Patents by Inventor Gerhard Brudi

Gerhard Brudi 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).

  • Process for distilling ethylene oxide
    Patent number: 6123812
    Abstract: A process for distilling ethylene oxide out of a mixture including ethylene oxide in a column at an absolute pressure of from 2 to 10 bar and a temperature of 20 to 180.degree. C. by withdrawing pure ethylene oxide in the liquid or gaseous state overhead or via a sidestream in the rectifying section of the column includes effecting the distillation in a column having on its inside a plurality of successive zones of structured sheet-metal packing or dumped beds of packing elements, these zones being assigned one or more extinguishing systems on the outside of the column.
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: September 26, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Bessling, Sebastian Zeck, Jurgen Pluckhan, Thomas Mayer, Ulrich Loffler, Gunter Spiegel, Rubens Ballenweg, Gerhard Brudi, Klaus Gieselberg, Lutz Hilprecht, Winfried Terjung, Heinz Auer, Axel Werner Polt, Stephan Scholl