Patents by Inventor Andre Neumann

Andre Neumann 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: 20220177638
    Abstract: The invention relates to flame-retardant polyurethane foam materials or polyurethane/polyisocyanurate foam materials (also referred to individually or collectively as “PUR/PIR foam materials” below) and to methods for producing PUR/PIR foam materials by reacting a reaction mixture containing A1 an isocyanate-reactive component, A2 a propellant, A3 a catalyst, A4 optionally an additive, and A5 a flame retardant with B an isocyanate component, wherein the production is carried out using an index of 80 to 600. The invention is characterized in that the flame retardant A5 contains (hydroxymethyl)phosphonate and optionally the dimer thereof as component A5.1.
    Type: Application
    Filed: March 30, 2020
    Publication date: June 9, 2022
    Inventors: Rolf Albach, Stephan Schleiermacher, Horst-Josef Schaefer, Hans-Peter Huber, Andre Neumann, Nicole Welsch, Catherine Loevenich