Patents by Inventor C. Jeff Harlan
C. Jeff Harlan 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: 11708438Abstract: A system and method of producing polyethylene, including: polymerizing ethylene in presence of a catalyst system in a reactor to form polyethylene, wherein the catalyst system includes a first catalyst and a second catalyst; and adjusting reactor conditions and an amount of the second catalyst fed to the reactor to control melt index (MI), density, and melt flow ratio (MFR) of the polyethylene.Type: GrantFiled: May 26, 2021Date of Patent: July 25, 2023Assignee: Univation Technologies, LLCInventors: Timothy M. Boller, Ching-Tai Lue, Francis C. Rix, Daniel P. Zilker, Jr., C. Jeff Harlan, James M. Farley, Fathi David Hussein, Dongming Li, Steven A. Best
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Publication number: 20230174694Abstract: Catalyst systems and methods for making and using the same. A method of polymerizing olefins to produce a polyolefin polymer with a multimodal composition distribution, includes contacting ethylene and a comonomer with a catalyst system. The catalyst system includes a first catalyst compound and a second catalyst compound that are co-supported to form a commonly supported catalyst system. The first catalyst compound includes a compound with the general formula (C5HaR1b)(C5HcR2d)HfX2. The second catalyst compound includes at least one of the following general formulas: In both catalyst systems, the R groups can be independently selected from any number of substituents, including, for example, H, a hydrocarbyl group, a substituted hydrocarbyl group, or a heteroatom group, among others.Type: ApplicationFiled: January 30, 2023Publication date: June 8, 2023Applicant: Univation Technologies, LLCInventors: Francis C. Rix, Ching-Tai Lue, C. Jeff Harlan, Laughlin G. McCullough
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Patent number: 11661466Abstract: Catalyst systems and methods for making and using the same. A method of methylating a catalyst composition while substantially normalizing the entiomeric distribution is provided. The method includes slurrying the organometallic compound in dimethoxyethane (DME), and adding a solution of RMgBr in DME, wherein R is a methyl group or a benzyl group, and wherein the RMgBr is greater than about 2.3 equivalents relative to the organometallic compound. After the addition of the RMgBr, the slurry is mixed for at least about four hours. An alkylated organometallic is isolated, wherein the methylated species has a meso/rac ratio that is between about 0.9 and about 1.2.Type: GrantFiled: September 15, 2021Date of Patent: May 30, 2023Assignee: Univation Technologies, LLCInventors: Francis C. Rix, Alexander D. Todd, C. Jeff Harlan
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Patent number: 11608396Abstract: Catalyst systems and methods for making and using the same are disclosed. A catalyst composition is provided that includes a catalyst compound supported to form a supported catalyst system, the catalyst compound including: where each of R1, R2, R3, R4, R5, R6, R7 and X are as discussed herein.Type: GrantFiled: March 15, 2021Date of Patent: March 21, 2023Assignee: Univation Technologies, LLCInventors: Donna J. Crowther, C. Jeff Harlan, Jackie Lovell, Haiqing Peng
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Patent number: 11414505Abstract: A polymerization catalyst system, a method of using the polymerization catalyst system, and a polymer produced with the catalyst system. The polymerization catalyst system has a non-metallocene catalyst and a metallocene catalyst. The metallocene catalyst has the formula: wherein R1 and R2 are each independently, phenyl, methyl, chloro, fluoro, or a hydrocarbyl group.Type: GrantFiled: November 10, 2020Date of Patent: August 16, 2022Assignee: Univation Technologies, LLCInventors: C. Jeff Harlan, Timothy R. Lynn, Fathi David Hussein, Timothy M. Boller
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Publication number: 20220002455Abstract: Catalyst systems and methods for making and using the same. A method of methylating a catalyst composition while substantially normalizing the entiomeric distribution is provided. The method includes slurrying the organometallic compound in dimethoxyethane (DME), and adding a solution of RMgBr in DME, wherein R is a methyl group or a benzyl group, and wherein the RMgBr is greater than about 2.3 equivalents relative to the organometallic compound. After the addition of the RMgBr, the slurry is mixed for at least about four hours. An alkylated organometallic is isolated, wherein the methylated species has a meso/rac ratio that is between about 0.9 and about 1.2.Type: ApplicationFiled: September 15, 2021Publication date: January 6, 2022Applicant: Univation Technologies, LLCInventors: Francis C. Rix, Alexander D. Todd, C. Jeff Harlan
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Patent number: 11208512Abstract: A high density, high polydispersity polyethylene having improved properties, and a process of producing same.Type: GrantFiled: January 12, 2018Date of Patent: December 28, 2021Assignee: Univation Technologies, LLCInventors: Peter S. Martin, John F. Szul, Roger L. Kuhlman, Mahsa McDougal, C. Jeff Harlan, Timothy M. Boller
