Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342632 | Process and plant for the production of urea with high conversion yield and low energy consumption | Umberto Zardi | 2002-01-29 |
| 6340451 | Method for the simultaneous modernization of a plant for ammonia production and a plant for urea production | Federico Zardi | 2002-01-22 |
| 6334984 | Hydrolysis reactor for removal of urea, ammonia and carbon dioxide from a liquid phase comprising urea in aqueous solution | Federico Zardi | 2002-01-01 |