Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426321 | Biodegradable drilling mud and process for its preparation | Josiane Durrieu, Michel Guillerme, Christian Zurdo | 2002-07-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426321 | Biodegradable drilling mud and process for its preparation | Josiane Durrieu, Michel Guillerme, Christian Zurdo | 2002-07-30 |