Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776168 | Disintegratable cigarette filter | Eberhard Teufel, Emmerich Sackers | 2004-08-17 |
| 6207601 | Melt-blown nonwoven fabric, process for producing same and the uses thereof | Paul Rustemeyer, Eberhard Teufel | 2001-03-27 |
| 5449555 | Cellulose acetate filaments, an optically isotropic spinning solution therefor, and use thereof for the production of filaments | Ties Karstens, Wolfgang Koppe, Joachim Schatzle | 1995-09-12 |
| 4818594 | Consolidated nonwoven fabrics and process for producing them | Klaus Albien | 1989-04-04 |
| 4753730 | Filter for separating substances having lipophilic and/or oleophilic and/or apolar properties from different liquids, gases and vapors | — | 1988-06-28 |
| 4439214 | Adsorption device for the dry purification of gases | Gunther Wiebke, deceased, Piet J. L. Laurijsen, Roman Kurth | 1984-03-27 |