid emulsion and wherein the dispersed phase forms droplets in the continuous phase; and (b)transforming the droplets of the dispersed phase to solid particulate particles comprising said at least one olefin polymerization catalyst component, wherein the liquid/liquid emulsion is stabilized with a solid particulate stabilizerType: ApplicationFiled: December 19, 2018Publication date: June 17, 2021Inventors: Alexander REZNICHENKO, Noureddine AJELLAL, Joseph THORMAN, Bernard BINKS
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Publication number: 20210147660Abstract: The invention provides a process for the preparation of a multimodal high density polyethylene (HDPE) having a melt flow rate (MFR2) of 0.1 to 4.0 g/10 min, said process comprising: (i) polymerising ethylene in a first polymerisation stage in the presence of a Ziegler-Natta catalyst to prepare a first ethylene homopolymer having a MFR2 from 10 to 500 g/10 min; (ii) polymerising ethylene in a second polymerisation stage in the presence of said catalyst and said first ethylene homopolymer to prepare an ethylene homopolymer mixture comprising said first ethylene homopolymer and a second ethylene homopolymer, said mixture having a MFR2 from 50 to 1000 g/10 min; and (iii) polymerising ethylene and at least one alpha-olefin comonomer in a third polymerisation stage in the presence of said catalyst and said ethylene homopolymer mixture to prepare said multimodal HDPE.Type: ApplicationFiled: May 30, 2019Publication date: May 20, 2021Inventors: Anh Tuan TRAN, Alexandra Romina ALBUNIA, Joy Jie CHENG, Joseph THORMAN, John JAMIESON, Ravindra TUPE
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Publication number: 20210095108Abstract: The present invention relates to a cable jacket composition comprising a multimodal olefin copolymer, said copolymer having density of 0.935-0.960 g/cm3 and MFR2 of 2.2-10.0 g/10 min and said composition having ESCR of at least 2000 hours and a cable shrinkage of 0.70% or lower. The invention further relates to the process for preparing said composition and its use as outer jacket layer for a cable, preferably a communication cable, most preferably a fiber optic cable.Type: ApplicationFiled: April 6, 2018Publication date: April 1, 2021Inventors: Anna Hjärtfors, Yi Liu, Joseph Thorman, Victor Sumerin
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Publication number: 20210079128Abstract: The present invention relates to a process for producing of solid particulate olefin polymerisation catalyst or catalyst carrier comprising forming a solution of the catalyst or a catalyst carrier in a solvent, subjecting the solution into an atomization by spraying the solution via a capillary vibrating spray nozzle with a capillary orifice having a diameter of 5 to 100 ?m generating a laminar jet of liquid, which disintegrates into liquid droplets entering into the spray-dryer, transforming the droplets with aid of a gas to solid particulate catalyst or carrier in the spray-dryer and recovering the solid particulate olefin polymerisation catalyst or carrier having particle size distribution defined by a volumetric SPAN of 0.7 or less. The invention further relates to the catalyst produced by the methods, and use thereof in olefin polymerisation process.Type: ApplicationFiled: December 20, 2018Publication date: March 18, 2021Inventors: Alexander REZNICHENKO, Jari-Jussi RUSKEENIEMI, Joseph THORMAN, Xiao Dong CHEN, Victor SUMERIN
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Patent number: 10800864Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (I) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R?groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionally subsType: GrantFiled: June 12, 2019Date of Patent: October 13, 2020Assignee: BOREALIS AGInventors: Victor Sumerin, Joseph Thorman, Jani Aho, Markku Vahteri, Ravindra Tupe, Jarmo Kela
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Publication number: 20200071508Abstract: The present invention relates to a cable jacket composition comprising a multimodal olefin copolymer, wherein said olefin copolymer has a density of 0.935-0.960 g/cm3 and MFR2 of 1.5-10.0 g/10 min and comprises a bimodal polymer mixture of a low molecular weight homo- or copolymer and a high molecular weight copolymer wherein the composition has ESCR of at least 2000 hours and wherein the numerical values of cable wear index and composition MFR2 (g/10 min) follow the correlation: Wear index<15.500+0.900*composition MFR2. The invention further relates to the process for preparing said composition and its use as outer jacket layer for a cable, preferably a communication cable, most preferably a fiber optic cable.Type: ApplicationFiled: April 6, 2018Publication date: March 5, 2020Inventors: Anna Hjärtfors, Yi Liu, Victor Sumerin, Joseph Thorman
