Patents by Inventor Bradley M. Schmidt

Bradley M. Schmidt 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).

  • End group functionalization agents for polydiene
    Patent number: 11795243
    Abstract: The present invention relates to a modified polymer having the structure of Formula (I) and Formula (IV): wherein A, R1, R2, R3, a, and n are as described herein and wherein R, R?, R?, x, and k are as described herein and methods for preparation thereof. The present invention also relates to a compound having the structure of Formula (II): wherein A, R1, R2, R3, a, and n are as described herein. The present invention also relates to a process for polymerizing unsaturated hydrocarbon monomers.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: October 24, 2023
    Assignees: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC., KUMHO PETROCHEMICAL
    Inventors: Aaron David Sadow, Bradley M. Schmidt, Gwanghoon Kwag, Hanbaek Lee, Dong Eun Kang
  • END GROUP FUNCTIONALIZATION AGENTS FOR POLYDIENE
    Publication number: 20210171672
    Abstract: The present invention relates to a modified polymer having the structure of Formula (I) and Formula (IV): wherein A, R1, R2, R3, a, and n are as described herein and wherein R, R?, R?, x, and k are as described herein and methods for preparation thereof. The present invention also relates to a compound having the structure of Formula (II): wherein A, R1, R2, R3, a, and n are as described herein. The present invention also relates to a process for polymerizing unsaturated hydrocarbon monomers.
    Type: Application
    Filed: January 11, 2021
    Publication date: June 10, 2021
    Inventors: Aaron David Sadow, Bradley M. Schmidt, Gwanghoon Kwag, Hanbaek Lee, Dong Eun Kang
  • End group functionalization agents for polydiene
    Patent number: 10919989
    Abstract: The present invention relates to a modified polymer having the structure of Formula (I) and Formula (IV): wherein A, R1, R2, R3, a, and n are as described herein and wherein R, R?, R?, x, and k are as described herein and methods for preparation thereof. The present invention also relates to a compound having the structure of Formula (II): wherein A, R1, R2, R3, a, and n are as described herein. The present invention also relates to a process for polymerizing unsaturated hydrocarbon monomers.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: February 16, 2021
    Assignees: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC., KUMHO PETROCHEMICAL
    Inventors: Aaron David Sadow, Bradley M. Schmidt, Gwanghoon Kwag, Hanbaek Lee, Dong Eun Kang
  • END GROUP FUNCTIONALIZATION AGENTS FOR POLYDIENE
    Publication number: 20190119409
    Abstract: The present invention relates to a modified polymer having the structure of Formula (I) and Formula (IV): wherein A, R1, R2, R3, a, and n are as described herein and wherein R, R?, R?, x, and k are as described herein and methods for preparation thereof. The present invention also relates to a compound having the structure of Formula (II): wherein A, R1, R2, R3, a, and n are as described herein. The present invention also relates to a process for polymerizing unsaturated hydrocarbon monomers.
    Type: Application
    Filed: October 22, 2018
    Publication date: April 25, 2019
    Inventors: Aaron David Sadow, Bradley M. Schmidt, Gwanghoon Kwag, Hanbaek Lee, Dong Eun Kang
  • Polymerization catalysts
    Patent number: 9856337
    Abstract: The present invention relates to processes for polymerizing unsaturated hydrocarbon monomers. The present invention also relates to a precatalyst having the structure of Formula (I): M{C(SiHAlk2)3}3??(I), and to a catalyst comprising the structure of Formula (II): MC(SiHAlk2)3X2??(II), and methods for preparation thereof.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: January 2, 2018
    Assignees: Iowa State University Research Foundation, Inc., Kumho Petrochemical
    Inventors: Aaron David Sadow, Gwanghoon Kwag, Hanbaek Lee, Aradhana Pindwal, Bradley M. Schmidt
  • POLYMERIZATION CATALYSTS
    Publication number: 20170275402
    Abstract: The present invention relates to processes for polymerizing unsaturated hydrocarbon monomers. The present invention also relates to a precatalyst having the structure of Formula (I): M{C(SiHAlk2)3}3??(I), and to a catalyst comprising the structure of Formula (II): MC(SiHAlk2)3X2??(II), and methods for preparation thereof.
    Type: Application
    Filed: March 25, 2016
    Publication date: September 28, 2017
    Inventors: Aaron David Sadow, Gwanghoon Kwag, Hanbaek Lee, Aradhana Pindwal, Bradley M. Schmidt