Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673884 | Method for making monomers with two quarternary amino group and (co)polymers obtained from said monomers | Alain Riondel, Marc Esch, Vladimir Chaplinski, Didier Vanhoye | 2004-01-06 |