Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8618017 | Irregularly shaped non-spherical supported catalyst, and a process for hydroconversion heavy oil fractions | Stephane Kressmann, Magalie Roy-Auberger, Denis Guillaume, Jean Francois Chapat | 2013-12-31 |
| 7125538 | Alumina and methods for preparing the same | Christophe Nedez | 2006-10-24 |
| 7090825 | Alumina agglomerates and preparation method thereof | Christophe Nedez | 2006-08-15 |
| 6656875 | Alumina extrudates, methods for preparing and use as catalysts supports | Hubert Nussbaum, Denis Bortzmeyer | 2003-12-02 |
| 6103917 | Method for regenerating anthraquinone derivatives during a synthesis process of hydrogen peroxide 30 % | Christophe Nedez, Bernard Taxil | 2000-08-15 |
| 5891412 | Ceric oxide particulates having improved morphology | Francoise Picard, Claire David | 1999-04-06 |
| 5744420 | Adsorption of chelated organometallic compounds onto alumina-based adsorbents | Christophe Nedez | 1998-04-28 |
| 5718879 | Lanthanum-stabilized alumina particulates | Thierry Chopin | 1998-02-17 |
| 5518703 | Production of finely divided rare earth ammonium oxalates/finely divided rare earth oxides | Bernard-Antoine Dissaux, Bernard Pacaud, Michel Ries | 1996-05-21 |
| 5403565 | Thorium phosphates prepared by insolubilization of soluble thorium compounds | Thierry Delloye, Alain Leveque | 1995-04-04 |
| 5338520 | Recovery of neodymium/didymium values from bastnaesite ores | Alain Leveque | 1994-08-16 |
| 5279789 | Ceric oxide particulates having improved morphology | Francoise Picard, Claire David | 1994-01-18 |
| 5273949 | Silica-stabilized alumina | Thierry Chopin, Georges Dovergne | 1993-12-28 |
| 5174984 | Ceric oxide with new morphological characteristics and method for obtaining same | — | 1992-12-29 |
| 5064628 | Novel ceric oxides and preparation thereof | Jean-Yves Chane-Ching, Patrick Dupuis | 1991-11-12 |
| 5035834 | Novel cerium (IV) compounds | Jean-Yves Chane-Ching | 1991-07-30 |
| 5026421 | Polishing compositions based on cerium and process for the preparation thereof | Francis Tastu | 1991-06-25 |
| 5023070 | Process for obtaining a ceric oxide | — | 1991-06-11 |
| 5013534 | Morphologically improved rare earth trifluorides | Antoine Dissaux | 1991-05-07 |
| 5011671 | Ceric oxide with new morphological characteristics and method for obtaining same | — | 1991-04-30 |
| 5002747 | Process for obtaining ceric oxide | — | 1991-03-26 |