Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158625 | Process and apparatus for heat treating articles while hardening in gaseous medium | Benoit Lhote, Philippe Queille, Eric Duchateau | 1992-10-27 |
| 4536907 | Process for effecting an accelerated neutralization of cellulose textile substrates impregnated with alkaline hydroxide | Jean Levielle, Andre Thomas, Francoise Grangette | 1985-08-27 |
| 4230478 | Deodorant composition for animal and vegetal wastes | — | 1980-10-28 |