Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831176 | Ether phosphonate surfactants having branched hydrophobic tails and their use in an enhanced oil recovery process | Krister Holmberg | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831176 | Ether phosphonate surfactants having branched hydrophobic tails and their use in an enhanced oil recovery process | Krister Holmberg | 1989-05-16 |