Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857633 | Method for high temperature phase separation of solutions containing polymers | Charles Cozewith, Stephen S. Kasegrande | 1989-08-15 |
| 4828029 | Solubilizing surfactants in miscible drive solvents | — | 1989-05-09 |