Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637743 | Quaternary ammonium surfactants derived from tertiary amines and fabric softeners containing quaternary ammonium surfactants | Jean-Pierre Contet, Stephane Courdavault Duprat, Paul Nivollet, Didier Ray, Yvan Storet +1 more | 1997-06-10 |