Patents by Inventor Stephen P. Jaker
Stephen P. Jaker 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: 10604605Abstract: Catalyst systems and methods for making and using the same are described herein. A catalyst system can include at least three catalysts. The three catalysts include a metallocene catalyst, a first non-metallocene including a ligand complexed to a metal through two or more nitrogen atoms, and a second non-metallocene including a ligand complexed to a metal through one or more nitrogen atoms and an oxygen atom.Type: GrantFiled: December 11, 2018Date of Patent: March 31, 2020Assignee: Univation Technologies, LLCInventors: Juliet Bauer Wagner, Garth R. Giesbrecht, Sun-Chueh Kao, Stephen P. Jaker
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Publication number: 20190106519Abstract: Catalyst systems and methods for making and using the same are described herein. A catalyst system can include at least three catalysts. The three catalysts include a metallocene catalyst, a first non-metallocene including a ligand complexed to a metal through two or more nitrogen atoms, and a second non-metallocene including a ligand complexed to a metal through one or more nitrogen atoms and an oxygen atom.Type: ApplicationFiled: December 11, 2018Publication date: April 11, 2019Applicant: Univation Technologies, LLCInventors: Juliet Bauer Wagner, Garth R. Giesbrecht, Sun-Chueh Kao, Stephen P. Jaker
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Patent number: 10174143Abstract: Catalyst systems and methods for making and using the same are described herein. A catalyst system can include at least three catalysts. The three catalysts include a metallocene catalyst, a first non-metallocene including a ligand complexed to a metal through two or more nitrogen atoms, and a second non-metallocene including a ligand complexed to a metal through one or more nitrogen atoms and an oxygen atom.Type: GrantFiled: April 5, 2017Date of Patent: January 8, 2019Assignee: Univation Technologies, LLCInventors: Juliet Bauer Wagner, Garth R. Giesbrecht, Sun-Chueh Kao, Stephen P. Jaker
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Patent number: 9714305Abstract: Catalyst systems and methods for making and using the same are described herein. A catalyst system can include at least three catalysts. The three catalysts include a metallocene catalyst, a first non-metallocene including a ligand complexed to a metal through two or more nitrogen atoms, and a second non-metallocene including a ligand complexed to a metal through one or more nitrogen atoms and an oxygen atom.Type: GrantFiled: February 21, 2014Date of Patent: July 25, 2017Assignee: Univation Technologies, LLCInventors: Juliet B. Wagner, Garth R. Giesbrecht, Sun-Chueh Kao, Stephen P. Jaker
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Publication number: 20170204208Abstract: Catalyst systems and methods for making and using the same are described herein. A catalyst system can include at least three catalysts. The three catalysts include a metallocene catalyst, a first non-metallocene including a ligand complexed to a metal through two or more nitrogen atoms, and a second non-metallocene including a ligand complexed to a metal through one or more nitrogen atoms and an oxygen atom.Type: ApplicationFiled: April 5, 2017Publication date: July 20, 2017Applicant: Univation Technologies, LLCInventors: Juliet Bauer Wagner, Garth R. Giesbrecht, Sun-Chueh Kao, Stephen P. Jaker
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Publication number: 20160024238Abstract: Catalyst systems and methods for making and using the same are described herein. A catalyst system can include at least three catalysts. The three catalysts include a metallocene catalyst, a first non-metallocene including a ligand complexed to a metal through two or more nitrogen atoms, and a second non-metallocene including a ligand complexed to a metal through one or more nitrogen atoms and an oxygen atom.Type: ApplicationFiled: February 21, 2014Publication date: January 28, 2016Applicant: Univation Technologies, LLCInventors: Juliet B. Wagner, Garth R. Giesbrecht, Sun-Chueh Kao, Stephen P. Jaker
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Patent number: 8383730Abstract: Bimodal polyethylene compositions and methods for making the same are provided. In at least one specific embodiment, the bimodal polyethylene composition can include a high molecular weight component having a weight average molecular weight (Mw) of from about 400,000 to about 950,000. The bimodal polyethylene composition can also include a low molecular weight component having a weight average molecular weight (Mw) of from about 3,000 to about 100,000. The high molecular weight component can be present in an amount ranging from about 25 wt % to about 40 wt % of the bimodal polyethylene composition. The bimodal polyethylene composition can also have a percent die swell of less than about 80%.Type: GrantFiled: May 7, 2012Date of Patent: February 26, 2013Assignee: Univation Technologies, LLCInventors: Stephen P. Jaker, Sun-Cheuh Kao, Dongming Li, Daniel P. Zilker, Jr., Ching-Tai Lue