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Patent number: 11203609Abstract: Embodiments of the present disclosure are directed towards metal complexes that can be utilized to form polymers. As an example, the present disclosure provides a metal complex of Formula I: wherein each Me represents methyl.Type: GrantFiled: May 16, 2018Date of Patent: December 21, 2021Assignee: Univation Technologies, LLCInventors: C. Jeff Harlan, Ching-Tai Lue
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Method of determining a relative decrease in catalytic efficacy of a catalyst in a catalyst solution
Patent number: 11203651Abstract: The present disclosure provides a method of determining a relative decrease in catalytic efficacy of a catalyst in a test sample of a catalyst solution with unknown catalytic activity. The method includes (a) mixing the test sample with a test solvent to form a test mixture and (b) measuring the increase in the temperature of the test mixture at predetermined time intervals immediately after forming the test mixture. A predetermined feature is used to determine both a test value in the increase in temperature measured in (b) and a control value in a known increase in temperature of a control mixture of the test solvent with a control sample of a control catalyst solution. The relative decrease in catalytic efficacy of the catalyst in the test sample having the unknown catalytic activity is then determined from: Relative Decrease in Catalytic Efficacy=Control Value?Test Value/Control Value.Type: GrantFiled: June 1, 2018Date of Patent: December 21, 2021Assignee: Univation Technologies, LLCInventors: Ian M. Munro, C. Jeff Harlan -
Patent number: 11142598Abstract: Catalyst systems and methods for making and using the same. A method of methylating a catalyst composition while substantially normalizing the entiomeric distribution is provided. The method includes slurrying the organometallic compound in dimethoxyethane (DME), and adding a solution of RMgBr in DME, wherein R is a methyl group or a benzyl group, and wherein the RMgBr is greater than about 2.3 equivalents relative to the organometallic compound. After the addition of the RMgBr, the slurry is mixed for at least about four hours. An alkylated organometallic is isolated, wherein the methylated species has a meso/rac ratio that is between about 0.9 and about 1.2.Type: GrantFiled: August 15, 2019Date of Patent: October 12, 2021Assignee: Univation Technologies, LLCInventors: Francis C. Rix, Alexander D. Todd, C. Jeff Harlan
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Publication number: 20210284770Abstract: A system and method of producing polyethylene, including: polymerizing ethylene in presence of a catalyst system in a reactor to form polyethylene, wherein the catalyst system includes a first catalyst and a second catalyst; and adjusting reactor conditions and an amount of the second catalyst fed to the reactor to control melt index (MI), density, and melt flow ratio (MFR) of the polyethylene.Type: ApplicationFiled: May 26, 2021Publication date: September 16, 2021Applicant: Univation Technologies, LLCInventors: Timothy M. Boller, Ching-Tai Lue, Francis C. Rix, Daniel P. Zilker, JR., C. Jeff Harlan, James M. Farley, Fathi David Hussein, Dongming Li, Steven A. Best
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Publication number: 20210198391Abstract: Catalyst systems and methods for making and using the same are disclosed. A catalyst composition is provided that includes a catalyst compound supported to form a supported catalyst system, the catalyst compound including: where each of R1, R2, R3, R4, R5, R6, R7 and X are as discussed herein.Type: ApplicationFiled: March 15, 2021Publication date: July 1, 2021Applicant: Univation Technologies, LLCInventors: Donna J. Crowther, C. Jeff Harlan, Jackie Lovell, Haiqing Peng
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Patent number: 11034783Abstract: A system and method of producing polyethylene, including: polymerizing ethylene in presence of a catalyst system in a reactor to form polyethylene, wherein the catalyst system includes a first catalyst and a second catalyst; and adjusting reactor conditions and an amount of the second catalyst fed to the reactor to control melt index (MI), density, and melt flow ratio (MFR) of the polyethylene.Type: GrantFiled: February 18, 2019Date of Patent: June 15, 2021Assignee: Univation Technologies, LLCInventors: Timothy M. Boller, Ching-Tai Lue, Francis C. Rix, Daniel P. Zilker, Jr., C. Jeff Harlan, James M. Farley, Fathi David Hussein, Dongming Li, Steven A. Best
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Patent number: 11028191Abstract: Embodiments of the present disclosure directed towards polymerization catalysts having improved ethylene enchainment. As an example, the present disclosure provides a polymerization catalyst having improved ethylene enchainment, the polymerization catalyst comprising a zirconocene catalyst of Formula (I) where R1 is a C1 to C20 alkyl, aryl or aralkyl group, wherein R2 is an C1 to C20 alkyl, aryl or aralkyl group, and where R3 is a C1 to C20 alkyl or a hydrogen, and where each X is independently a halide, C1 to C20 alkyl, aralkyl group or hydrogen.Type: GrantFiled: September 26, 2017Date of Patent: June 8, 2021Assignee: Univation Technologies, LLCInventors: Roger L. Kuhlman, Mahsa McDougal, Timothy M. Boller, C. Jeff Harlan, Timothy R. Lynn, Cliff R. Mure, John F. Szul, Daniel P. Zilker, Jr.
