Patents by Inventor Burkhard E. Wagner
Burkhard E. Wagner 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: 10793654Abstract: Methods of preparing a polymerization catalyst component is provided, in which a magnesium component, a Lewis acid solubilizing component, a titanium compound, optionally a transition metal compound different than the titanium compound, and typically an inert filler are combined in a slurrying agent and spray-dried to produce a catalyst precursor in the form of a substantially spherical and porous solid particle. The methods and catalysts of this disclosure can provide ethylene homopolymer and copolymer resins having a high molecular weight tail and a broadened molecular weight distribution as compared to more traditional Ziegler-Natta catalysts.Type: GrantFiled: July 31, 2018Date of Patent: October 6, 2020Assignee: Union Carbide CorporationInventors: Burkhard E. Wagner, Robert C. Job, Ann M. Schoeb-Wolters, Robert J. Jorgensen
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Patent number: 10787553Abstract: A polyethylene composition comprising a granular polyethylene resin characterized by a resin solid density of from 0.91 to 0.97 g/cm3, a ratio of intraparticle void volume to interparticle void volume of from 0.33 to 0.67, and a total resin porosity, ?total, of equal to or greater than 0.45 is provided. Further provided are articles made from the polyethylene composition.Type: GrantFiled: November 28, 2012Date of Patent: September 29, 2020Assignee: Dow Global Technologies LLCInventors: William J. Michie, Jr., Dale A. Wright, Robert J. Jorgensen, Carl F. Baker, Burkhard E. Wagner, Joe B. Garrett, Jr., Matthew H. Mills
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Patent number: 10513571Abstract: Methods of preparing a polymerization catalyst component is provided, in which a magnesium component, a Lewis acid solubilizing component, a titanium compound, optionally a transition metal compound different than the titanium compound, and typically an inert filler are combined in a slurrying agent and spray-dried to produce a catalyst precursor in the form of a substantially spherical and porous solid particle. The methods and catalysts of this disclosure can provide ethylene homopolymer and copolymer resins having a high molecular weight tail and a broadened molecular weight distribution as compared to more traditional Ziegler-Natta catalysts.Type: GrantFiled: March 13, 2015Date of Patent: December 24, 2019Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Burkhard E. Wagner, Robert C. Job, Ann M. Schoeb-Wolters, Robert J. Jorgensen
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Publication number: 20180334518Abstract: Methods of preparing a polymerization catalyst component is provided, in which a magnesium component, a Lewis acid solubilizing component, a titanium compound, optionally a transition metal compound different than the titanium compound, and typically an inert filler are combined in a slurrying agent and spray-dried to produce a catalyst precursor in the form of a substantially spherical and porous solid particle. The methods and catalysts of this disclosure can provide ethylene homopolymer and copolymer resins having a high molecular weight tail and a broadened molecular weight distribution as compared to more traditional Ziegler-Natta catalysts.Type: ApplicationFiled: July 31, 2018Publication date: November 22, 2018Inventors: Burkhard E. Wagner, Robert C. Job, Ann M. Schoeb-Wolters, Robert J. Jorgensen
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Patent number: 9221932Abstract: A method for making a support impregnated Ziegler-Natta-type catalyst precursor including at least two transition metals and a support material wherein the resulting catalyst precursor is free-flowing is provided. Also provided is a process for producing a Ziegler-Natta type procatalyst by halogenating the free flowing catalyst precursor. The Ziegler-Natta type procatalyst and the reaction product of at least one monomer in the presence of the Ziegler-Natta type procatalyst and cocatalyst are also provided.Type: GrantFiled: August 31, 2010Date of Patent: December 29, 2015Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Robert J. Jorgensen, Burkhard E. Wagner, Cynthia A. Hepburn
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Ethylene-based polymer compositions, methods of making the same, and articles prepared from the same
Patent number: 9175111Abstract: The invention provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer, and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer has a density less than, or equal to, 0.955 g/cm3, and wherein the blend has a high load melt index (I21) greater than, or equal to, 15 g/10 min, and wherein the blend has a molecular weight distribution (Mw/Mn) greater than, or equal to, 15. The invention also provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer component has a density less than, or equal to, 0.945 g/cm3, and a melt index (I2) less than, or equal to, 0.Type: GrantFiled: December 18, 2008Date of Patent: November 3, 2015Assignee: Dow Global Technologies LLCInventors: Mridula (Babli) Kapur, Robert J. Jorgensen, Burkhard E. Wagner, William J. Michie, Jr. -
Patent number: 9133287Abstract: A Ziegler-Natta procatalyst composition in the form of solid particles and comprising magnesium, halide and transition metal moieties, said particles having an average size (D50) of from 10 to 70 ?m, characterized in that at least 5 percent of the particles have internal void volume substantially or fully enclosed by a monolithic surface layer (shell), said layer being characterized by an average shell thickness/particle size ratio (Thickness Ratio) determined by SEM techniques for particles having particle size greater than 30 ?m of greater than 0.2.Type: GrantFiled: March 22, 2012Date of Patent: September 15, 2015Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Robert J. Jorgensen, Michael A. Kinnan, Michael D. Turner, Stephanie M. Whited, Laszlo L. Ban, Burkhard E. Wagner
