Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596196 | Rare earth borate, its precursor, and luminophore made thereof | Denis Huguenin | 2003-07-22 |
| 6491886 | Method for treating gases to reduce nitrogen oxide emissions | Catherine Hedouin | 2002-12-10 |
| 6464953 | LaMO3 type composition, M being aluminium, gallium or indium, in powder or sintered form, method of preparation and use as conductor of oxygen | Thierry Seguelong | 2002-10-15 |
| 6419735 | Composition based on samarium sesquisulphide, preparation method and use as coloring pigment | Sylvain Busnot | 2002-07-16 |
| 6352678 | Process for preparing a rare earth borate by reacting together at least one rare earth salt, boric acid and a base | Denis Huguenin, Rachid Mahiou | 2002-03-05 |
| 6284033 | Inorganic rare earth pigments/colorants and synthesis/applications thereof | Thierry Chopin | 2001-09-04 |
| 6238593 | Rare-earth borate and its precursor, preparation processes and use of borate as luminophore | Denis Huguenin | 2001-05-29 |
| 6221473 | Rare-earth and alkali sulphide, method for preparing same and use thereof as a pigment | Maryline Aubert | 2001-04-24 |
| 6210451 | Colloidal organic sols comprising tetravalent metal oxide/organic acid complexes | Thierry Chopin, Olivier Touret | 2001-04-03 |
| 6180073 | Compound with base of an alkaline-earth, sulphur and aluminium, gallium or indium, method of preparing same and use as luminophore | Denis Huguenin | 2001-01-30 |
| 6136048 | Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis | Thierry Birchem, Olivier Touret | 2000-10-24 |
| 6136084 | Sulphur compounds coated with a zinc compound for use as pigments | Sylvain Busnot | 2000-10-24 |
| 5968247 | Very finely divided rare earth sulfide colorant compositions | — | 1999-10-19 |
| 5888291 | Alkaline-earth metal-, copper- and optionally titanium-based silicates, blue or violet pigments based on these silicates, process for their preparation and their use | Thierry Chopin | 1999-03-30 |
| 5876681 | Spinel-based catalysts for reducing exhaust emissions of NO.sub.x | Philippe J. Barthe, Thierry Seguelong | 1999-03-02 |
| 5755868 | Very finely divided rare earth sulfide colorant compositions | — | 1998-05-26 |
| 5746990 | Process for the preparation of rare-earth sulphides from halides | Yvette Pescher | 1998-05-05 |
| 5736114 | Spinel-based catalysts for reducing exhaust emissions of NO.sub.x | Philippe J. Barthe, Thierry Seguelong | 1998-04-07 |
| 5501733 | Rare earth metal sulfide pigments comprising fluorine values | Jorge Morros, Jean-Michel Tourre, Alain Tressaud | 1996-03-26 |