Patents by Inventor Georg Hans Barth

Georg Hans Barth 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 processing polyether alcohols
    Publication number: 20040073069
    Abstract: In a process for working up polyether monools which have been prepared by ring-opening polymerization of epoxides by means of OH-functional starters using at least one heterogeneous catalyst, the heterogeneous catalyst or catalysts is/are separated off from the polyether monool by means of a membrane separation process.
    Type: Application
    Filed: May 22, 2003
    Publication date: April 15, 2004
    Inventors: Wolfgang Heider, Edward Bohres, Georg Heinrich Grosch, Hartwig Voss, Gerd Hoppner, Kathrin Harre, Els Paredis, Jurgen Winkler, Michael Stosser, Wilfried Sager, Thomas Barth, Hannelore Barth, Georg Hans Barth