Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306431 | Process for automatically controllable reduction of the nitrite content of nitrite-containing aqueous solutions to values below 1 mg/1 | Hubert Wolf, Klaus Stuetzel, Friedhelm Brandner, Manfred Diehl | 1994-04-26 |
| 5300554 | Aqueous contact adhesive dispersions, process for their preparation, and their use | Manfred Krell, Wilfried Huster | 1994-04-05 |
| 5275791 | Process for the leaching of gold and silver with cyanidic leaching solution and controlled addition of hydrogen peroxide | Helmut Knorre, Andrew Griffiths, Juergen Loroesch | 1994-01-04 |