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Publication number: 20120220747Abstract: Bimodal polyethylene compositions and methods for making the same are provided. In at least one specific embodiment, the bimodal polyethylene composition can include a high molecular weight component having a weight average molecular weight (Mw) of from about 400,000 to about 950,000. The bimodal polyethylene composition can also include a low molecular weight component having a weight average molecular weight (Mw) of from about 3,000 to about 100,000. The high molecular weight component can be present in an amount ranging from about 25 wt % to about 40 wt % of the bimodal polyethylene composition. The bimodal polyethylene composition can also have a percent die swell of less than about 80%.Type: ApplicationFiled: May 7, 2012Publication date: August 30, 2012Applicant: UNIVATION TECHNOLOGIES, LLCInventors: Stephen P. Jaker, Sun-Chueh Kao, Dongming Li, Daniel P. Zilker, JR., Ching-Tai Lue
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Patent number: 8202940Abstract: Bimodal polyethylene compositions and methods for making the same are provided. In at least one specific embodiment, the bimodal polyethylene composition can include a high molecular weight component having a weight average molecular weight (Mw) of from about 400,000 to about 950,000. The bimodal polyethylene composition can also include a low molecular weight component having a weight average molecular weight (Mw) of from about 3,000 to about 100,000. The high molecular weight component can be present in an amount ranging from about 25 wt % to about 40 wt % of the bimodal polyethylene composition. The bimodal polyethylene composition can also have a percent die swell of less than about 80%.Type: GrantFiled: November 23, 2009Date of Patent: June 19, 2012Assignee: Univation Technologies, LLCInventors: Stephen P. Jaker, Sun-Chueh Kao, Dongming Li, Daniel P. Zilker, Jr., Ching-Tai Lue
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Patent number: 8129484Abstract: Disclosed herein are various processes, including continuous fluidized-bed gas-phase polymerization processes for making a high strength, high density polyethylene copolymer, comprising (including): contacting monomers that include ethylene and optionally at least one non-ethylene monomer with fluidized catalyst particles in a gas phase in the presence of hydrogen gas at an ethylene partial pressure of 100 psi or more and a polymerization temperature of 120° C. or less to produce a polyethylene copolymer having a density of 0.945 g/cc or more and an ESCR Index of 1.0 or more wherein the catalyst particles are prepared at an activation temperature of 700° C. or less, and include silica, chromium, and titanium.Type: GrantFiled: July 21, 2006Date of Patent: March 6, 2012Assignee: Univation Technologies, LLCInventors: Kevin J. Cann, Ronald S. Eisinger, Mark G. Goode, John H. Moorhouse, Cliff R. Mure, Stephen P. Jaker, Maria A. Apecetche
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Patent number: 7915357Abstract: Disclosed herein are various processes, including continuous fluidized-bed gas-phase polymerization processes for making a high strength, high density polyethylene copolymer, comprising (including): contacting monomers that include ethylene and optionally at least one non-ethylene monomer with fluidized catalyst particles in a gas phase in the presence of hydrogen gas at an ethylene partial pressure of 100 psi or more and a polymerization temperature of 105° C. or less to produce a polyethylene copolymer having a density of 0.945 g/cc or more and an ESCR Index of 1.0 or more wherein the catalyst particles are prepared at an activation temperature of 700° C. or less, and include silica, chromium, and titanium.Type: GrantFiled: February 26, 2010Date of Patent: March 29, 2011Assignee: Univation Technologies, LLCInventors: Kevin Joseph Cann, Ronald S. Eisinger, Mark Gregory Goode, John H. Moorhouse, Cliff R. Mure, Stephen P. Jaker, Maria A. Apecetche
