Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683203 | Process for the manufacture of aqueous solutions of unsaturated quaternary ammonium salts | Thierry Druzkowski, Gilles Herbst, Serge Tretjak | 2004-01-27 |
| 6673884 | Method for making monomers with two quarternary amino group and (co)polymers obtained from said monomers | Denis Tembou N'Zudie, Marc Esch, Vladimir Chaplinski, Didier Vanhoye | 2004-01-06 |