Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233072 | Process for the preparation of dialkyl carbonates | Zoltan Kricsfalussy, Helmut Waldmann, Hans-Joachim Traenckner, Reinhard Schomacker | 1993-08-03 |
| 4585561 | Flotation process for the continuous recovery of silver or silver compounds from solutions or dispersions | Georg Schindler, Gunther Koepke, Werner Stracke | 1986-04-29 |
| 4534862 | Apparatus for flotation | — | 1985-08-13 |
| 4508546 | Mechanical foam breakers and a process for mechanical foam-breaking | — | 1985-04-02 |
| 4444739 | Process for the production of cyanogen chloride from hydrocyanic acid and chlorine | Heinrich Konigshofen, Dieter W. Bruck, Alfred Nierth, Hans-Jorg Uhlmann | 1984-04-24 |