Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616094 | Isolation of liquid urea from the off-gas of the synthesis of melamine | Klaus Borho, Dieter Fromm, Hans H. Schneehage, Alfred Widmann | 1986-10-07 |
| 4387224 | Melamine quality by reactivation of the melamine synthesis catalyst | Dieter Fromm, Hans H. Schneehage, Wolfgang Vodrazka | 1983-06-07 |
| 4360504 | Simultaneous destruction of trace components in the reaction off-gas from the synthesis of melamine | Klaus Blanck, Winfried Dethlefsen, Anton Jungbauer, Bernd Leutner, Hans-Ulrich Schlimper +1 more | 1982-11-23 |