Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5166432 | Process for the production of cyanamide | Jens Weitkamp, Stefan Ernst, Kurt Scheinost, Benedikt Hammer, Werner Goll +1 more | 1992-11-24 |
| 5041273 | Process for the reduction of the emission of sulphur dioxide and/or of oxides of nitrogen in combustion processes | — | 1991-08-20 |
| 4315773 | Desulfurization mixture and process for desulfurizing pig iron | Alfred Freissmuth, Werner Gmohling | 1982-02-16 |
| 4309206 | Process for the production of odorless prilled urea-dicyandiamide fertilizers | Horst Michaud, Josef Seeholzer | 1982-01-05 |
| 4260413 | Desulfurizing composition, process for producing them and desulfurization of pig iron and steel | Alfred Freissmuth, Werner Gmohling | 1981-04-07 |