Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915169 | Method for controlling the pH of steam fluids using heterocyclic, multifunctional, nitrogen-containing compounds | Rong J. Hwang, Marion G. Reed | 1990-04-10 |
| 4871023 | Method for controlling the pH of steam fluids | Rong J. Hwang | 1989-10-03 |
| 4714112 | Method for controlling rock dissolution and pipe corrosion during oil well steam injection | Liming Hsueh | 1987-12-22 |