Patents by Inventor Axel Ferber

Axel Ferber 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).

  • Use of a single-stage or multistage stirrer to prepare polymers
    Patent number: 6252018
    Abstract: At least one single-stage or multistage stirrer which produces not only a tangential flow component but also an axial flow field is used in a stirred-vessel reactor in connection with the preparation of polymers by liquid phase polymerization.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: June 26, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Rupaner, Sven Lawrenz, Gerhard Bauer, Johannes Dobbelaar, Jürgen Nahstoll, Franz-Josef Mueseler, Axel Ferber, Jürgen Hartmann, Peter Keller, Martin Meister, Josef Neutzner, Gerd Rehmer