Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857205 | Method for inhibition of scale formation | Balram Dhawan, John L. Przybylinski | 1989-08-15 |
| 4843176 | Compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1989-06-27 |