Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238641 | Catalyst based on ferrierite/iron for catalytic reduction of nitrous oxide | Karine Malefant, Christian Hamon | 2007-07-03 |
| 6890501 | Method for simultaneously abating nitric oxides and nitrous oxides in gases containing them | Gerard Delahay, Mathias Mauvezin, Bernard Coq | 2005-05-10 |
| 6221324 | Process for the removal from gases of nitrogen oxides NOx by selective catalytic reduction (SCR) using ammonia over zeolite catalysts not causing the formation of nitrogen protoxide | Bernard Coq, Gerard Delahay, Francois Fajulas, Jean-Bernard Peudpiece, Stephane Kieger | 2001-04-24 |
| 6110388 | Sludge filtration device comprising a filter piston, and sludge treatment plant and sludge filtration process thereof | Marcel Norais | 2000-08-29 |
| 5409516 | Process for the production of phospho-nitrogenous products and products thus obtained | Patrick Achard, Pierre Ilbizian, Laurent Limousin, Jean-Bernard Peudpiece, Yvan Schwob | 1995-04-25 |