Patents by Inventor Samuel T. Freeman

Samuel T. Freeman 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).

  • Radically polymerizable compositions
    Patent number: 12071498
    Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: August 27, 2024
    Assignee: Polynt Composites USA, Inc.
    Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman
  • RADICALLY POLYMERIZABLE COMPOSITIONS
    Publication number: 20230257500
    Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.
    Type: Application
    Filed: December 5, 2022
    Publication date: August 17, 2023
    Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman
  • Radically polymerizable compositions
    Patent number: 11518834
    Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: December 6, 2022
    Assignee: Polynt Composites USA, Inc.
    Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman
  • RADICALLY POLYMERIZABLE COMPOSITIONS
    Publication number: 20200207895
    Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.
    Type: Application
    Filed: December 30, 2019
    Publication date: July 2, 2020
    Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman