Patents by Inventor Carl N. Iverson

Carl N. Iverson 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).

  • Patent number: 11155658
    Abstract: Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: October 26, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Edmund M. Carnahan, Philip P. Fontaine, Carl N. Iverson, Jeffrey C. Munro, David M. Pearson, Kim Walton
  • Publication number: 20210309768
    Abstract: Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I).
    Type: Application
    Filed: August 30, 2019
    Publication date: October 7, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Ruth Figueroa, Robert D. Grigg, Jerzy Klosin, Tulaza Vaidya, Carl N. Iverson
  • Publication number: 20210230409
    Abstract: Embodiments of polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer having at least three ethylene-based components, wherein the multimodal ethylene-based polymer exhibits improved toughness.
    Type: Application
    Filed: December 19, 2018
    Publication date: July 29, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Carl N. Iverson, Amaldo T. Lorenzo, Yijian Lin, Mehmet Demirors, Didem Oner-Deliormanli, David T. Gillespie
  • Publication number: 20210102051
    Abstract: Embodiments of polymer compositions and articles comprising such compositions containing at least one LDPE and at least one multimodal ethylene-based polymer having at least three ethylene-based components.
    Type: Application
    Filed: December 19, 2018
    Publication date: April 8, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Yijian Lin, Didem Oner-Deliormanli, Arnaldo T. Lorenzo, David T. Gillespie, Carl N. Iverson
  • Publication number: 20200277412
    Abstract: Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: where X is selected from the group consisting of —ORX or NRX2.
    Type: Application
    Filed: September 19, 2018
    Publication date: September 3, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Arkady L. Krasovskiy, David R. Wilson, Tulaza Vaidya, Edmund M. Carnahan, Philip P. Fontaine, Carl N. Iverson
  • Publication number: 20200109224
    Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein:
    Type: Application
    Filed: November 20, 2019
    Publication date: April 9, 2020
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa, Mehmet Demirors, Mridula Kapur
  • Patent number: 10526431
    Abstract: The instant invention provides a procatalyst comprising a metal-ligand complex of Formula (I): (Formula I), wherein M, X, n, each Z, L, R21, R22 and R1 through R20 are each described herein.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: January 7, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa
  • Patent number: 10519260
    Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein: (Formula I).
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 31, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa, Mehmet Demirors, Mridula Kapur
  • Publication number: 20190276573
    Abstract: Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.
    Type: Application
    Filed: July 25, 2017
    Publication date: September 12, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Edmund M. Carnahan, Philip P. Fontaine, Carl N. Iverson, Jeffrey C. Munro, David M. Pearson, Kim Walton
  • Patent number: 10239974
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a ZSVR value from 1.2 to 2.6, b) a MWD from 1.5 to 2.8, and c) a tan delta (0.1 rad/s; 190 C) from 5.0 to 50.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: March 26, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Mridula Kapur, Mehmet Demirors, Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa
  • Publication number: 20170101494
    Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein: (Formula I).
    Type: Application
    Filed: June 29, 2015
    Publication date: April 13, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa, Mehmet Demirors, Mridula Babli Kapur
  • Publication number: 20170101493
    Abstract: The instant invention provides a procatalyst comprising a metal-ligand complex of Formula (I): (Formula I), wherein M, X, n, each Z, L, R21, R22 and R1 through R20 are each described herein.
    Type: Application
    Filed: June 29, 2015
    Publication date: April 13, 2017
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa
  • Publication number: 20170101495
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a ZSVR value from 1.2 to 2.6, b) a MWD from 1.5 to 2.8, and c) a tan delta (0.1 rad/s; 190 C) from 5.0 to 50.
    Type: Application
    Filed: June 29, 2015
    Publication date: April 13, 2017
    Inventors: Mridula Babli Kapur, Mehmet Demirors, Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa
  • Patent number: 9029487
    Abstract: The present invention generally relates to a process that copolymerizes two or more polymerizable olefins, and to cataclyst comprising a metal-ligand complex (precatalyst). The present invention also generally relates to ligands useful for preparing the metal-ligand complex.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: May 12, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Pulikkottil J. Thomas, Carl N. Iverson, Nermeen W. Aboelella, Kevin A. Frazier
  • Patent number: 8580976
    Abstract: The invention relates to a process for preparing a stable 2-substituted benzofuran-3-yl borate ester corresponding to the formula: said process comprising contacting 3-bromo-2-substituted-benzofuran corresponding to the formula: with an C1-4 alkyllithium at a temperature less than ?60° C. to form 3-lithio-2-substititued-benzofuran, contacting the 3-lithio-2-substituted- benzofuran at a temperature less than ?60° C. with an borate ester corresponding to the formula: and recovering the resulting borate ester product, wherein, RW' is C1-4 alkyl; Rx is C1-10 hydrocarbyl or halohydrocarbyl; and RY independently each occurrence is C1-10 hydrocarbyl, halohydrocarbyl or trialkylsilylhydrocarbyl or 2 RY groups together are a divalent hydrocarbylene of up to 20 carbons.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: November 12, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Paul C. Vosejpka, Harold W. Boone, Kevin A. Frazier, Carl N. Iverson
  • Publication number: 20130144018
    Abstract: The present invention generally relates to a process that copolymerizes two or more polymerizable olefins, and to cataclyst comprising a metal-ligand complex (precatalyst). The present invention also generally relates to ligands useful for preparing the metal-ligand complex.
    Type: Application
    Filed: August 24, 2011
    Publication date: June 6, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Jerzy Klosin, Pulikkottil J. Thomas, Carl N. Iverson, Nermeen W. Aboelella, Kevin A. Frazier
  • Patent number: 8420760
    Abstract: Substantially isotaclic propylene interpolyraets comprise (A) at least 60 weight percent (wt %) units derived from propylene, and (B) between greater than zero and 40 wt % units derived from ethylene, the propylene interpolyrner further characterized by at least one of the following properties: (1) a ratio of less than 1 measured at interpolyraer number average molecular weight (Mn), (2) a relative compositional drift of less than 50%, arid (3) propylene chain segments having a chain isotacticity triad index of at least 70 mole percent.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: April 16, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Morgan M. Hughes, Patricia Ansems, Carl N. Iverson, Lisa S. Madenjian, Daniel D. VanderLende
  • Patent number: 8362265
    Abstract: Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: January 29, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Paul C. Vosejpka, Harold W. Boone, Kevin A. Frazier, Carl N. Iverson
  • Patent number: 8299189
    Abstract: A catalyst composition comprising a zirconium complex of a polyvalent aryloxyether and the use thereof in a continuous solution polymerization of ethylene, one or more C3-30 olefins, and a conjugated or nonconjugated diene to prepare interpolymers having improved processing properties are disclosed.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: October 30, 2012
    Assignee: Dow Global Technologies, LLC
    Inventors: Harold W. Boone, Carl N. Iverson, Wayde V. Konze, Daniel D. VanderLende
  • Publication number: 20120101241
    Abstract: A catalyst composition comprising a zirconium complex of a polyvalent aryloxyether and the use thereof in a continuous solution polymerization of ethylene, one or more C3-30 olefins, and a conjugated or nonconjugated diene to prepare interpolymers having improved processing properties are disclosed.
    Type: Application
    Filed: April 24, 2007
    Publication date: April 26, 2012
    Inventors: Harold W Boone, Carl N. Iverson, Wayde V. Konze, Daniel D. VanderLende