Patents by Inventor John R. Hagadorn

John R. Hagadorn 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).

  • Publication number: 20240240100
    Abstract: The present disclosure relates to lubricant compositions comprising a branched copolymer and methods for making such compositions. Lubricant compositions of the present disclosure comprise an oil and a copolymer and have a high temperature high shear (HTHS) viscosity of about 5 or less, shear stability index (30 cycles) of from about 2% to about 80%, a ratio of thickening efficiency to shear stability index (30 cycles) of from about 1:2 to about 1:30, a kinematic viscosity at 100° C. of from about 3 cSt to about 30 cSt, and a thickening efficiency of about 1 or more. In another class of embodiments, the present disclosure provides a lubricant composition comprising a first and a second copolymers wherein the first copolymer has an ethylene content higher than that of the second copolymer, and wherein at least one of the two copolymers is a long chain branched ethylene copolymer.
    Type: Application
    Filed: May 11, 2022
    Publication date: July 18, 2024
    Inventors: Jo Ann M. CANICH, Jingwen ZHANG, Sara Yue ZHANG, David L. MORGAN, John R. HAGADORN, Peijun JIANG, Maryam SEPEHR
  • Publication number: 20240218282
    Abstract: The present disclosure also relates to lubrication compositions comprising a long branched ethylene copolymer and methods for making compositions. Compositions of the present disclosure can be a composition including an oil and a ethylene copolymer, the copolymer having one or more of an MWD from about 2.0 to about 6.5; an Mw(LS) from about 30,000 to about 300,000 g/mol; a g?vis of from about 0.5 to about 0.97; an ethylene content of about 40 wt % to less than 80 wt %. The compostion has a shear stability index (30 cycles) of from about 1% to about 60%; and a kinematic viscosity at 100° C. of from about 3 cSt to about 25 cSt. A method of making a composition includes blending an oil with a copolymer is also disclosed. Additionally, provided are novel long chain branched ethylene propylene copolymers and methods to produce such copolymers.
    Type: Application
    Filed: May 11, 2022
    Publication date: July 4, 2024
    Inventors: Jingwen ZHANG, Peijun JIANG, Jo Ann M. CANICH, John R. HAGADORN, Yen-Hao LIN, Sarah MATTLER, Chase A. ECKERT, Aaron REED, Adrian G. BARRY, Sara Yue ZHANG, Maryam SEPEHR, David L. MORGAN
  • Publication number: 20240084056
    Abstract: Elastomeric polyolefin-based ionomers and methods for making same. The ionomers can include a copolymer comprising: C2-C60 ?-olefin monomer units; optional C2-C60 ?-olefin comonomer units different than the monomer units; optional diene units; and about 0.1 wt % to about 20 wt % metal alkenyl units, based on the weight of the copolymer, wherein the metal alkenyl units have the formula —R(A?)—, wherein R is an alkyl group containing 2 to 10 carbon atoms, and A? is an anionic group. The copolymer can further include one or more metal cations derived from the group consisting of alkali metals, alkaline earth metals, group 3-12 metals, group 13-16 metals, and combination(s) thereof. The ionomer has a glass transition temperature of ?60° C. to 5° C., and a weight average (Mw) of 50 to 5,000 kg/mol.
