Patents by Inventor Edmund M. Carnahan

Edmund M. Carnahan 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: 11787880
    Abstract: Embodiments are directed to catalyst systems comprising: a procatalyst; and a co-catalyst, the co-catalyst comprising: a non-coordinating borate anion having the formula [B(C6F5)4]1? and a cation according to formula (I).
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: October 17, 2023
    Assignees: Dow Global Technologies LLC, Northwestern University
    Inventors: Tobin J. Marks, Yanshan Gao, Tracy L. Lohr, Matthew D. Christianson, Jerzy Klosin, Edmund M. Carnahan, Andrew J. Young
  • Patent number: 11613600
    Abstract: The present disclosure relates to a capped dual-headed organoaluminum composition having the formula (I) and processes to prepare the same. In at least one aspect, the capped dual-headed organoaluminum compositions can be used in olefin polymerization.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: March 28, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Lixin Sun, Endre Szuromi, Jerzy Klosin, Edmund M. Carnahan, Jasson T. Patton, Longyan Liao
  • Patent number: 11492450
    Abstract: The present disclosure relates to dual-headed organoaluminum compositions having the formula (I) and processes to prepare the same. In at least one aspect, the compositions having the formula (I) may be used during olefin polymerization.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 8, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Lixin Sun, Endre Szuromi, Jerzy Klosin, Edmund M. Carnahan, Jasson T. Patton, Longyan Liao
  • Patent number: 11459409
    Abstract: The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, (C) an activator, and (D) a chain shuttling agent.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 4, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew J. Young, Hien Q. Do, Brad C. Bailey, Matthew D. Christianson, Jeffrey C. Munro, Edmund M. Carnahan
  • Patent number: 11359038
    Abstract: The present disclosure relates to a capped, multi- or dual-headed chain composition comprising derivatives of a strained olefin. The present disclosure further relates to a process for synthesizing the capped, multi- or dual-headed composition by using an organometallic compound and a co-catalyst in the presence of a catalyst precursor and a strained olefin. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 14, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Lixin Sun, Zhe Zhou, Edmund M. Carnahan, Kim L. Walton
  • Patent number: 11359035
    Abstract: The present disclosure relates to a process for synthesizing a multi- or dual-headed composition by using an alpha,omega-diene and an organometallic compound in the presence of a catalyst precursor. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 14, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Lixin Sun, Zhe Zhou, Jaclyn Murphy, Edmund M. Carnahan
  • Patent number: 11306173
    Abstract: Semi-crystalline, thermoplastic polyolefin block copolymers comprising: (A) A first polyolefin A block comprising isotactic poly(1-butene) (iPB); (B) A polyolefin B block comprising an ethylene and/or alpha-olefin/1-butene copolymer or terpolymer; and (C) A second polyolefin A block comprising isotactic poly(1-butene) (iPB); the A and B blocks bonded to one another to form a block copolymer in which the first and second polyolefin A blocks are joined to and separated by the polyolefin B block. In one embodiment the polyolefin block copolymer is a BAB block copolymer.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: April 19, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Endre Szuromi, Justin M. Virgill, Robert F. Wendel, Jeffrey C. Munro, Gary R. Marchand, Edmund M. Carnahan, Kim L. Walton
  • Publication number: 20220081500
    Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 17, 2022
    Inventors: Jeffrey C. Munro, Colin Li Pi Shan, Johnathan E. DeLorbe, Juan C. Tuberquia, Lixin Sun, Endre Szuromi, Edmund M. Carnahan
  • Publication number: 20220073656
    Abstract: The present disclosure relates to a process for synthesizing a multi- or dual-headed composition by using an alpha,omega-diene and an organometallic compound in the presence of a catalyst precursor. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization.
    Type: Application
    Filed: September 29, 2017
    Publication date: March 10, 2022
    Inventors: Lixin Sun, Zhe Zhou, Jaclyn Murphy, Edmund M. Carnahan
  • Publication number: 20220073658
    Abstract: The present disclosure relates to novel telechelic polyolefins of the formula (I) and processes for preparing the same. In at least one aspect, the telechelic polyolefins of the formula (I) comprise unsaturations at both termini.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 10, 2022
    Inventors: Lixin Sun, Endre Szuromi, Edmund M. Carnahan
  • Publication number: 20220073539
    Abstract: Embodiments relate to organometallic compositions that are useful for chain transfer during olefin polymerization. Such compositions are chain transfer agents comprising an organoaluminum compound of the formula Al(CH2CH(Y2)A2)3 and an organozinc compound of the formula Zn(CH2CH(Y2)A2)2.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 10, 2022
    Inventors: Lixin Sun, Endre Szuromi, Edmund M. Carnahan
  • Publication number: 20220064345
    Abstract: The present disclosure relates to novel telechelic poly-olefins of the formula (I) and processes for preparing the same. The present disclosure further relates to curable formulations comprising the telechelic polyolefin of the formula (I).
