Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708974 | Enhanced hydrocarbon recovery by permeability modification with phenolic gels | Ping CHANG, Gordon D. Gruetzmacher, Clifford N. Meltz | 1987-11-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708974 | Enhanced hydrocarbon recovery by permeability modification with phenolic gels | Ping CHANG, Gordon D. Gruetzmacher, Clifford N. Meltz | 1987-11-24 |