Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597529 | Method for filling a vertical tube with catalyst particles | Steffen Rissel, Silke Berndt, Mark Duda, Knut Eger, Markus Hoelzle +1 more | 2009-10-06 |
| 7537201 | Thermal separating process | Ulrich Jaeger, Ulrich Hammon, Juergen Schroeder, Steffen Rissel | 2009-05-26 |
| 7331354 | Cleaning of tray columns which have been used for rectificatively treating liquids comprising (meth)acrylic acid and/or esters thereof | Juergen Schroeder, Klaus Joachim Mueller-Engel, Volker Schliephake, Ulrich Hammon, Ulrich Jaeger | 2008-02-19 |
| 7287534 | Cleaning of apparatus in which meth(acrylic) acid-containing organic solvents have been treated and/or generated | Ulrich Jager, Jürgen Schröder, Joachim Thiel | 2007-10-30 |
| 7284951 | Method for conveying a liquid F containing at least one (meth)acrylic monomer | Dimitrios Markopoulos, Juergen Schroeder, Michael Blechschmitt | 2007-10-23 |
| 7150809 | Thermal separating process | Ulrich Jaeger, Ulrich Hammon, Juergen Schroeder, Steffen Rissel | 2006-12-19 |
| 7115775 | Method and device for the two-step production of acrylic acid | Thomas Buschulte, Bernd Hagen, Volker Huth, Wolfgang Kasten, Peter Schlemmer +1 more | 2006-10-03 |
| 7109374 | Method for the continuous extraction of (meth)acrylic acid | Otto Machhammer, Christoph Adami, Claus Hechler, Juergen Schroeder, Volker Schliephake +1 more | 2006-09-19 |
| 5780679 | Separation of (meth)acrylic acid from the reaction gas mixture formed in the catalytic gas phase oxidation of C.sub.3 /C.sub.4 compounds | Horst Egly, Klaus Jorg | 1998-07-14 |
| D321342 | Housing for magnetic strip reader or similar article | Gunter Kuczewski | 1991-11-05 |
| D315156 | Telephone with display and card reader for personal computer | — | 1991-03-05 |
| 4681946 | Preparation of nicotinamide | Karl Baur, Peter Stops, Hans Hellbach, Erwin Brunner | 1987-07-21 |