Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662826 | Process for the preparation of a coagulating chemical comprising dissolving a solid zeolite in a solution of trivalent metal salt | Kjell Stendahl | 1997-09-02 |
| 4563342 | Method for producing basic aluminum sulphate (III) | Lennart K. Gunnarsson | 1986-01-07 |