Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627965 | Method of desulfurizing industrial flue gases | Karl-Rudolf Hegemann | 1986-12-09 |
| 4304570 | Method of separation of sulfur from a scrubbing liquid | Werner Stehning | 1981-12-08 |