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).

  • Branched EPDM Polymers Produced Via Use of Vinyl Transfer Agents and Processes for Production Thereof
    Publication number: 20180244817
    Abstract: This invention relates to the use of quinolinyldiamido transition metal complexes and catalyst systems with an activator and a metal hydrocarbenyl chain transfer agent, such as an aluminum vinyl-transfer agent (AVTA), to produce branched propylene-ethylene-diene terpolymers.
    Type: Application
    Filed: February 27, 2018
    Publication date: August 30, 2018
    Inventors: John R. Hagadorn, Jo Ann M. Canich, Andy H. Tsou, Narayanaswami Dharmarajan, Peijun Jiang, Rhutesh K. Shah
  • Polymers Produced via Use of Vinyl Transfer Agents
    Publication number: 20180201698
    Abstract: Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 19, 2018
    Inventors: John R. Hagadorn, Jo Ann M. Canich, Matthew W. Holtcamp, Patrick J. Palafox, Ramyaa Mathialagan
  • Aluminum Alkyls with Pendant Olefins on Clays
    Publication number: 20180201700
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems, and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising ion-exchange layered silicate, a catalyst compound, an activator and an aluminum compound represented by formula: Al(R?)3?v(R?)v, wherein each R?, independently, is a C1-C30 hydrocarbyl group; each R?, independently, is a C4-C20 hydrocarbenyl group; and v is from 0.1 to 3.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 19, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Aluminum Alkyls with Pendant Olefins for Polyolefin Reactions
    Publication number: 20180194872
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising a support, an organoaluminum compound and a metallocene.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 12, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Polymerization process using pyridyldiamido compounds supported on organoaluminum treated layered silicate supports
    Patent number: 9982067
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a pyridyldiamido compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: May 29, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, John R. Hagadorn, Gregory S. Day, Machteld M. W. Mertens, Gerardo J. Majano Sanchez, Rohan A. Hule
  • Branched Propylene Polymers Produced via Use of Vinyl Transfer Agents and Processes for Production Thereof
    Publication number: 20180134827
    Abstract: This invention relates to the use of pyridyldiamido and/or quinolinyldiamido transition metal complexes and catalyst systems with an activator and a metal hydrocarbenyl chain transfer agent, such as an aluminum vinyl-transfer agent (AVTA), to produce branched propylene polymers, preferably propylene-ethylene copolymers or propylene-ethylene-diene monomer copolymers.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: John R. Hagadorn, Jo Ann M. Canich, Peijun Jiang, Rhutesh K. Shah
  • Polymers Produced via Use of Quinolinyldiamido Transition Metal Complexes and Vinyl Transfer Agents
    Publication number: 20180134816
    Abstract: Catalyst systems with single site transition metal complexes (such as quinolinyldiamide transition metal complexes), an activator, and a metal hydrocarbenyl transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Jo Ann M. Canich, John R. Hagadorn
  • Supported Catalyst Systems and Processes for Use Thereof
    Publication number: 20180118860
    Abstract: This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, a metallocene compound, a support material and, optionally, an activator. The catalyst system may be used for preparing multi-modal polyolefins.
    Type: Application
    Filed: March 10, 2016
    Publication date: May 3, 2018
    Inventors: Xuan YE, John R. HAGADORN, Matthew W. HOLTCAMP, Gregory S. DAY, David F. SANDERS, Carlos R. LOPEZ-BARRON
  • Supported Catalyst Systems and Processes for Use Thereof
    Publication number: 20180086859
    Abstract: This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, an activator and a support material. The catalyst system may be used for preparing ultrahigh molecular weight polyolefins.
    Type: Application
    Filed: March 10, 2016
    Publication date: March 29, 2018
    Inventors: Xuan Ye, John R. Hagadorn, Matthew W. Holtcamp, Gregory S. Day, David F. Sanders
  • Propylene-alpha Olefin Copolymers and Methods for Making the Same
    Publication number: 20180044513
    Abstract: Provided is a composition having 60 wt % to 95 wt % of a first propylene alpha-olefin copolymer component having a reactivity ratio product of less than 0.75 and a weight average molecular weight of greater than about 450,000 g/mol; and 5 wt % to 40 wt % of a second propylene alpha-olefin copolymer component having a reactivity ratio of greater than 1.5 and a weight average molecular weight of less than about 215,000 g/mol.
    Type: Application
    Filed: July 17, 2017
    Publication date: February 15, 2018
    Inventors: Andy H. Tsou, Alexander I. Norman, John R. Hagadorn, Gabor Kiss, Peijun Jiang, Sarah J. Mattler
  • Propylene-Olefin Copolymers and Methods for Making the Same
    Publication number: 20180044514
    Abstract: Provided is a composition having 70 wt % to 90 wt % of a first propylene-olefin copolymer component having an ethylene content of 15 to 21 wt %; and 10 wt % to 30 wt % of a second propylene-olefin copolymer component having an ethylene content of 6 to 10 wt %; wherein the weight average molecular weight of the first component is 250,000 to 1,780,000 g/mol higher than the weight average molecular weight of the second component; wherein the reactivity ratio product of the first component is less than 0.75; wherein the reactivity ratio product of the second component is greater than or equal to 0.75.
