Patents by Inventor Zachary D. Pritchard

Zachary D. Pritchard 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).

  • Publication number: 20240076421
    Abstract: Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving control of polymerization using a polymerization photoinhibitor having fast back reaction kinetics such as hexaarylbiimidazole compounds and bridged hexaarylbiimidazole compounds.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 7, 2024
    Inventors: Timothy F. Scott, Harry van der Laan, Megan A. Cole, Mark A. Burns, Martin P. De Beer, Zachary D. Pritchard, Avi Bregman
  • Patent number: 11851511
    Abstract: Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving control of polymerization using a polymerization photoinhibitor having fast back reaction kinetics such as hexaarylbiimidazole compounds and bridged hexaarylbiimidazole compounds.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: December 26, 2023
    Assignee: The Regents of the University of Michigan
    Inventors: Timothy F. Scott, Harry van der Laan, Megan A. Cole, Mark A. Burns, Martin P. De Beer, Zachary D. Pritchard, Avi Bregman
  • Publication number: 20220106417
    Abstract: Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving control of polymerization using a polymerization photoinhibitor having fast back reaction kinetics such as hexaarylbiimidazole compounds and bridged hexaarylbiimidazole compounds.
    Type: Application
    Filed: October 13, 2021
    Publication date: April 7, 2022
    Inventors: Timothy F. Scott, Harry van der Laan, Megan A. Cole, Mark A. Burns, Martin P. De Beer, Zachary D. Pritchard, Avi Bregman
  • Patent number: 11174326
    Abstract: Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving control of polymerization using a polymerization photoinhibitor having fast back reaction kinetics such as hexaarylbiimidazole compounds and bridged hexaarylbiimidazole compounds.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: November 16, 2021
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Timothy F. Scott, Harry van der Laan, Megan A. Cole, Mark A. Burns, Martin P. De Beer, Zachary D. Pritchard, Avi Bregman
  • Publication number: 20210115167
    Abstract: Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving control of polymerization using a polymerization photoinhibitor having fast back reaction kinetics such as hexaarylbiimidazole compounds and bridged hexaarylbiimidazole compounds.
    Type: Application
    Filed: February 19, 2019
    Publication date: April 22, 2021
    Inventors: Timothy F. Scott, Harry van der Laan, Megan A. Cole, Mark A. Burns, Martin P. De Beer, Zachary D. Pritchard, Avi Bregman