Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8110073 | Process for the preparation of aromatic amines | Bernd Pennemann, Bill Brady | 2012-02-07 |
| 7575660 | Process for the distillative separation of aqueous amine solutions | Friedhelm Steffens, Bill Brady | 2009-08-18 |
| 7322565 | Stirring device and process for carrying out a gas-liquid reaction | Berthold Keggenhoff, Jurgen Munnig, Friedhelm Steffens, Joachim C. Ritter | 2008-01-29 |
| 7307190 | Process for the preparation of toluenediamine | Bernd Pennemann, Bill Brady, Gerd Greger | 2007-12-11 |