Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923485 | Process for separating organic constituents from waste gases of the production of aromatic intermediates | Ernst Horoldt, Richard C. Grimm, Siegbert Rittner, Herbert Kuckertz | 1990-05-08 |