Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153962 | Process for gently cooling and crystallizing melamine from a melamine melt or from the gaseous phase | — | 2006-12-26 |
| 6858730 | Process for the production of high purity melamine from urea | — | 2005-02-22 |
| 4567294 | Preparation of ammonium carbamate | Manfred Dressel, Heinrich Eberle, Wolfgang Ruehenbeck, Werner Zwick | 1986-01-28 |