Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407827 | Device and method for treating the black liquor resulting from pulping by hydrothermal liquefaction | Marion Huet, Anne Roubaud | 2019-09-10 |
| 10006168 | Method for treating chemical pulps by treatment with ozone in the presence of magnesium ions | Frédéric POUYET, Christine Chirat | 2018-06-26 |
| 8268120 | Method for bleaching chemical paper pulps by final ozone treatment at high temperature | Guillaume Pipon, Christine Chirat, Jean-Christophe Hostachy, Achim Ried | 2012-09-18 |
| 5169495 | Process for bleaching high yield pulp with hydrogen peroxide by adjusting the alkalinity during bleaching with sodium hydroxide | — | 1992-12-08 |
| 4787959 | Process for preparing chemical paper pulps by cooking, intermediate grinding and a final alkaline peroxide delignification | Christian de Choudens, Pierre Monzie | 1988-11-29 |
| 4756798 | Process for bleaching a mechanical pulp with hydrogen peroxide | Claude Bourne, Christian de Choudens | 1988-07-12 |