    Type: Application
    Filed: December 8, 2021
    Publication date: March 14, 2024
    Inventors: Tzu-Pin Lin, Carlos R. Lopez-Barron, Avery R. Smith, Brian J. Rohde, Alex E. Carpenter, Matthew W. Holtcamp, Jo Ann M. Canich, John R. Hagadorn
  • Patent number: 11926802
    Abstract: Provided is a lubricating oil composition that includes a major amount of a lubricant base oil and a minor amount of a viscosity index improver comprising a syndiotactic propylene-based ethylene-propylene copolymer comprising: a) 2 to 20% by weight of ethylene, b) 80 to 98% by weight of propylene; c) 50 to 99% of rr triads; and d) Mw (LS) of 10 to 250 kg/mol.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: March 12, 2024
    Assignees: EXXONMOBIL CHEMICAL PATENTS INC., CHEVRON ORONITE COMPANY LLC
    Inventors: Sara Yue Zhang, Maryam Sepehr, David L. Morgan, Jingwen Zhang, Jo Ann M. Canich, Peijun Jiang, John R. Hagadorn, Chase A. Eckert, Sarah J. Mattler, Shuhui Kang, Pritesh Arjunbhai Patel
  • Publication number: 20240018279
    Abstract: This invention relates to a process to produce cyclic olefin containing polymer compositions using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by Formula (I): where M, L, X, m, n, E, E?, Q, R1, R2, R3, R4, R1?, R2?, R3?, R4?, A1, A1?, A3A2, and A2?A3? are as defined herein, where A1QA1? are part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links A2 to A2? via a 3-atom bridge with Q being the central atom of the 3-atom bridge.
    Type: Application
    Filed: July 27, 2021
    Publication date: January 18, 2024
    Inventors: Jo Ann M. Canich, Nikola S. Lambic, Gursu Culcu, Peijun Jiang, John R. Hagadorn, Sarah J. Mattler
  • Patent number: 11859032
    Abstract: A process to produce a branched ethylene-?-olefin diene elastomer comprising combining a catalyst precursor and an activator with a feed comprising ethylene, C3 to C12 ?-olefins, and a dual-polymerizable diene to obtain a branched ethylene-?-olefin diene elastomer; where the catalyst precursor is selected from pyridyldiamide and quinolinyldiamido transition metal complexes. The branched ethylene-?-olefin diene elastomer may comprise within a range from 40 to 80 wt % of ethylene-derived units by weight of the branched ethylene-?-olefin diene elastomer, and 0.1 to 2 wt % of singly-polymerizable diene derived units, 0.1 to 2 wt % of singly-polymerizable diene derived units, and the remainder comprising C3 to C12 ?-olefin derived units, wherein the branched ethylene-?-olefin diene elastomer has a weight average molecular weight (Mw) within a range from 100 kg/mole to 300 kg/mole, an average branching index (g?avg) of 0.9 or more, and a branching index at very high Mw (g?1000) of less than 0.9.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 2, 2024
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Rhutesh K. Shah, Ron Walker, John R. Hagadorn, Sudhin Datta
  • Publication number: 20230348642
    Abstract: This invention relates to a homogeneous process to produce polymers of diene monomer and one or more alpha olefins (such as ethylene-alpha-olefin-diene monomer copolymers, such as ethylene-propylene diene monomer copolymers) using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis phenolate) complexes are represented by Formula (I): where M, L, X, m, n, E, E?, Q, R1, R2, R3, R4, R1?, R2?, R3?, R4?, A1, A1?, and are as defined herein, where A1QA1? are part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links A2 to A2? via a 3-atom bridge with Q being the central atom of the 3-atom bridge.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 2, 2023
    Inventors: Peijun Jiang, Ru Xie, Jun Shi, Jo Ann M. Canich, John R. Hagadorn
  • Publication number: 20230348640
    Abstract: This invention relates to a homogeneous process to produce propylene copolymers, such as propylene ethylene copolymers, using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by Formula (I): where M, L, X, m, n, E, E?, Q, R1, R2, R3, R4, R1?, R2?, R3?, R4?, A1, A1?, and are as defined herein, where A1QA1? are part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links A2 to A2? via a 3-atom bridge with Q being the central atom of the 3-atom bridge.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 2, 2023
    Inventors: Ru Xie, Narayanaswami Dharmarajan, Peijun Jiang, Jun Shi, John R. Hagadorn, Jo Ann M. Canich, Sarah J. Mattler, Alexandra K. Valdez
  • Publication number: 20230348634
    Abstract: This invention relates to a homogeneous process to produce propylene polymers using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by Formula (I): where M, L, X, m, n, E, E?, Q, R1, R2, R3, R4, R1?, R2?, R3?, R4?, A1, A1?, and are as defined herein, where A1QA1? are part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links A2 to A2? via a 3-atom bridge with Q being the central atom of the 3-atom bridge.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 2, 2023
    Inventors: Jo Ann M. Canich, Ru Xie, Gregory J. Smith-Karahalis, Sarah J. Mattler, Mikhail I. Sharikov, Alexander Z. Voskoboynikov, Vladislav A. Popov, Dmitry V. Uborsky, Georgy P. Goryunov, John R. Hagadorn, Peijun Jiang
  • Publication number: 20230312772
    Abstract: This invention relates to transition metal complexes of a multi-dentate ligand that features a neutral heterocyclic Lewis base and a second Lewis base, where the multi-dentate ligand coordinates to the metal center to form at least one 8-membered chelate ring.
