Patents by Inventor Günter Staufer

Günter Staufer 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).

  • Patent number: 7238773
    Abstract: Countercurrent stripping pipe for removing volatile organic constituents from reaction products, having a column pipe (201) composed of a plurality of pipe sections (201a-d), in which trays (202) are arranged, connections (205, 208) for supplying and removing the reaction products and connections (206, 207) for supplying and removing at least one stripping agent in countercurrent to the reaction products. In accordance with the invention, a plurality of successive trays (202) in each case are joined to one another and form at least two inserts (211a-c) which can be removed from the column pipe (201).
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: July 3, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Huebinger, Günter Staufer, Peter Keller
  • Patent number: 6875406
    Abstract: Countercurrent stripping pipe for removing volatile organic constituents from reaction products, having a column pipe (201) composed of a plurality of pipe sections (201a-d), in which trays (202) are arranged, connections (205, 208) for supplying and removing the reaction products and connections (206, 207) for supplying and removing at least one stripping agent in countercurrent to the reaction products. In accordance with the invention, a plurality of successive trays (202) in each case are joined to one another and form at least two inserts (211a-c) which can be removed from the column pipe (201).
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: April 5, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Hübinger, Günter Staufer, Peter Keller