Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290973 | Process for manufacturing petroleum sulfonates and the resultant products | Pierre Baumgartner, Jean-Pierre Desmarquest, Jean-Pierre Franck | 1981-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290973 | Process for manufacturing petroleum sulfonates and the resultant products | Pierre Baumgartner, Jean-Pierre Desmarquest, Jean-Pierre Franck | 1981-09-22 |