Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540921 | Process for the purification of aqueous hydrogen peroxide solutions | Didier Demay, Hervé Dulphy | 2003-04-01 |
| 6296829 | Process for the aqueous purification of hydrogen peroxide containing impurities | Didier Demay | 2001-10-02 |
| 6214225 | Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic | Henry Ledon, Martine Carre, Didier Demay, Serge Jeanin | 2001-04-10 |
| 6187189 | Process for the preparation of an ultrapure solution of hydrogen peroxide by ion exchange with recycling | Henry Ledon, Didier Demay | 2001-02-13 |
| 6183638 | Plant for the preparation of an ultra pure hydrogen peroxide solution by ionic exchange in beds having defined H/D ratios | Henry Ledon | 2001-02-06 |
| 6117457 | Use of peracetic acid in fish farming | Jean-Jack Godin, Catherine Hamon | 2000-09-12 |
| 6001324 | Process for the preparation of an ultra pure hydrogen peroxide solution by ion exchange in the presence of acetate ions | Henry Ledon | 1999-12-14 |
| 5961947 | Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic | Henry Ledon, Martine Carre, Didier Demay, Serge Jeanin | 1999-10-05 |
| 5932187 | Process for the preparation of an ultra pure hydrogen peroxide solution by ionic exchange in beds having defined H/D ratios | Henry Ledon | 1999-08-03 |
| 5928621 | Process for the preparation of an ultra pure solution of hydrogen peroxide by ion exchange with recycling | Henry Ledon, Didier Demay | 1999-07-27 |