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Method of Determining a Relative Decrease in Catalytic Efficacy of a Catalyst in a Catalyst solution
Publication number: 20210122846Abstract: The present disclosure provides a method of determining a relative decrease in catalytic efficacy of a catalyst in a test sample of a catalyst solution with unknown catalytic activity. The method includes (a) mixing the test sample with a test solvent to form a test mixture and (b) measuring the increase in the temperature of the test mixture at predetermined time intervals immediately after forming the test mixture. A predetermined feature is used to determine both a test value in the increase in temperature measured in (b) and a control value in a known increase in temperature of a control mixture of the test solvent with a control sample of a control catalyst solution.Type: ApplicationFiled: June 1, 2018Publication date: April 29, 2021Applicant: Univation Technologies, LLCInventors: Ian M. Munro, C. Jeff Harlan -
Patent number: 10975174Abstract: Catalyst systems and methods for making and using the same are disclosed. A catalyst composition is provided that includes a catalyst compound supported to form a supported catalyst system, the catalyst compound including: where each of R1, R2, R3, R4, R5, R6, R7 and X are as discussed herein.Type: GrantFiled: July 30, 2019Date of Patent: April 13, 2021Assignee: Univation Technologies, LLCInventors: Donna J. Crowther, C. Jeff Harlan, Jackie Lovell, Haiqing Peng
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Publication number: 20210054122Abstract: A polymerization catalyst system, a method of using the polymerization catalyst system, and a polymer produced with the catalyst system. The polymerization catalyst system has a non-metallocene catalyst and a metallocene catalyst. The metallocene catalyst has the formula: wherein R1 and R2 are each independently, phenyl, methyl, chloro, fluoro, or a hydrocarbyl group.Type: ApplicationFiled: November 10, 2020Publication date: February 25, 2021Applicant: Univation Technologies, LLCInventors: C. Jeff Harlan, Timothy R. Lynn, Fathi David Hussein, Timothy M. Boller
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Publication number: 20210024670Abstract: Catalyst systems and methods for making and using the same. A method of polymerizing olefins to produce a polyolefin polymer with a multimodal composition distribution, includes contacting ethylene and a comonomer with a catalyst system. The catalyst system includes a first catalyst compound and a second catalyst compound that are co-supported to form a commonly supported catalyst system. The first catalyst compound includes a compound with the general formula (C5HaR1b)(C5HcR2d)HfX2. The second catalyst compound includes at least one of the following general formulas: In both catalyst systems, the R groups can be independently selected from any number of substituents, including, for example, H, a hydrocarbyl group, a substituted hydrocarbyl group, or a heteroatom group, among others.Type: ApplicationFiled: October 9, 2020Publication date: January 28, 2021Applicant: Univation Technologies, LLCInventors: Francis C. Rix, Ching-Tai Lue, C. Jeff Harlan, Laughlin G. McCullough
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Patent number: 10865259Abstract: A polymerization catalyst system, a method of using the polymerization catalyst system, and a polymer produced with the catalyst system. The polymerization catalyst system has a non-metallocene catalyst and a metallocene catalyst. The metallocene catalyst has the formula: wherein R1 and R2 are each independently, phenyl, methyl, chloro, fluoro, or a hydrocarbyl group.Type: GrantFiled: April 15, 2016Date of Patent: December 15, 2020Assignee: Univation Technologies, LLCInventors: C. Jeff Harlan, Timothy R. Lynn, Fathi David Hussein, Timothy M. Boller
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Patent number: 10815255Abstract: Synthetic methods for the preparation of ligands and metal-ligand complexes are disclosed.Type: GrantFiled: January 5, 2018Date of Patent: October 27, 2020Assignee: Univation Technologies, LLCInventors: Catherine A. Faler, C. Jeff Harlan