Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11807657 | Process for isolating lignin from an alkaline process stream | Marlene KIENBERGER, Thomas Pichler | 2023-11-07 |
| 8222439 | Process for the production of carboxylic acid esters | Wolfgang Glasl, Martin Mittelbach, Erich Jeitler, Wilhelm Hammer, Helmut Gossler +1 more | 2012-07-17 |
| 7591930 | Thin-film evaporator | Wolfgang Glasl, Michael Koncar | 2009-09-22 |
| 6468327 | Process for processing residual substances containing at least one nonferrous metal and/or compounds thereof | Wilhelm Hans Zapfel, Hertha Luttenberger | 2002-10-22 |