Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884636 | Delaying the gelation of water soluble polymers | Ahmad Moradi-Araghi | 1989-12-05 |
| 4845134 | Gelable compositions and use thereof in steam treatment of wells | Peter Harold Doe | 1989-07-04 |
| 4822842 | Delaying the gelation of water soluble polymers | Ahmad Moradi-Araghi | 1989-04-18 |
| 4799548 | Gelable compositions and use thereof in steam treatment of wells | Peter Harold Doe | 1989-01-24 |