Patents by Inventor Brad C. BAILEY

Brad C. BAILEY 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).

  • Olefin polymerization catalysts bearing a 6-amino-N-aryl azaindole ligand
    Patent number: 12643915
    Abstract: Embodiments are directed to a metal-ligand complex of formula (I). In addition, a polymerization process includes polymerizing at least one olefin in the presence of a catalyst system comprising the metal-ligand complex and at least one activator to produce an olefinic polymer.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: June 2, 2026
    Assignee: Dow Global Technologies LLC
    Inventors: Sanil Sreekumar, Brad C. Bailey, Arvind Jaganathan, James J. Henkelis, Matthew D. Christianson, Sukrit Mukhopadhyay, James A. Walker, Jordan C. Reddel
  • Bis-phenoxy-ether ligands for group IV polyolefin catalysis
    Patent number: 12643962
    Abstract: Catalyst systems comprising one or more metal-ligand complexes according to formula (I). M is a metal chosen from titanium, zirconium, or hafnium, the metal having a formal oxidation state of +2, +3, or +4; each X is a monodentate or bidentate ligand independently chosen from unsaturated (C2-C50)hydrocarbon, unsaturated (C2-C50)heterohydrocarbon, (C1-C50)hydrocarbyl, cyclopentadienyl, substituted cyclopentadienyl, (C4-C12)diene, halogen, and —CH2SiRC3; wherein each Rc is selected from the group consisting (C1-C30)hydrocarbyl or —H. In formula (I), subscript n of (X)n is 2. The metal-ligand complex of formula (I) has 6 or fewer metal-ligand bonds.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: June 2, 2026
    Assignee: Dow Global Technologies LLC
    Inventors: Robert David Grigg, Brad C. Bailey, James A. Walker, Sukrit Mukhopadhyay
  • GROUP III-HALIDE OR LANTHANIDE-HALIDE BIS(PHENYLPHENOXY) METAL-LIGAND COMPLEXES
    Publication number: 20260071014
    Abstract: Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I).
    Type: Application
    Filed: August 29, 2023
    Publication date: March 12, 2026
    Applicant: Dow Global Technologies LLC
    Inventors: Rhett A. Baillie, Johnathan E. DeLorbe, Endre Szuromi, Philip P. Fontaine, Robert D. Grigg, Sudipta Pal, Jerzy Klosin, Brad C. Bailey
  • METHOD OF PRODUCING MULTIMODAL POLYETHYLENE USING AT LEAST ONE GROUP III-BASED OR LANTHANIDE-BASED BIPHENYLPHENOXY CATALYST
    Publication number: 20260071015
    Abstract: Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I):
    Type: Application
    Filed: August 29, 2023
    Publication date: March 12, 2026
    Applicant: Dow Global Technologies LLC
    Inventors: Johnathan E. DeLorbe, Rhett A. Baillie, Endre Szuromi, Philip P. Fontaine, Rafael Huacuja, Robert D. Grigg, Sudipta Pal, Jerzy Klosin, Brad C. Bailey
  • Group III and lanthanide bis-phenyl-phenoxy metal-ligand complexes
    Patent number: 12565508
    Abstract: Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I):
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: March 3, 2026
    Assignee: Dow Global Technologies LLC
    Inventors: Rhett A. Baillie, Philip P. Fontaine, Jerzy Klosin, Todd D. Senecal, Johnathan E. DeLorbe, Rafael Huacuja, Evelyn Auyeung, Robert David Grigg, Sudipta Pal, Brad C. Bailey
  • Polymerization process that include group III and lanthanide bis-phenyl-phenoxy metal-ligand complexes and chain transfer agents
    Patent number: 12552885
    Abstract: Embodiments of this disclosure are directed to polymerization process comprising contacting ethylene and optionally one or more ?-olefins in solution in the presence of one or more catalyst systems and a chain transfer agent, wherein the catalyst system comprises a metal-ligand complex according to formula (I).
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: February 17, 2026
    Assignee: Dow Global Technologies LLC
    Inventors: Rhett A. Baillie, Philip P. Fontaine, Johnathan E. DeLorbe, Rafael Huacuja, Evelyn Auyeung, Jerzy Klosin, Robert David Grigg, Sudipta Pal, Brad C. Bailey
  • Group III and Lanthanide bis-phenyl-phenoxy metal-ligand complexes
    Patent number: 12497414
    Abstract: Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I).
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: December 16, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: Rhett A. Baillie, Philip P. Fontaine, Jerzy Klosin, Todd D. Senecal, Johnathan E. DeLorbe, Rafael Huacuja, Evelyn Auyeung, Robert David Grigg, Sudipta Pal, Brad C. Bailey
  • Biaryl hydroxythiophene group IV transition metal polymerization with chain transfer capability
    Patent number: 12297311
    Abstract: Embodiments of this disclosure include polymerization processes that include contacting propylene and/or one or more (C4-C12)?-olefins in a reactor including a catalyst system. The catalyst system comprises a metal-ligand complex according to formula (I).
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: May 13, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Brad C. Bailey, Matthew D. Christianson, Robert DJ Froese, David D. Devore
  • Olefin polymerization catalysts bearing a thiazole or imidazole
    Patent number: 12286502
    Abstract: Processes of polymerizing olefin monomers using catalyst systems comprising a procatalyst having a structure according to Formula (I).
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: April 29, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: Jordan C. Reddel, Todd D. Senecal, Brad C. Bailey, Andrew M. Camelio, Sukrit Mukhopadhyay, John B. Etienne
  • Bis(phosphino)-phenoxy nickel(II) catalysts for the copolymerization of ethylene and acrylate monomers
    Patent number: 12281190
    Abstract: Processes of polymerizing olefin monomers using catalyst systems and catalysts systems that include a procatalyst having a structure according to formula (I): (I).
