Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100640 | Method of operating a Claus-plant | Manfred Gross, Ulrich Meisl | 1992-03-31 |
| 4511549 | Process for the elimination of waste water produced upon the desulfurization of coking oven gas by means of wash solution containing organic oxygen-carrier, with simultaneous recovery of elemental sulfur | Peter James Diemer, Werner Brake | 1985-04-16 |