Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323857 | Process for enhancing oil recovery using scleroglucan powders | Yves Huet, Alain Donche | 1994-06-28 |
| 5322123 | Use of gel-based compositions for reducing the production of water in oil- or gas-producing wells | Norbert Kohler | 1994-06-21 |