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Patent number: 7858702Abstract: Bimodal polyethylene compositions and blow molded bottles made therefrom are provided. In at least one specific embodiment, the composition includes at least one high molecular weight polyethylene component having a molecular weight distribution (MWD) of about 6 to about 9, a short chain branch content of less than about 2 branches per 1,000 main chain carbons, and a Mz of about 1,100,000 or more. The composition also includes at least one low molecular weight polyethylene component where a ratio of weight average molecular weight of the high molecular weight polyethylene component to weight average molecular weight of the low molecular weight polyethylene component is about 20 or less. The polyethylene composition has a density of about 0.94 g/cc or more, an ESCR of about 600 hours or more, a percent die swell of about 70% or more, and may comprise at least 70% ethylene-derived units.Type: GrantFiled: September 25, 2008Date of Patent: December 28, 2010Assignee: Univation Technologies, LLCInventor: Stephen P. Jaker
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Publication number: 20100160580Abstract: Disclosed herein are various processes, including continuous fluidized-bed gas-phase polymerization processes for making a high strength, high density polyethylene copolymer, comprising (including): contacting monomers that include ethylene and optionally at least one non-ethylene monomer with fluidized catalyst particles in a gas phase in the presence of hydrogen gas at an ethylene partial pressure of 100 psi or more and a polymerization temperature of 105° C. or less to produce a polyethylene copolymer having a density of 0.945 g/cc or more and an ESCR Index of 1.0 or more wherein the catalyst particles are prepared at an activation temperature of 700° C. or less, and include silica, chromium, and titanium.Type: ApplicationFiled: February 26, 2010Publication date: June 24, 2010Applicant: Univation Technologies, LLCInventors: Kevin Joseph Cann, Ronald S. Eisinger, Mark Gregory Goode, John H. Moorhouse, Cliff R. Mure, Stephen P. Jaker, Maria A. Apecetche
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Publication number: 20100133714Abstract: Bimodal polyethylene compositions and methods for making the same are provided. In at least one specific embodiment, the bimodal polyethylene composition can include a high molecular weight component having a weight average molecular weight (Mw) of from about 400,000 to about 950,000. The bimodal polyethylene composition can also include a low molecular weight component having a weight average molecular weight (Mw) of from about 3,000 to about 100,000. The high molecular weight component can be present in an amount ranging from about 25 wt % to about 40 wt % of the bimodal polyethylene composition. The bimodal polyethylene composition can also have a percent die swell of less than about 80%.Type: ApplicationFiled: November 23, 2009Publication date: June 3, 2010Applicant: Univation Technologies, LLC.Inventors: Stephen P. Jaker, Sun-Chueh Kao, Dongming Li, Daniel P. Zilker, JR., Ching-Tai Lue
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Publication number: 20090215970Abstract: Disclosed herein are various processes, including continuous fluidized-bed gas-phase polymerization processes for making a high strength, high density polyethylene copolymer, comprising (including): contacting monomers that include ethylene and optionally at least one non-ethylene monomer with fluidized catalyst particles in a gas phase in the presence of hydrogen gas at an ethylene partial pressure of 100 psi or more and a polymerization temperature of 120° C. or less to produce a polyethylene copolymer having a density of 0.945 g/cc or more and an ESCR Index of 1.0 or more wherein the catalyst particles are prepared at an activation temperature of 700° C. or less, and include silica, chromium, and titanium.Type: ApplicationFiled: July 21, 2006Publication date: August 27, 2009Applicant: UNIVATION TECHNOLOGIES, LLC.Inventors: Kevin J. Cann, Ronald S. Eisinger, Mark G. Goode, John H. Moorhouse, Cliff R. Mure, Stephen P. Jaker, Maria A. Apecetche
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Publication number: 20090036610Abstract: Bimodal polyethylene compositions and blow molded bottles made therefrom are provided. In at least one specific embodiment, the composition includes at least one high molecular weight polyethylene component having a molecular weight distribution (MWD) of about 6 to about 9, a short chain branch content of less than about 2 branches per 1,000 main chain carbons, and a Mz of about 1,100,000 or more. The composition also includes at least one low molecular weight polyethylene component where a ratio of weight average molecular weight of the high molecular weight polyethylene component to weight average molecular weight of the low molecular weight polyethylene component is about 20 or less. The polyethylene composition has a density of about 0.94 g/cc or more, an ESCR of about 600 hours or more, a percent die swell of about 70% or more, and may comprise at least 70% ethylene-derived units.Type: ApplicationFiled: September 25, 2008Publication date: February 5, 2009Applicant: UNIVATION TECHNOLOGIES, LLCInventor: Stephen P. Jaker