    Type: Application
    Filed: October 20, 2021
    Publication date: October 5, 2023
    Inventors: Irene C. Cai, Hua Zhou, Jo Ann M. Canich, John R, Hagadorn, Dmitry V. Uborsky, Georgy P. Goryunov, Mikhail I. Sharikov, Alexander Z. Voskoboynikov
  • Publication number: 20230287156
    Abstract: This invention relates to a homogeneous process to produce polyethylene compositions using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by formula I: where M, L, X, m, n, E, E?, Q, R1, R2, R3, R4, R1?, R2?, R3?, R4?, A1, A1?, and are as defined herein, where A1QA1? are part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links A2 to A2? via a 3-atom bridge with Q being the central atom of the 3-atom bridge.
    Type: Application
    Filed: August 11, 2020
    Publication date: September 14, 2023
    Inventors: Peijun Jiang, Jo Ann M. Canich, John R. Hagadorn
  • Patent number: 11739169
    Abstract: It has become desirable to limit or exclude aromatic solvents, such as toluene, from polymerization reactions. For polymerization reactions employing a non-metallocene transition metal complex as a precursor to a polymerization catalyst, exclusion of aromatic solvents may be difficult due to the limited solubility of such complexes in aliphatic hydrocarbon solvents. Aliphatic hydrocarbon solutions suitable for conducting olefin polymerization reactions, particularly solution polymerization reactions, may comprise: a non-metallocene transition metal complex dissolved in an aliphatic hydrocarbon solvent at a concentration ranging from about 2 mM to about 20 mM at 25° C. in the presence of an organoaluminum compound. A molar ratio of aluminum of the organoaluminum compound to transition metal of the transition metal complex is about 1:1 or greater, and the organoaluminum compound comprises at least about 8 carbons per aluminum.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: August 29, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Peijun Jiang, Francis C. Rix, Charles J. Harlan, Jo Ann M. Canich
  • Patent number: 11738334
    Abstract: This invention relates to a supported catalyst system comprising: (i) at least one first catalyst component comprising a group 4 bis(phenolate) complex; (ii) at least one second catalyst component comprising a 2,6-bis(imino)pyridyl iron complex; (iii) activator; and (iv) support. The catalyst system may be used for preparing polyolefins, such a bimodal polyethylene, typically in a gas phase polymerization.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: August 29, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Dongming Li, Kevin A. Stevens, Jo Ann M. Canich, John R. Hagadorn, Ramyaa Mathialagan, Timothy M. Boller
  • Patent number: 11732063
    Abstract: The present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization. In at least one embodiment, the catalyst compounds belong to a family of compounds comprising amido-phenolate-heterocyclic ligands coordinated to group 4 transition metals. The tridendate ligand may include a central neutral hetrocyclic donor group, an anionic phenolate donor, and an anionic amido donor. In some embodiments, the present disclosure provides a catalyst system comprising an activator and a catalyst of the present disclosure. In some embodiments, the present disclosure provides a polymerization process comprising a) contacting one or more olefin monomers with a catalyst system comprising: i) an activator and ii) a catalyst of the present disclosure.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: August 22, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Georgy P. Goryunov, Mikhail I. Sharikov, Vladislav A. Popov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov, John R. Hagadorn, Jo Ann M. Canich
  • Patent number: 11708434
    Abstract: This disclosure describes polymerization processes and processes for quenching polymerization reactions using reactive particulates, such as amorphous silica, as quenching agents, typically in solution or bulk polymerization processes.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: July 25, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jay L. Reimers, Yifeng Hong, John R. Hagadorn
  • Publication number: 20230174883
    Abstract: Provided is a lubricating oil composition that includes a major amount of a lubricant base oil and a minor amount of a viscosity index improver comprising a syndiotactic propylene-based ethylene-propylene copolymer comprising: a) 2 to 20% by weight of ethylene, b) 80 to 98% by weight of propylene; c) 50 to 99% of rr triads; and d) Mw (LS) of 10 to 250 kg/mol.
