Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814096 | Enhanced oil recovery process using a hydrophobic associative composition containing a hydrophilic/hydrophobic polymer | — | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814096 | Enhanced oil recovery process using a hydrophobic associative composition containing a hydrophilic/hydrophobic polymer | — | 1989-03-21 |