Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5124135 | Process for the selective absorption of chlorine and/or bromine from CO.sub. -containing off-gases with the aid of steam | Edgar Hartl, Egon Malow | 1992-06-23 |
| 5102638 | Process for the selective absorption of chlorine from CO.sub.2 -containing off-gases | Richard C. Grimm, Edgar Hartl, Egon Malow | 1992-04-07 |
| 5028736 | Process for the separation and recovery of naphthalene-sulfonic acids from aqueous solutions | Siegbert Rittner, Siegfried Bildstein, Klaus Schmiedel | 1991-07-02 |