Patents by Inventor Christoph Malbertz

Christoph Malbertz 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).

  • Producing Isocyanate-Terminated, Urethane Group-Containing Prepolymers
    Publication number: 20240052085
    Abstract: The invention relates to a method for producing isocyanate-terminated, urethane group-containing prepolymers, comprising reacting a reaction mixture that contains a stoichiometric excess of at least one aliphatic and/or cycloaliphatic diisocyanate and a polyol composition having an OH number >400, characterized in that the reaction mixture is mixed with a specific power input of 0.5 kW/m3 to 40 kW/m3, relative to the total volume of the reaction mixture.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 15, 2024
    Applicant: Covestro Deutschland AG
    Inventors: Christoph Malbertz, Stefan Hirschfeld, Dieter Mager, Oswald Wilmes