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: April 22, 2025
    Assignees: Dow Global Technologies LLC, California Institute of Technology
    Inventors: Theodor Agapie, Shuoyan Xiong, Brad C. Bailey, Heather A. Spinney, Alex J. Nett, David R. Wilson, Jerzy Klosin
  • Heterocycle-heterocycle-based group IV transition metal catalysts for olefin polymerization
    Patent number: 12252573
    Abstract: The polymerization process of this disclosure includes includes polymerizing ethylene and one or more olefins in the presence of a catalyst system under olefin polymerization conditions to form an ethylene-based polymer. The catalyst system comprising a metal-ligand complex according to formula (I).
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 18, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: David Koenigs, David D. Devore, Brad C. Bailey, Endre Szuromi, Robert D. Grigg, David M. Pearson, Nolan T. McDougal, John B. Etienne, Sukrit Mukhopadhyay
  • SUPPORTED CATALYST SYSTEMS CONTAINING A SILOCON BRIDGED, ANTHRACENYL SUBSTITUTED BIS-BIPHENYL-PHENOXY ORGANOMETALLIC COMPOUND FOR MAKING POLYETHYLENE AND POLYETHYLENE COPOLYMER RESINS IN A GAS PHASE POLYMERIZATION REACTOR
    Publication number: 20250051495
    Abstract: Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I):
    Type: Application
    Filed: November 21, 2022
    Publication date: February 13, 2025
    Applicant: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Rhett A. Baillie, Brad C. Bailey, Johnathan E. DeLorbe, Hien Q. Do, David M. Pearson, Philip P. Fontaine
  • Monobidentate, bis-bidentate, and tetrabidentate guanidine Group IV transition metal olefin copolymerization catalysts
    Patent number: 12221507
    Abstract: Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)?-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I).
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: February 11, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Brad C. Bailey, Robert D. J. Froese, Sukrit Mukhopadhyay
  • Biaryl phenoxy group IV transition metal catalysts for olefin polymerization
    Patent number: 12221508
    Abstract: Catalyst systems for olefin polymerization include a metal-ligand complex of a general formula (I). The metal-ligand complex of formula (I) is a transition metal complex of titanium, zirconium, or hafnium, in which the transition metal is coordinated with a biaryl phenoxy ligand structure. Olefin polymerization processes include contacting ethylene and optionally one or more (C3-C12) alpha-olefins in the presence of the catalyst system to produce an ethylene-based polymer or copolymer.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 11, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Brad C. Bailey, Robert D J Froese, Sukrit Mukhopadhyay, David D. Devore, Jerzy Klosin
  • SUPPORTED CATALYST SYSTEMS CONTAINING A GERMANIUM BRIDGED, ANTHRACENYL SUBSTITUTED BIS-BIPHENYL-PHENOXY ORGANOMETALLIC COMPOUND FOR MAKING POLYETHYLENE AND POLYETHYLENE COPOLYMER RESINS IN A GAS PHASE POLYMERIZATION REACTOR
    Publication number: 20250034292
    Abstract: Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I).
    Type: Application
    Filed: November 21, 2022
    Publication date: January 30, 2025
    Applicant: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Rhett A. Baillie, Brad C. Bailey, Johnathan E. DeLorbe, Hien Q. Do, David M. Pearson, Philip P. Fontaine
  • SUPPORTED CATALYST SYSTEMS CONTAINING A CARBON BRIDGED, ANTHRACENYL SUBSTITUTED BIS-BIPHENYL-PHENOXY ORGANOMETALLIC COMPOUND FOR MAKING POLYETHYLENE AND POLYETHYLENE COPOLYMER RESINS IN A GAS PHASE POLYMERIZATION REACTOR
    Publication number: 20250011478
    Abstract: Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I).
    Type: Application
    Filed: November 21, 2022
    Publication date: January 9, 2025
    Applicant: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Rhett A. Baillie, Brad C. Bailey, Johnathan E. DeLorbe, Hien Q. Do, David M. Pearson, Philip P. Fontaine
  • Biaryl hydroxythiophene group IV transition metal polymerization catalysts with chain transfer capability
    Patent number: 12122862
    Abstract: Catalyst systems that include a chain transfer agent and a metal-ligand complex according to formula (I).
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 22, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Endre Szuromi, David D. Devore, Robert D J Froese, Brad C. Bailey, Matthew D. Christianson, Sukrit Mukhopadhyay, Jerzy Klosin
  • Monobidentate aminopyridine group IV transition metal olefin copolymerization catalysts with ultra-high molecular weight capability and ultra-low comonomer incorporation
    Patent number: 12104002
    Abstract: Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)?-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I):
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: October 1, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Brad C. Bailey, Tomas D. Paine, Sukrit Mukhopadhyay, Matthew D. Christianson
  • AMINO-BENZIMIDAZOLE CATALYSTS FOR THE PREPARATION OF POLYOLEFINS
    Publication number: 20240199777
    Abstract: Catalyst systems include a metal-ligand complex according to formula (I):
    Type: Application
    Filed: February 25, 2022
    Publication date: June 20, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Brad C. Bailey, Sukrit Mukhopadhyay
  • BIS-PHENOXY-ETHER LIGANDS FOR GROUP IV POLYOLEFIN CATALYSIS
    Publication number: 20240158542
    Abstract: Catalyst systems comprising one or more metal-ligand complexes according to formula (I).
    Type: Application
    Filed: February 25, 2022
    Publication date: May 16, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Robert David Grigg, Brad C. Bailey, James A. Walker, Sukrit Mukhopadhyay