Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452018 | 2-(2′-hydroxyphenyl) benzotriazoles containing a 2,4-imidazolidinedione group and process for their preparation | Carlo Neri, Barbara Granelli | 2002-09-17 |
| 6407254 | 2-(2′-hydroxyphenyl)benzotriazoles used as U.V. stabilizers | Carlo Neri, Rosalba Colombo | 2002-06-18 |
| 6268505 | 2-(2'Hydroxyphenyl) benzotriazoles and process for their preparation | Carlo Neri, Rosalba Colombo | 2001-07-31 |
| 6121456 | 2-(2'Hydroxyphenyl) benzotriazoles and process for their preparation | Carlo Neri, Rosalba Colombo | 2000-09-19 |
| 5218116 | Procedure for the preparation of nitroxyl radicals of sterically hindered amines | Carlo Neri, Silvestro Costanzi, Mariangela Angaroni | 1993-06-08 |