Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4518572 | Method of washing hydrogen sulfide from coke oven gas by the ammonium sulfide method | — | 1985-05-21 |
| 4499060 | Process for removing hydrogen sulfide from gases, particularly coal distillation gases | Edmund-Theo Herpers | 1985-02-12 |
| 4342731 | Method for removing hydrogen sulfide from coke oven gas | — | 1982-08-03 |
| 4296049 | Distributor for washing fluid in a scrubber or stripper | — | 1981-10-20 |