Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10486980 | Process for manufacture of purified alkaline earth metal carbonate | Ferdinand Hardinghaus, Erik Bonmann | 2019-11-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10486980 | Process for manufacture of purified alkaline earth metal carbonate | Ferdinand Hardinghaus, Erik Bonmann | 2019-11-26 |