Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110431 | Alumina having acidity and structure with a porosity which are optimal | Olivier Ducreux | 2021-09-07 |
| 8809612 | Purification of an olefinic fraction by adsorption on alumina-faujasite co-granules | Olivier Ducreux, Catherine Pommier | 2014-08-19 |
| 8551900 | Purification of an olefinic fraction by adsorption on alumina-faujasite co-granules | Olivier Ducreux, Catherine Pommier | 2013-10-08 |
| 7988943 | Treatments of tail gas from a claus unit over an optimized sequence of catalysts | Eric Roisin | 2011-08-02 |
| 7625430 | Use of aluminas as capture mass for organometallic silicon complexes | — | 2009-12-01 |
| 7374737 | Use of a tiO2 composition as catalyst for hydrolyzing COS and/or HCN | Jean-Louis Ray | 2008-05-20 |
| 7357905 | Process for eliminating sulfur-containing compounds by direct oxidation | Jean Francois Chapat, Jean-Louis Ray | 2008-04-15 |
| 7252768 | Method for eliminating metal halides that are present in a liquid or gaseous, organic or non-organic effluent | — | 2007-08-07 |
| 7125538 | Alumina and methods for preparing the same | Jean-Luc Le Loarer | 2006-10-24 |
| 7090825 | Alumina agglomerates and preparation method thereof | Jean-Luc Le Loarer | 2006-08-15 |
| 7022161 | Process using alumina agglomerates to eliminate organic oxygen-containing molecules present in an organic effluent | — | 2006-04-04 |
| 6790422 | Catalytic treatment of gaseous effluents containing varying amounts of sulfur compounds | Olivier Legendre | 2004-09-14 |
| 6677448 | Method for reactivating a catalyst for cyclizing hydrolysis of an aminonitrile into a lactam and use of the regenerated catalyst for making lactams | Jean-Pierre Brunelle | 2004-01-13 |
| 6656363 | Method for eliminating organophosphorus compounds contained in a gas or liquid | Dominique Laucher | 2003-12-02 |
| 6589494 | Process for eliminating halogen-containing compounds contained in a gas or liquid using an adsorbent composition based on at least one metallic element | — | 2003-07-08 |
| 6413434 | Method for eliminating halogenated compounds contained in a gas or liquid | — | 2002-07-02 |
| 6409910 | Process for treating gas or liquids that are obtained from catalytic reforming | — | 2002-06-25 |
| 6288299 | Method for eliminating inhibitors of polymerization of monomer mixtures using an optimized alumina | — | 2001-09-11 |
| 6262259 | Method for preparing lactam | Marie-Christine Cotting, Laurent Gilbert, Nathalie Laurain | 2001-07-17 |
| 6174480 | Method for eliminating inhibitors of polymerization of monomer mixtures using an alumina with optimized form | — | 2001-01-16 |
| 6103917 | Method for regenerating anthraquinone derivatives during a synthesis process of hydrogen peroxide 30 % | Jean-Luc Le Loarer, Bernard Taxil | 2000-08-15 |
| 6080379 | Alumina-based catalyst for the treatment of gases containing sulphur compounds, use of these catalysts for the treatment and processes for treatment of the said gases | Olivier Legendre | 2000-06-27 |
| 6024933 | Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst | Olivier Legendre | 2000-02-15 |
| 5756791 | Process for the adsorption of chelated organometallic compounds and alumina beads including a chelated organometallic compound | Bernard Taxil | 1998-05-26 |
| 5744420 | Adsorption of chelated organometallic compounds onto alumina-based adsorbents | Jean-Luc Le Loarer | 1998-04-28 |