Patents by Inventor Jahns Ekkehard

Jahns Ekkehard 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).

  • Method for producing polyurethane foamed materials having an improved long-term stability
    Publication number: 20050209353
    Abstract: Polyurethane foams having improved long-term stability are prepared by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive with isocyanate groups, in the presence of inhibitors, by a process in which the inhibitors are encapsulated in a substance which is inert under the conditions of the polyurethane preparation, in particular wax.
    Type: Application
    Filed: May 21, 2003
    Publication date: September 22, 2005
    Inventors: Martin Kreyenschmidt, Jahns Ekkehard