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Publication number: 20150183906Abstract: Methods of preparing a polymerization catalyst component is provided, in which a magnesium component, a Lewis acid solubilizing component, a titanium compound, optionally a transition metal compound different than the titanium compound, and typically an inert filler are combined in a slurrying agent and spray-dried to produce a catalyst precursor in the form of a substantially spherical and porous solid particle. The methods and catalysts of this disclosure can provide ethylene homopolymer and copolymer resins having a high molecular weight tail and a broadened molecular weight distribution as compared to more traditional Ziegler-Natta catalysts.Type: ApplicationFiled: March 13, 2015Publication date: July 2, 2015Inventors: Burkhard E. Wagner, Robert C. Job, Ann M. Schoeb-Wolters, Robert J. Jorgensen
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Publication number: 20150099077Abstract: A polyethylene composition comprising a granular polyethylene resin characterized by a resin solid density of from 0.91 to 0.97 g/cm3, a ratio of intraparticle void volume to interparticle void volume of from 0.33 to 0.67, and a total resin porosity, ?total, of equal to or greater than 0.45 is provided.Type: ApplicationFiled: November 28, 2012Publication date: April 9, 2015Applicant: Dow Global Technololgies LLCInventors: William J. Michie, JR., Dale A. Wright, Robert J. Jorgensen, Carl F. Baker, Burkhard E. Wagner, Joe B. Garrett, Matthew H. Mills
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Patent number: 8916649Abstract: The present invention relates to a process of producing an ethylene polymer composition in multiple stages, of which the first stage is preferably a slurry polymerization stage, in the presence of a catalyst system, comprising: a) a solid catalyst precursor, comprising a transition metal selected from titanium and vanadium; magnesium; a halide, optionally an electron donor; and a solid particulate material comprising an inorganic oxide, and wherein the median particle diameter, D50, of the solid catalyst precursor, based upon the total volume of solid catalyst precursor, is from 1 to 13 micrometers; and b) an organoaluminium compound.Type: GrantFiled: May 3, 2012Date of Patent: December 23, 2014Assignee: Dow Global Technologies LLCInventors: Patrick J. C. Schouterden, Ruddy A. J. Nicasy, Sarat Munjal, Robert J. Jorgesen, Burkhard E. Wagner
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Patent number: 8809220Abstract: A process for making a Ziegler-Natta-type catalyst precursor including contacting a Group 4 metal compound with one or more Titanium compounds selected from the group of TiCl3 (Al-activated or hydrogen-reduced), and Ti(OR)4 where R is ethyl, isopropyl or butyl in the presence of an alcohol solution having at least one C2-C4 alcohol and at least one of MgCl2 and magnesium compounds which form MgCl2 in the presence of the alcohol solution to form a catalyst precursor solution is provided. Also provided are catalysts made from the precursors produced by the process. Also provided are polymers made using the catalysts.Type: GrantFiled: April 13, 2010Date of Patent: August 19, 2014Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Robert J. Jorgensen, Burkhard E. Wagner
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Publication number: 20120214956Abstract: The present invention relates to a process of producing an ethylene polymer composition in multiple stages, of which the first stage is preferably a slurry polymerization stage, in the presence of a catalyst system, comprising: a) a solid catalyst precursor, comprising a transition metal selected from titanium and vanadium; magnesium; a halide, optionally an electron donor; and a solid particulate material comprising an inorganic oxide, and wherein the median particle diameter, D50, of the solid catalyst precursor, based upon the total volume of solid catalyst precursor, is from 1 to 13 micrometers; and b) an organoaluminium compound.Type: ApplicationFiled: May 3, 2012Publication date: August 23, 2012Applicant: Dow Global Technologies LLCInventors: Patrick J.C. Schouterden, Ruddy Nicasy, Sarat Munjal, Burkhard E. Wagner, Robert J. Jorgensen
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Publication number: 20120178888Abstract: A Ziegler-Natta procatalyst composition in the form of solid particles and comprising magnesium, halide and transition metal moieties, said particles having an average size (D50) of from 10 to 70 ?m, characterized in that at least 5 percent of the particles have internal void volume substantially or fully enclosed by a monolithic surface layer (shell), said layer being characterized by an average shell thickness/particle size ratio (Thickness Ratio) determined by SEM techniques for particles having particle size greater than 30 ?m of greater than 0.2.Type: ApplicationFiled: March 22, 2012Publication date: July 12, 2012Applicant: Union Carbide Chemicals & Plastics Technology LLCInventors: Robert J. Jorgensen, Michael A. Kinnan, Michael D. Turner, Stephanie M. Whited, Laszlo L. Ban, Burkhard E. Wagner
