Patents by Inventor Stefan Hopt

Stefan Hopt 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).

  • METHOD FOR PRODUCING FOAMED FLAT MOLDINGS AND MOLD FOR CARRYING OUT SAID METHOD
    Publication number: 20220347897
    Abstract: The invention relates to a method for the production of foamed areal polyurethane(PUR)/polyisocyanurate(PIR) moldings, where a polyurethane/polyisocyanurate reaction mixture is injected into a mold that is under elevated pressure and then a depressurization takes place, and the foaming process is thus induced, and after the reaction the molding is demolded, and to a mold for carrying out the method.
    Type: Application
    Filed: January 11, 2021
    Publication date: November 3, 2022
    Inventors: Stefan Hopt, Stephan Moers, Achim Wick, Christian Windeck