Patents by Inventor Tulaza Vaidya

Tulaza Vaidya 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).

  • BIS-PHENYL-PHENOXY POLYOLEFIN PROCATALYSTS HAVING TWO ANTHRACENYL LIGANDS
    Publication number: 20240084050
    Abstract: Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I):
    Type: Application
    Filed: October 10, 2023
    Publication date: March 14, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Ruth Figueroa, Robert D. Grigg, Jerzy Klosin, Tulaza Vaidya, Carl N. Iverson
  • Bis-phenyl-phenoxy polyolefin catalysts having an alkoxy- or amido-ligand on the metal for improved solubility
    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
  • Germanium-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization
    Patent number: 11208503
    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.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: December 28, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Hien Q. Do, Philip P. Fontaine, Andrew J. Young, Susan G. Brown, Johnathan E. DeLorbe, Tulaza Vaidya, Chunming Zhang, Jerzy Klosin, Ruth Figueroa
  • BIS-PHENYL-PHENOXY POLYOLEFIN PROCATALYSTS HAVING TWO ANTHRACENYL LIGANDS
    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
  • Silyl-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization
    Patent number: 11111318
    Abstract: Embodiments are directed to a metal complex formed, wherein the metal complexes are used as pro-catalyst in polyolefin polymerization and comprise the following structure (Formula (I)).
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: September 7, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Hien Q. Do, Philip P. Fontaine, Andrew J. Young, Susan G. Brown, Johnathan E. DeLorbe, Tulaza Vaidya, Zach T. Rickaway, Amy E. Floeck (nee Duchnowski), Chunming Zhang, Ruth Figueroa, Jerzy Klosin
  • Bis-phenyl-phenoxy polyolefin catalysts having a methylenetrialkylsilicon ligand on the metal for improved solubility
    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
  • Bis-phenyl-phenoxy polyolefin catalysts having two methylenetrialkylsilicon ligands on the metal for improved solubility
    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
  • BIS-PHENYL-PHENOXY POLYOLEFIN CATALYSTS HAVING AN ALKOXY- OR AMIDO-LIGAND ON THE METAL FOR IMPROVED SOLUBILITY
    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
  • BIS-PHENYL-PHENOXY POLYOLEFIN CATALYSTS HAVING A METHYLENETRIALKYLSILICON LIGAND ON THE METAL FOR IMPROVED SOLUBILITY
    Publication number: 20200270282
    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: Application
    Filed: September 20, 2018
    Publication date: August 27, 2020
    Applicant: 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
  • BIS-PHENYL-PHENOXY POLYOLEFIN CATALYSTS HAVING TWO METHYLENETRIALKYLSILICON LIGANDS ON THE METAL FOR IMPROVED SOLUBILITY
    Publication number: 20200270376
    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: Application
    Filed: September 19, 2018
    Publication date: August 27, 2020
    Applicant: 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
  • SILYL-BRIDGED BIS-BIPHENYL-PHENOXY CATALYSTS FOR OLEFIN POLYMERIZATION
    Publication number: 20200247917
    Abstract: Embodiments are directed to a metal complex formed, wherein the metal complexes are used as pro-catalyst in polyolefin polymerization and comprise the following structure (Formula (I)).
    Type: Application
    Filed: July 28, 2017
    Publication date: August 6, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Hien Q. Do, Philip P. Fontaine, Andrew J. Young, Susan G. Brown, Johnathan E. DeLorbe, Tulaza Vaidya, Zach T. Rickaway, Amy E. Floeck, Chunming Zhang, Ruth Figueroa, Jerzy Klosin
  • Polymerization process for producing ethylene based polymers
    Patent number: 10647797
    Abstract: The disclosure provides a procatalyst for the polymerization of ethylene and optionally one or more alpha-olefins having the structure shown in formula (I) below: wherein at least two of Y1-Y3 and at least two of Y4-Y6 are fluorine atoms and when only two of Y1-Y3 and only two of Y4-Y6 are fluorine atoms, the non-fluorine Y1-Y6 are selected from the group consisting of H atom, alkyl groups, aryl groups, heteroaryl groups, and alkoxy groups. Also provided is a polymerization process using the procatalyst.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 12, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Andrew Young, Susan Brown, Hien Do, Johnathan DeLorbe, Tulaza Vaidya, Chunming Zhang, Arvind Jaganathan
  • GERMANIUM-BRIDGED BIS-BIPHENYL-PHENOXY CATALYSTS FOR OLEFIN POLYMERIZATION
    Publication number: 20200109220
    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
    Type: Application
    Filed: March 21, 2018
    Publication date: April 9, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Hien Q. Do, Philip P. Fontaine, Andrew J. Young, Susan G. Brown, Johnathan E. DeLorbe, Tulaza Vaidya, Chunming Zhang, Jerzy Klosin, Ruth Figueroa
  • A POLYMERIZATION PROCESS FOR PRODUCING ETHYLENE BASED POLYMERS
    Publication number: 20180282452
    Abstract: The disclosure provides a procatalyst for the polymerization of ethylene and optionally one or more alpha-olefins having the structure shown in formula (I) below: wherein at least two of Y1-Y3 and at least two of Y4-Y6 are fluorine atoms and when only two of Y1-Y3 and only two of Y4-Y6 are fluorine atoms, the non-fluorine Y1-Y6 are selected from the group consisting of H atom, alkyl groups, aryl groups, heteroaryl groups, and alkoxy groups. Also provided is a polymerization process using the procatalyst.
    Type: Application
    Filed: September 28, 2016
    Publication date: October 4, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Andrew Young, Susan Brown, Hien Do, Johnathan DeLORBE, Tulaza Vaidya, Chunming Zhang, Arvind Jagnathan