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Patent number: 8202936Abstract: The present invention relates to a process of producing an ethylene polymer composition in multiple stages of which the first stage is a slurry polymerization stage, in the presence of a catalyst system comprising a) a solid catalyst precursor comprising a transition metal selected from titanium and vanadium; magnesium, a halide, optionally an electron donor, and a solid particulate material comprising an inorganic oxide, wherein the median particle diameter of the solid catalyst precursor based upon the total volume of solid catalyst precursor, D50, is from 1 to 13 micrometers; and b) an organoaluminium compound.Type: GrantFiled: July 6, 2005Date of Patent: June 19, 2012Assignee: Dow Global Technologies LLCInventors: Patrick J. C. Schouterden, Ruddy Nicasy, Sarat Munjal, Burkhard E. Wagner, Robert J. Jorgensen
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Patent number: 8173569Abstract: A Ziegler-Natta procatalyst composition in the form of solid particles and comprising magnesium, halide and transition metal moieties, said particles having an average size (D50) of from 10 to 70 ?m, characterized in that at least 5 percent of the particles have internal void volume substantially or fully enclosed by a monolithic surface layer (shell), said layer being characterized by an average shell thickness/particle size ratio (Thickness Ratio) determined by SEM techniques for particles having particle size greater than 30 ?m of greater than 0.2.Type: GrantFiled: June 24, 2005Date of Patent: May 8, 2012Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Robert J. Jorgensen, Michael A. Kinnan, Michael D. Turner, Stephanie M. Whited, Laszlo L. Ban, Burkhard E. Wagner
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Publication number: 20120053312Abstract: A method for making a support impregnated Ziegler-Natta-type catalyst precursor including at least two transition metals and a support material wherein the resulting catalyst precursor is free-flowing is provided. Also provided is a process for producing a Ziegler-Natta type procatalyst by halogenating the free flowing catalyst precursor. The Ziegler-Natta type procatalyst and the reaction product of at least one monomer in the presence of the Ziegler-Natta type procatalyst and cocatalyst are also provided.Type: ApplicationFiled: August 31, 2010Publication date: March 1, 2012Applicant: Union Carbide Chemicals & Plastics Technology LLCInventors: Robert J. Jorgensen, Burkhard E. Wagner, Cynthia A. Hepburn
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Publication number: 20110251361Abstract: A process for making a Ziegler-Natta-type catalyst precursor including contacting a Group 4 metal compound with one or more Titanium compounds selected from the group of TiCl3 (Al-activated or hydrogen-reduced), and Ti(OR)4 where R is ethyl, isopropyl or butyl in the presence of an alcohol solution having at least one C2-C4 alcohol and at least one of MgCl2 and magnesium compounds which form MgCl2 in the presence of the alcohol solution to form a catalyst precursor solution is provided. Also provided are catalysts made from the precursors produced by the process. Also provided are polymers made using the catalysts.Type: ApplicationFiled: April 13, 2010Publication date: October 13, 2011Applicant: Union Carbide Chemicals & Plastics Technology LLCInventors: Robert J. Jorgensen, Burkhard E. Wagner
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Publication number: 20110166305Abstract: A Ziegler-Natta procatalyst composition in the form of solid particles and comprising magnesium, halide and transition metal moieties, said particles having an average size (D50) of from 10 to 70 ?m, characterized in that at least 5 percent of the particles have internal void volume substantially or fully enclosed by a monolithic surface layer (shell), said layer being characterized by an average shell thickness/particle size ratio (Thickness Ratio) determined by SEM techniques for particles having particle size greater than 30 ?m of greater than 0.2.Type: ApplicationFiled: August 9, 2005Publication date: July 7, 2011Inventors: Robert J. Jorgensen, Thomas E. Spriggs, Michael D. Turner, Burkhard E. Wagner, Daniel J. Lacks
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Publication number: 20110130271Abstract: Methods of preparing a polymerization catalyst component is provided, in which a magnesium component, a Lewis acid solubilizing component, a titanium compound, optionally a transition metal compound different than the titanium compound, and typically an inert filler are combined in a slurrying agent and spray-dried to produce a catalyst precursor in the form of a substantially spherical and porous solid particle. The methods and catalysts of this disclosure can provide ethylene homopolymer and copolymer resins having a high molecular weight tail and a broadened molecular weight distribution as compared to more traditional Ziegler-Natta catalysts.Type: ApplicationFiled: August 6, 2009Publication date: June 2, 2011Applicant: Union Carbide Chemicals & Plastics Technology LLCInventors: Burkhard E. Wagner, Robert C. Job, Ann M. Schoeb-Wolters, Robert J. Jorgensen
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ETHYLENE-BASED POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME
Publication number: 20110034635Abstract: The invention provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer, and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer has a density less than, or equal to, 0.955 g/cm3, and wherein the blend has a high load melt index (I21) greater than, or equal to, 15 g/10 min, and wherein the blend has a molecular weight distribution (Mw/Mn) greater than, or equal to, 15. The invention also provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer component has a density less than, or equal to, 0.945 g/cm3, and a melt index (I2) less than, or equal to, 0.Type: ApplicationFiled: December 18, 2008Publication date: February 10, 2011Applicant: DOW GLOBAL TECHNOLOGIES INC.Inventors: Mridula Kapur, Robert J. Jorgensen, Burkhard E. Wagner, William J. Michie, JR.