Patents by Inventor Roswitha Muller

Roswitha 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).

  • Thermoplastic polymer composition materials for pretreating paper
    Patent number: 4293458
    Abstract: This invention is directed to a composition for pretreating the back of wallpaper, which comprises a mixture of:(a) a fine-grained dispersion of film-forming, non-blocking thermoplastic polymer;(b) a paraffin dispersion;(c) natural or synthetic zeolite;(d) optionally, additional conventional additives; and(e) water.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: October 6, 1981
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Eberhard Gruenberger, Roswitha Muller