Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102638 | Process for the selective absorption of chlorine from CO.sub.2 -containing off-gases | Ulrich Girrbach, Edgar Hartl, Egon Malow | 1992-04-07 |
| 4923485 | Process for separating organic constituents from waste gases of the production of aromatic intermediates | Ernst Horoldt, Siegbert Rittner, Herbert Kuckertz, Wilfried Billmann | 1990-05-08 |
| 4585525 | Purifying trimethylphenol by azeotropic distillation | — | 1986-04-29 |
| 4229262 | Process for separating alkoxyketone compounds from the corresponding 1-alkoxy-2-alkanol compound | Denvil E. Reed | 1980-10-21 |