Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668242 | Process for producing granulated potassium sulphate and potassium magnesium sulphates, and the granulates obtained thereby | Giovanni Sanfilippo | 1987-05-26 |
| 4541832 | Process for producing high purity sodium chloride from potassium mineral flotation tailings | Giovanni Sanfilippo | 1985-09-17 |