Patents by Inventor Franz M. Mantei

Franz M. Mantei 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: 20220388935
    Abstract: The present invention relates to a method for producing polyoxymethylene dimethyl ether by introducing a formaldehyde source and at least one compound of the formula (I) H3C—O—R??(I) where R is H or —(CH2O)x—CH3 with x being 0 or 1 as reactants into a reactive distillation unit and reacting them to give polyoxymethylene dimethyl ether, wherein the method produces polyoxymethylene dimethyl ether exclusively in the reactive distillation unit.
    Type: Application
    Filed: May 18, 2020
    Publication date: December 8, 2022
    Inventors: Mohamed Ouda, Franz M. Mantei, Achim Schaadt