Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855117 | Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur | Sigismond Franckowiak, Serge Leporq | 1989-08-08 |