Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883514 | Processing nitrogen-rich gases with physical solvents | — | 1989-11-28 |
| 4883515 | Processing hydrocarbon gases with selected physical solvents | Freylon B. Coffey | 1989-11-28 |
| 4832718 | Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents | — | 1989-05-23 |