Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690708 | Column for contacting gas and liquid | Anton Matthijs Danckaarts | 1997-11-25 |
| 4863568 | Apparatus for fractional distillation under vacuum | — | 1989-09-05 |
| 4863570 | Process for fractional distillation under vacuum | — | 1989-09-05 |