Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391151 | Process for dissolving used paper | Jürgen Dockal-Baur, Axel Gommel, Harald Selder, Andreas Steidele, Klaus Steinbild | 2002-05-21 |
| 6000640 | Process and device for the decomposition of fibrous materials | Jochen Krebs, Andreas Steidele, Klaus Steinbild | 1999-12-14 |
| 5690751 | Vapor phase cleaning | Peter Hosel, Hans-Norbert Adams, Werner Baggenstoss | 1997-11-25 |
| 4988495 | Process for the recorvery of sulphuric acid in the production of titanium dioxide | Gerhard Wiederhoft, Eckhard Bayer, Gunter Lailach | 1991-01-29 |
| 4663131 | Process for the preparation of titanium dioxide | Rudolf Gerken, Gerhard Wiederhoft, Gunter Lailach, Walter Gutsche | 1987-05-05 |
| 4565517 | Hydraulic press for pressing mats of plastic material reinforced with glass fibers | Dirk Brinkmann, Walter Sauerwald, Klaus Schmidts, Dieter Therolf, Ulrich Weber | 1986-01-21 |
| 4238159 | Apparatus for extracting alumina from bauxite | Arther J. Tielens, Erich Todtenhaupt | 1980-12-09 |