    Type: Application
    Filed: December 27, 2019
    Publication date: March 3, 2022
    Inventors: Jeffrey C. Munro, Colin Li Pi Shan, Johnathan E. DeLorbe, Juan C. Tuberquia, Lixin Sun, Endre Szuromi, Edmund M. Carnahan
  • Patent number: 11242415
    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: Grant
    Filed: September 19, 2018
    Date of Patent: February 8, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Arkady L. Krasovskiy, David R. Wilson, Tulaza Vaidya, Edmund M. Carnahan, Philip P. Fontaine, Carl N. Iverson
  • Patent number: 11174329
    Abstract: The present disclosure relates to a multi- or dual-headed composition having the formula (I) or (II). The present disclosure also relates to a process for preparing the multi- or dual-headed composition having the formula (I) or (II), the process including combining 1,2,4-trivinylcyclochexane, an organometallic compound, and a catalyst precursor. The present disclosure further relates to use of the composition having the formula (I) or (II) in olefin polymerization.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: November 16, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Lixin Sun, Zhe Zhou, Jaclyn Murphy, Edmund M. Carnahan
  • 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: 20210277166
    Abstract: Semi-crystalline, thermoplastic polyolefin block copolymers comprising: (A) A first polyolefin A block comprising isotactic poly(1-butene) (iPB); (B) A polyolefin B block comprising an ethylene and/or alpha-olefin/1-butene copolymer or terpolymer; and (C) A second polyolefin A block comprising isotactic poly(1-butene) (iPB); the A and B blocks bonded to one another to form a block copolymer in which the first and second polyolefin A blocks are joined to and separated by the polyolefin B block. In one embodiment the polyolefin block copolymer is a BAB block copolymer.
    Type: Application
    Filed: July 19, 2017
    Publication date: September 9, 2021
    Inventors: Endre Szuromi, Justin M. Virgill, Robert F. Wendel, Jeffrey C. Munro, Gary R. Marchand, Edmund M. Carnahan
  • Patent number: 11066489
    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 each X is selected from the group consisting of —(CH2)SiRX3.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: July 20, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Arkady L. Krasovskiy, David R. Wilson, Bryan D. Stubbert, Tulaza Vaidya, Jerzy Klosin, Edmund M. Carnahan, Philip P. Fontaine, Mari S. Rosen
  • Patent number: 11066428
    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, Formula (I), where X is selected from the group consisting of —(CH2)SiRX3.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: July 20, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Bryan D. Stubbert, Arkady L. Krasovskiy, Tulaza Vaidya, Jerzy Klosin, Edmund M. Carnahan, Philip P. Fontaine, Mari S. Rosen, David R. Wilson
  • Publication number: 20210108005
    Abstract: Embodiments are directed to catalyst systems comprising: a procatalyst; and a co-catalyst dissolved in a non-halogenated aprotic hydrocarbon solvent, the co-catalyst comprising: a non-coordinating borate dianion having the formula: (III) and two cations, each cation being independently chosen from a cation according to formula (I) or formula (II).
    Type: Application
    Filed: March 28, 2019
    Publication date: April 15, 2021
    Applicants: Dow Global Technologies LLC, Northwestern University
    Inventors: Tobin J. Marks, Yanshan Gao, Tracy L. Lohr, Matthew D. Christianson, Jerzy Klosin, Edmund M. Carnahan, Andrew J. Young
  • Publication number: 20210017305
    Abstract: Embodiments are directed to catalyst systems comprising: a procatalyst; and a co-catalyst, the co-catalyst comprising: a non-coordinating borate anion having the formula [B(C6F5)4]1? and a cation according to formula (I).
    Type: Application
    Filed: March 29, 2019
    Publication date: January 21, 2021
    Applicants: Dow Global Technologies LLC, Northwestern University
    Inventors: Tobin J. Marks, Yanshan Gao, Tracy L. Lohr, Matthew D. Christianson, Jerzy Klosin, Edmund M. Carnahan, Andrew J. Young