Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869828 | Stabilization of iron in aqueous systems | Kenneth P. Fivizzani, Roy I. Kaplan | 1989-09-26 |
| 4801388 | Modified acrylamide polymers used as scale inhibitors | Dodd W. Fong, Donald A. Johnson | 1989-01-31 |