Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910005 | Process for the reduction of nitrogen oxides from exhaust gases | Hans-Hermann Heins, Siegfried Gruhl, Klaus Holzer | 1990-03-20 |
| 4622195 | Continuous process for the production of polyacrylonitrile filaments and fibers | Dieter Paulini, Edgar Muschelknautz, Wolfram Wagner, Herbert Groschel | 1986-11-11 |
| 4387476 | Method and an apparatus for a washing process subsequent to the spinning of synthetic fibers | Robert Bruck, Edgar Muschelknautz, Dieter Paulini, Karlheinz Feltgen | 1983-06-14 |