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Publication number: 20190292284Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (1) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionallyType: ApplicationFiled: June 12, 2019Publication date: September 26, 2019Inventors: Victor SUMERIN, Joseph THORMAN, Jani AHO, Markku VAHTERI, Ravindra TUPE, Jarmo KELA
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Patent number: 10364310Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (I) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionallyType: GrantFiled: February 4, 2016Date of Patent: July 30, 2019Assignee: BOREALIS AGInventors: Victor Sumerin, Joseph Thorman, Jani Aho, Markku Vahteri, Ravindra Tupe, Jarmo Kela
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Patent number: 10118977Abstract: This invention relates to a solid MgCl2 based Natta catalyst component for producing olefin polymers and preparation of said catalyst component. Further the invention relates to a Ziegler Natta catalyst comprising said solid catalyst component, Group 13 metal compound as cocatalyst and optionally external additives. The invention further relates to the use of said catalyst component in producing olefin polymers, especially ethylene polymers with desired properties.Type: GrantFiled: December 17, 2015Date of Patent: November 6, 2018Assignee: Borealis AGInventors: Victor Sumerin, Joseph Thorman
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Publication number: 20180030179Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (I) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionallyType: ApplicationFiled: February 4, 2016Publication date: February 1, 2018Inventors: Victor SUMERIN, Joseph THORMAN, Jani AHO, Markku VAHTERI, Ravindra TUPE, Jarmo KELA
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Publication number: 20170349683Abstract: This invention relates to a solid MgCl2 based Natta catalyst component for producing olefin polymers and preparation of said catalyst component. Further the invention relates to a Ziegler Natta catalyst comprising said solid catalyst component, Group 13 metal compound as cocatalyst and optionally external additives. The invention further relates to the use of said catalyst component in producing olefin polymers, especially ethylene polymers with desired properties.Type: ApplicationFiled: December 17, 2015Publication date: December 7, 2017Inventors: Victor SUMERIN, Joseph THORMAN
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Patent number: 9708479Abstract: A process for polymerizing ethylene in the presence of a polymerization catalyst by copolymerizing ethylene with a comonomer selected from the group of C4-C10 alpha-olefins in three polymerization stages. The polymers produced in the three stages have different melt flow rates. The polymer composition produced by the process has good mechanical properties and can be used for making pipes. The process has a good productivity and provides a stable and economic operation.Type: GrantFiled: September 24, 2014Date of Patent: July 18, 2017Assignee: BOREALIS AGInventors: Thomas Hjertberg, Ravindra Tupe, Udo Wahner, Tanja Piel, Yi Liu, Alexandra Romina Albunia, Floran Prades, Joseph Thorman, Dusan Jeremic
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Publication number: 20160369091Abstract: A process for polymerizing ethylene in the presence of a polymerization catalyst by copolymerizing ethylene with a comonomer selected from the group of C4-C10 alpha-olefins in three polymerization stages. The polymers produced in the three stages have different melt flow rates. The polymer composition produced by the process has good mechanical properties and can be used for making pipes. The process has a good productivity and provides a stable and economic operation.Type: ApplicationFiled: September 24, 2014Publication date: December 22, 2016Inventors: Thomas HJERTBERG, Ravindra TUPE, Undo WAHNER, Tanja Piel, Yi LIU, Romina Alexandra ALBUNIA, Floran PRADES, Joseph THORMAN, Dusan JEREMIC
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Patent number: 9089832Abstract: A catalyst includes: (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.Type: GrantFiled: June 29, 2009Date of Patent: July 28, 2015Assignee: FINA TECHNOLOGY, INC.Inventors: Sivadinarayana Chinta, Joseph Thorman, James Butler
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Patent number: 8999258Abstract: A method for the oxidative coupling of hydrocarbons includes providing an oxidative catalyst inside a reactor and carrying out the oxidative coupling reaction under a set of reaction conditions. The reactor surfaces that contact the reactants and products do not provide a significant detrimental catalyzing effect. In an embodiment the reactor contains an inert lining or a portion of the reactor inner surface is treated to reduce the detrimental catalytic effects. In an embodiment the reactor contains a lining that includes an oxidative catalyst.Type: GrantFiled: January 30, 2013Date of Patent: April 7, 2015Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph Thorman