Patents by Inventor Emily Leitsch

Emily Leitsch 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).

  • Catalyst for non-isocyanate based polyurethane
    Patent number: 9260564
    Abstract: A cooperative catalyst system includes a Lewis acid and a Lewis base for the formation of non-isocyanate based polyurethane using a cyclic carbonate and an amine. A method of forming non-isocyanate based polyurethane includes providing a cyclic carbonate, an amine, and a cooperative catalyst system that has a Lewis acid and a Lewis base.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: February 16, 2016
    Assignees: Dow Global Technologies LLC, Northwestern University
    Inventors: Vincent Lombardo, Karl Scheidt, Emily Leitsch, John Torkelson, Elizabeth Dhulst, William H. Heath, Nathan Wilmot
  • Catalyst for Non-Isocyanate Based Polyurethane
    Publication number: 20150247004
    Abstract: A cooperative catalyst system includes a Lewis acid and a Lewis base for the formation of non-isocyanate based polyurethane using a cyclic carbonate and an amine. A method of forming non-isocyanate based polyurethane includes providing a cyclic carbonate, an amine, and a cooperative catalyst system that has a Lewis acid and a Lewis base.
    Type: Application
    Filed: March 2, 2015
    Publication date: September 3, 2015
    Inventors: Vincent Lombardo, Karl Scheidt, Emily Leitsch, John Torkelson, Elizabeth Dhulst, William H. Heath, Nathan Wilmot