Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662546 | Method and system for producing crystalline calcium carbonate by the combined use of two gases with different CO2 content | Berit Hillbrecht | 2020-05-26 |
| 5162486 | Preparation of spherical, hard mono- or oligodisperse particles of melamine resin | Dietrich Hoffmann, Wolfgang Sliwka | 1992-11-10 |
| 4689153 | Process of and apparatus for ultrafiltration | Heinrich Ebner | 1987-08-25 |