Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525283 | Process for the decontamination of effluents | Otto Horak, Werner Falkenberg, Rolf Muders | 1985-06-25 |
| 4299966 | Process for the preparation of 4,4',7,7'-tetrachlorthioindigo in pigment form | Hans-Samuel Bien, Klaus Wunderlich | 1981-11-10 |