Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847033 | Method and device for quickly and continually detecting changes in the concentration of radon gas that is dissolved in water | Klaus Freyer, Hanns-Christian Treutler | 2005-01-25 |
| 5993664 | Method for producing a material for heavy metal absorption or for analytically detecting heavy metals | Thomas Streil, Wolfram Grundke | 1999-11-30 |
| 4545969 | Process for dewatering zeolite suspensions | Friedrich W. Diekotter, Edgar Honges, Heinz Smolka, Willi Wust | 1985-10-08 |
| 4367073 | Preparation of solid, crystalline, substantially anhydrous sodium metasilicate | — | 1983-01-04 |
| 4339244 | Process for the reduction of the particle size of coarse grain zeolitic sodium aluminosilicates | Franz-Josef Carduck | 1982-07-13 |