Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872996 | Use of aminophosphonic acids to inhibit scale formation and corrosion caused by manganese in water systems | Jeffrey G. Grierson, David A. Wilson | 1989-10-10 |
| 4799995 | Scale inhibition formulations for kraft digesters | Lance A. Cooper, Thomas M. Hopkins, II | 1989-01-24 |