Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330656 | Polysalt compositions and the use thereof for treating an oil and water system | — | 1994-07-19 |
| 5286390 | Method for treating deink wastes using melamine aldehyde-type polymers | Ross T. Gray | 1994-02-15 |