Patents by Inventor Leif-Erik Simonsen

Leif-Erik Simonsen 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).

  • 3D printed silicone double networks
    Patent number: 11072705
    Abstract: A polymer composition that includes a blended resin having a viscosity below 10 pascal-seconds before exposure to actinic radiation is provided. The blended resin includes a first base component that is photocurable, and the first base component includes (i) a first siloxane polymer including a plurality of thiol groups and (ii) a second siloxane polymer including a plurality of functional groups with unsaturated carbon-carbon bond. The blended resin also includes a photoinitiator, a second base component that is condensation curable, and a catalyst. The first base component is configured to polymerize into a primary polymer network and the second base component is configured to polymerize into a secondary polymer network. Furthermore, the primary and secondary polymer networks together form an interpenetrating polymer network.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: July 27, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: Thomas John Farrell Wallin, Leif-Erik Simonsen
  • 3D PRINTED SILICONE DOUBLE NETWORKS
    Publication number: 20200123383
    Abstract: A polymer composition that includes a blended resin having a viscosity below 10 pascal-seconds before exposure to actinic radiation is provided. The blended resin includes a first base component that is photocurable, and the first base component includes (i) a first siloxane polymer including a plurality of thiol groups and (ii) a second siloxane polymer including a plurality of functional groups with unsaturated carbon-carbon bond. The blended resin also includes a photoinitiator, a second base component that is condensation curable, and a catalyst. The first base component is configured to polymerize into a primary polymer network and the second base component is configured to polymerize into a secondary polymer network. Furthermore, the primary and secondary polymer networks together form an interpenetrating polymer network.
    Type: Application
    Filed: September 27, 2018
    Publication date: April 23, 2020
    Inventors: Thomas John Farrell Wallin, Leif-Erik Simonsen