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: 10730966Abstract: 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 M is Zr, Hf, or Ti; each Het is independently a heterocyclic; each L is independently a bridging group; each X is independently Cl, Br, I, or alkyl; each R1 is independently selected from the group including hydrogen, alkyls, alkenyls, alkynyls, cycloalkyls, aryls, acyls, aroyls, alkoxys, aryloxys, alkylthiols, dialkylamines, alkylamidos, alkoxycarbonyls, aryloxycarbonyls, carbomoyls, alkyl- and dialkyl-carbamoyls, acyloxys, acylaminos, aroylaminos, aromatic rings, fused aromatic rings, and combinations thereof; and each n is independently an integer having a value of one to five.Type: GrantFiled: March 13, 2017Date of Patent: August 4, 2020Assignee: Univation Technologies, LLCInventors: Mahsa Heydari, Roger L. Kuhlman, C. Jeff Harlan
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Publication number: 20200190128Abstract: 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: ApplicationFiled: May 16, 2018Publication date: June 18, 2020Applicant: Univation Technologies, LLCInventors: C. Jeff Harlan, Ching-Tai Lue
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Patent number: 10654029Abstract: Disclosed are novel bridged bi-aromatic phenol ligands and transition metal catalyst compounds derived therefrom. Also disclosed are methods of making the ligands and transition metal compounds, and polymerization processes utilizing the transition metal compounds for the production of olefin polymers.Type: GrantFiled: December 12, 2018Date of Patent: May 19, 2020Assignee: Univation Technologies, LLCInventors: Catherine Anne Faler, C. Jeff Harlan
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Patent number: 10626134Abstract: Catalyst systems and methods for making and using the same are disclosed. In an example, a method of synthesizing a monocyclopentadienyl compound is provided. The method includes melting a dicyclopentadienyl compound including the following structure: As used herein, M is hafnium or zirconium. Each R is independently an H, a hydrocarbyl group, a substituted hydrocarbyl group, a heteroatom group. Each X is a leaving group selected from a halogen or a heteroatom group.Type: GrantFiled: February 27, 2019Date of Patent: April 21, 2020Assignee: Univation Technologies, LLCInventor: C. Jeff Harlan
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Patent number: 10604606Abstract: Catalyst systems and methods for making and using the same are described. A method includes selecting a catalyst blend using a blend polydispersity index (bPDI) map. The polydispersity map is generated by generating a number of polymers for at least two catalysts. Each polymer is generated at a different hydrogen to ethylene ratio. At least one catalyst generates a higher molecular weight polymer and another catalyst generates a lower molecular weight polymer. A molecular weight for each polymer is measured. The relationship between the molecular weight of the polymers generated by each of the catalysts and the ratio of hydrogen to ethylene is determined. A family of bPDI curves for polymers that would be made using a number of ratios of a blend of the at least two catalysts for each of a number of ratios of hydrogen to ethylene.Type: GrantFiled: February 7, 2019Date of Patent: March 31, 2020Assignee: Univation Technologies, LLCInventors: Francis C. Rix, Ching-Tai Lue, Timothy M. Boller, Garth R. Giesbrecht, C. Jeff Harlan
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Publication number: 20200048384Abstract: A high density, high polydispersity polyethylene having improved properties, and a process of producing same.Type: ApplicationFiled: January 12, 2018Publication date: February 13, 2020Applicant: Univation Technologies, LLCInventors: Peter S. Martin, John F. Szul, Roger L. Kuhlman, Mahsa McDougal, C. Jeff Harlan, Timothy M. Boller
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Publication number: 20200031958Abstract: 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: ApplicationFiled: September 26, 2017Publication date: January 30, 2020Applicant: 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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Patent number: 10538604Abstract: 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: April 14, 2016Date of Patent: January 21, 2020Assignee: Univation Technologies, LLCInventors: Donna J. Crowther, C. Jeff Harlan, Jackie Lovell, Haiqing Peng
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Patent number: 10519095Abstract: Synthetic methods for the preparation of ligands and metal-ligand complexes are disclosed.Type: GrantFiled: January 5, 2018Date of Patent: December 31, 2019Assignee: Univation Technologies, LLCInventors: Catherine A. Faler, C. Jeff Harlan
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Publication number: 20190367650Abstract: 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: August 15, 2019Publication date: December 5, 2019Applicant: Univation Technologies, LLCInventors: Francis C. Rix, Alexander D. Todd, C. Jeff Harlan
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Publication number: 20190352314Abstract: Synthetic methods for the preparation of ligands and metal-ligand complexes are disclosed.Type: ApplicationFiled: January 5, 2018Publication date: November 21, 2019Applicant: Univation Technologies, LLCInventors: Catherine A. Faler, C. Jeff Harlan
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Publication number: 20190352252Abstract: Synthetic methods for the preparation of ligands and metal-ligand complexes are disclosed.Type: ApplicationFiled: January 5, 2018Publication date: November 21, 2019Applicant: Univation Technologies, LLCInventors: Catherine A. Faler, C. Jeff Harlan
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Publication number: 20190352436Abstract: 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: July 30, 2019Publication date: November 21, 2019Applicant: Univation Technologies, LLCInventors: Donna J. Crowther, C. Jeff Harlan, Jackie Lovell, Haiqing Peng
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Publication number: 20190322780Abstract: 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: June 5, 2019Publication date: October 24, 2019Applicant: Univation Technologies, LLCInventors: Francis C. Rix, Ching-Tai Lue, C. Jeff Harlan, Laughlin G. McCullough
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Patent number: 10421829Abstract: 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: February 26, 2018Date of Patent: September 24, 2019Assignee: Univation Technologies, LLCInventors: Francis C. Rix, Alexander D. Todd, C. Jeff Harlan
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Patent number: 10392456Abstract: 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: February 26, 2018Date of Patent: August 27, 2019Assignee: Univation Technologies, LLCInventors: Francis C. Rix, Alexander D. Todd, C. Jeff Harlan
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Publication number: 20190194238Abstract: Catalyst systems and methods for making and using the same are disclosed. In an example, a method of synthesizing a monocyclopentadienyl compound is provided. The method includes melting a dicyclopentadienyl compound including the following structure: As used herein, M is hafnium or zirconium. Each R is independently an H, a hydrocarbyl group, a substituted hydrocarbyl group, a heteroatom group. Each X is a leaving group selected from a halogen or a heteroatom group.Type: ApplicationFiled: February 27, 2019Publication date: June 27, 2019Applicant: Univation Technologies, LLCInventor: C. Jeff Harlan
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Publication number: 20190177452Abstract: 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: February 18, 2019Publication date: June 13, 2019Applicant: 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: 20190169333Abstract: Catalyst systems and methods for making and using the same are described. A method includes selecting a catalyst blend using a blend polydispersity index (bPDI) map. The polydispersity map is generated by generating a number of polymers for at least two catalysts. Each polymer is generated at a different hydrogen to ethylene ratio. At least one catalyst generates a higher molecular weight polymer and another catalyst generates a lower molecular weight polymer. A molecular weight for each polymer is measured. The relationship between the molecular weight of the polymers generated by each of the catalysts and the ratio of hydrogen to ethylene is determined. A family of bPDI curves for polymers that would be made using a number of ratios of a blend of the at least two catalysts for each of a number of ratios of hydrogen to ethylene.Type: ApplicationFiled: February 7, 2019Publication date: June 6, 2019Applicant: Univation Technologies, LLCInventors: Francis C. Rix, Ching-Tai Lue, Timothy M. Boller, Garth R. Giesbrecht, C. Jeff Harlan
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Publication number: 20190144570Abstract: 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 M is Zr, Hf, or Ti; each Het is independently a heterocyclic; each L is independently a bridging group; each X is independently Cl, Br, I, or alkyl; each R1 is independently selected from the group including hydrogen, alkyls, alkenyls, alkynyls, cycloalkyls, aryls, acyls, aroyls, alkoxys, aryloxys, alkylthiols, dialkylamines, alkylamidos, alkoxycarbonyls, aryloxycarbonyls, carbomoyls, alkyl- and dialkyl-carbamoyls, acyloxys, acylaminos, aroylaminos, aromatic rings, fused aromatic rings, and combinations thereof; and each n is independently an integer having a value of one to five.Type: ApplicationFiled: March 13, 2017Publication date: May 16, 2019Applicant: Univation Technologies, LLCInventors: Mahsa Heydari, Roger L. Kuhlman, C. Jeff Harlan