Patents by Inventor Brian Rekken

Brian Rekken 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: 20240124653
    Abstract: A process for preparing a cyclic polysiloxazane is disclosed. The cyclic siloxazane may optionally be converted to an ?-alkoxy-?-amino-functional polysiloxane. The cyclic siloxazane or the ?-alkoxy-?-amino-functional polysiloxane, may be used as a capping agent for a silanol-functional polyorganosiloxane in a process to make an amino-functional polyorganosiloxane.
    Type: Application
    Filed: May 5, 2022
    Publication date: April 18, 2024
    Inventors: Brian Rekken, Michael Telgenhoff
  • Patent number: 11760839
    Abstract: A process for preparing a cyclic polysiloxazane is disclosed. The cyclic polysiloxazane may optionally be converted to an a-alkoxy-ou-amino-functional polysiloxane. The cyclic polysiloxazane or the a-alkoxy-oo-amino-functional polysiloxane, may be used as a capping agent for a silanol-functional polyorganosiloxane in a process to make an amino-functional polyorganosiloxane.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: September 19, 2023
    Assignee: Dow Silicones Corporation
    Inventors: Brian Rekken, Patrick Fryfogle, Nisaraporn Suthiwangcharoen, Brett Zimmerman, Hannah Furnier, Kimmai Nguyen, Sean Reisch
  • Publication number: 20220332899
    Abstract: A process for preparing a cyclic polysiloxazane is disclosed. The cyclic polysiloxazane may optionally be converted to an a-alkoxy-ou-amino-functional polysiloxane. The cyclic polysiloxazane or the a-alkoxy-oo-amino-functional polysiloxane, may be used as a capping agent for a silanol-functional polyorganosiloxane in a process to make an amino-functional polyorganosiloxane.
    Type: Application
    Filed: October 29, 2020
    Publication date: October 20, 2022
    Inventors: Brian Rekken, Patrick Fryfogle, Nisaraporn Suthiwangcharoen, Brett Zimmerman, Hannah Furnier, Kimmai Nguyen, Sean Reisch