Patents by Inventor Hanns Muller

Hanns Muller 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).

  • Process for the preparation of polyurethane resins using stable dispersions as a starting component
    Patent number: 4260530
    Abstract: This invention relates to a process for the preparation of a finely divided, stable and relatively low viscosity dispersion of a polyisocyanate polyaddition product and an aminoplast and/or phenoplast and/or copolymer thereof in a hydroxyl containing compound and the use of such a dispersion as the starting component for the production of a polyurethane resin.
    Type: Grant
    Filed: June 7, 1979
    Date of Patent: April 7, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Artur Reischl, Hanns Muller, Kuno Wagner