    Type: Application
    Filed: November 4, 2022
    Publication date: June 8, 2023
    Inventors: Sara Yue ZHANG, Maryam Sepehr, David L. Morgan, Jingwen Zhang, Jo Ann M. Canich, Peijun Jiang, John R. Hagadorn, Chase A. Eckert, Sarah J. Mattler, Shuhui Kang
  • Patent number: 11649256
    Abstract: The present disclosure provides catalyst compounds represented by Formula (I): where Q is OR13, SR13, NR13R14, PR13R14, or a heterocyclic ring; each R1-14 is independently hydrogen, C1-C40 hydrocarbyl, substituted C1-C40 hydrocarbyl, a heteroatom, or a heteroatom-containing group, or multiple R1-14 are joined together to form a C4-C62 cyclic, heterocyclic, or polycyclic ring structure, or combination(s) thereof; each X1 and X2 is independently C1-C20 hydrocarbyl, substituted C1-C20 hydrocarbyl, a heteroatom, or a heteroatom-containing group, or X1 and X2 join together to form a C4-C62 cyclic, heterocyclic, or polycyclic ring structure; and Y is a hydrocarbyl. The present disclosure also provides catalyst systems including an activator, a support, and a catalyst of the present disclosure. The present disclosure also provides polymerization processes including introducing olefin monomers to a catalyst system.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: May 16, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Gursu Culcu, Catherine A. Faler, Crisita Carmen H. Atienza, David A. Cano, John R. Hagadorn
  • Publication number: 20230148328
    Abstract: Provided is syndiotactic polypropylene-based ethylene-propylene copolymers comprising a) 5 to 15% by weight of ethylene and 85 to 95% by weight of propylene; b) 60 to 90% rr triads; c) Mw (LS) of 10 to 250 kg/mol; and d) no substantial melting peak, wherein the heat of fusion of the peak is 5 J/g or less as determined by differential scanning calorimetry at a scan rate of 10° C./min (ASTM D3418-03).
    Type: Application
    Filed: November 4, 2022
    Publication date: May 11, 2023
    Inventors: Jingwen ZHANG, Jo Ann M. CANICH, Peijun JIANG, John R. HAGADORN, Chase A. ECKERT, Sarah J. MATTLER, Shuhui KANG
  • Patent number: 11597782
    Abstract: The present disclosure provides methods for producing an olefin polymer by contacting a C3-C40 olefin, ethylene and a diene with a catalyst system including an activator and a metallocene catalyst compound comprising a substituted or unsubstituted indacenyl group and obtaining a C3-C40 olefin-ethylene-diene terpolymer typically comprising from 1 to 35 mol % of ethylene, from 98.9 to 65 mol % C3-C40 olefin, and, optionally, from 0.1 to 10 mol % diene. Preferably, a propylene-ethylene-ethylidene norbornene is obtained.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: March 7, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, John R. Hagadorn, Rhutesh Shah, Florin Barsan, Sarah J. Mattler
  • Patent number: 11584707
    Abstract: The present disclosure provides borate or aluminate activators comprising cations having linear alkyl groups, catalyst systems comprising, and methods for polymerizing olefins using such activators.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: February 21, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Catherine A. Faler, Margaret T. Whalley, John R. Hagadorn