    Type: Application
    Filed: July 17, 2017
    Publication date: February 15, 2018
    Inventors: Alexander I. Norman, Gregory K. Hall, John R. Hagadorn, Andy H. Tsou, Peijun Jiang, Ying Ying Sun, Sarah J. Mattler, Arturo Leyva
  • Heterocyclic Amido Transition Metal Complexes, Production and Use Thereof
    Publication number: 20180030162
    Abstract: Heterocyclic amido transition metal complexes are disclosed for use in alkene polymerization to produce polyolefins, preferably multimodal polyolefins. The heterocyclic amido transition metal complexes are formed by the chelation of a tridentate dianionic heterocyclic amido ligand to a group 3, 4, or 5 transition metal, where the tridentate ligand coordinates to the metal forming a five-membered ring and an eight-membered ring.
    Type: Application
    Filed: June 29, 2017
    Publication date: February 1, 2018
    Inventors: John R. Hagadorn, Jo Ann M. Canich, Alexander Z. Voskoboynikov, Pavel S. Kulyabin, Georgy P. Goryunov, Dmitry V. Uborsky
  • Process to produce ethylene conjugated diene copolymers and copolymers therefrom
    Patent number: 9879104
    Abstract: This invention relates to a process to using an aminopyridinate scandium or yttrium metal (typically scandium) catalyst compound to produce ethylene conjugated diene copolymers, preferably ethylene isoprene copolymers having: 1) from 75 to 90 mol % ethylene; 2) from 10 to 25 mol % isoprene; 3) a Tg of 0° C. or less; 4) 1,4 isomer present at 60 wt % or less; 5) 3,4 and 1,2 present at 40% or more; 6) Mn of 250,000 g/mol or less; and 7) optionally, a Tm of 100° C. or less.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: January 30, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John F. Walzer, Jr., Anna A. Michels, John R. Hagadorn, Sarah J. Mattler, Carlos R. Lopez-Barron, Anthony J. Dias
  • Quinolinyldiamido Transition Metal Complexes, Production and Use Thereof
    Publication number: 20180002352
    Abstract: Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.
    Type: Application
    Filed: June 21, 2017
    Publication date: January 4, 2018
    Inventors: John R. Hagadorn, Patrick J. Palafox, Peijun Jiang, Yaohua Gao, Xin Chen, Georgy P. Goryunov, Mikhail I. Sharikov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov
  • Metallocene Catalyst Compositions and Polymerization Process Therewith
    Publication number: 20170342175
    Abstract: This invention relates homogeneous (solution) polymerization of propylene at higher temperatures (80° C. or more) using bisindenyl metallocene catalyst compounds having long (at least 4 carbon atoms) linear alkyl groups substituted at the 2-position and substituted or unsubstituted aryl groups at the 4-position.
    Type: Application
    Filed: March 6, 2017
    Publication date: November 30, 2017
    Inventors: John R. Hagadorn, Jian Yang
  • Propylene-Based Elastomers for Roofing Compositions and Methods for Preparing the Same
    Publication number: 20170260378
    Abstract: Provided herein are elastomer blends and membranes including a blend of a propylene-based elastomer a thermoplastic resin, a flame retardant, and an ultraviolet stabilizer.
    Type: Application
    Filed: January 20, 2017
    Publication date: September 14, 2017
    Inventors: Liang Li, Felix M. Zacarias, Nayayanaswami Dharmarajan, Jan Kalfus, John R. Hagadorn, Peijun Jiang
  • Bisphenolate transition metal complexes, production and use thereof
    Patent number: 9745327
    Abstract: Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: August 29, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, David A. Cano, John R. Hagadorn, Rhutesh K. Shah
  • Self-assembled Propylene-based Compositions and Methods of Production Thereof
    Publication number: 20170240725
    Abstract: Disclosed are self-assembled propylene-based bi-layer compositions having a skin layer comprising a propylene-based elastomer-toughened composition and a core layer comprising a propylene-based fiber-reinforced composition, wherein the propylene-based elastomer-toughened composition and propylene-based fiber-reinforced composition self-assemble upon mixing into the skin layer and the core layer. Processes for producing these self-assembled propylene-based compositions are also disclosed.
    Type: Application
    Filed: December 21, 2016
    Publication date: August 24, 2017
    Inventors: Andy H. Tsou, John R. Hagadorn, Viktor Buchholz, Peijun Jiang
  • Graft engineering thermoplastics with polyolefins
    Patent number: 9695288
    Abstract: A graft copolymer comprising polyolefin and engineering thermoplastic components, wherein the thermoplastic component is a polymer comprising heteroatoms or heteroatom containing moieties in its backbone and phenyl or substituted phenyl groups, the polyolefin component covalently bound to the engineering thermoplastic component. The graft copolymer is the reaction product of an engineering thermoplastic having at least one phenylene in the polymer backbone, and a vinyl/vinylidene terminated polyolefin having a weight average molecular weight of at least 300 g/mole, wherein the vinyl/vinylidene terminated polyolefin is selected from polyethylenes, polypropylenes, ethylene-propylene copolymers, polyisobutylenes, polydienes, propylene-based elastomers, ethylene-based plastomers, and combinations thereof.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: July 4, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Yong Yang, John R. Hagadorn, Andy H. Tsou
  • Polymerization Process Using Pyridyldiamido Compounds Supported on Organoaluminum Treated Layered Silicate Supports
    Publication number: 20170088641
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a pyridyldiamido compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Application
    Filed: August 17, 2016
    Publication date: March 30, 2017
    Inventors: Matthew W. Holtcamp, John R. Hagadorn, Gregory S. Day, Machteld M. W. Mertens, Gerardo J. Majano Sanchez, Rohan A. Hule