Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721363 | Process for the production of highly pure melamine | Lorenzo Canzi, Aldo Canzi, Gerhard Coufal, Mario Virardi, Martin Mullner | 1998-02-24 |
| 4435604 | Method for the recovery of pentaerythritol from the residual mixtures of the synthesis from acetaldehyde and formaldehyde | Gianalvise Carazzolo, Giancarlo Colombo, Giulio Gavella, Franco Gianetti | 1984-03-06 |