Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317893 | Oil recovery by waterflooding employing an anionic polymeric surfactant containing recurring succinimide or succinamide groups | Catherine S. H. Chen | 1982-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317893 | Oil recovery by waterflooding employing an anionic polymeric surfactant containing recurring succinimide or succinamide groups | Catherine S. H. Chen | 1982-03-02 |