Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597917 | Method for the production of N-cyclic and N,N'-dicyclic ureas and their use as chemical solvents | Kurt A. Hackl, Markus R ossler, Gerhard Stern | 1997-01-28 |
| 5578723 | Process for preparing cyanuric acid by seperation from an isocyanic acid/ammonia gas mixture | Erich Schulz, Georg H aubl | 1996-11-26 |