Patents by Inventor Antje Wehlau

Antje Wehlau 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: 20200087438
    Abstract: A process for producing polyurethane foams comprising reacting an isocyanate component with a component that is reactive to isocyanates and comprises at least one polyethercarbonate polyol, wherein the reaction is performed in the presence of a component K, wherein the component K is selected from one or more compounds of the group consisting of K1 dicarbonyl compounds of the formula (II), excluding dicarbonyl compounds that are esters of mono- or polybasic carboxylic acids, (R2)x-(C?O)—(R1)n-(C?O)—(R3)y (II), K2 ?-keto nitriles of the formula (III), (R5)w-(C?O)—C(H)(R4)(-CN)(III), K3 discarbonyl compounds having the formula (IV), K4 hydroxycarboxylic acids, and K5 compounds of carboxylate anion and cation. Polyurethane foams produced by the process according to the present disclosure and the use thereof.
    Type: Application
    Filed: May 29, 2018
    Publication date: March 19, 2020
    Inventors: Persefoni Hilken, Stefan Lindner, Hartmut Nefzger, Rolf Albach, Antje Wehlau