Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10206860 | Biguanide preservation of precipitated calcium carbonate | Nilza Shimohirao, Odete Tieko Yamane, Joao Abel Correia, Enzo Utima, Andre S. David | 2019-02-19 |
| 8940279 | Biguanide preservation of precipitated calcium carbonate | Nilza Shimohirao, Odete Tieko Yamane, Abel Correia, Enzo Utima, Andre S. David | 2015-01-27 |