Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12387582 | Method for exchanging information about an event and associated system for exchanging information | Jérôme Beaudeau, Vincent Bouatou, Mikaël Bougon, Nicolas Renaud | 2025-08-12 |
| 10346682 | Method of authenticating documents by means of a mobile telecommunications terminal | Pierre Chastel | 2019-07-09 |
| 10037638 | Simplified authentication method for controls on persons | Pierre Chastel | 2018-07-31 |
| 9996997 | Method and system for controlling access to or the exit from an area | Laurent Lambert, Pierre Chastel | 2018-06-12 |
| 9303446 | Detection gate | Nicolas Fougeroux | 2016-04-05 |
| 6214306 | Composition based on zirconium oxide and cerium oxide, preparation method therefor and use thereof | Maryline Aubert, Thierry Birchem, Gilbert Blanchard | 2001-04-10 |
| 6210451 | Colloidal organic sols comprising tetravalent metal oxide/organic acid complexes | Thierry Chopin, Pierre Macaudiere | 2001-04-03 |
| 6136048 | Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis | Thierry Birchem, Pierre Macaudiere | 2000-10-24 |
| 6093223 | Aggregates of ceric oxide crystallites and reduction of vehicular emissions therewith | Jacques Lemaire, Denis Petta | 2000-07-25 |
| 6090743 | Dispersible rare earth compositions and colloidal suspensions/catalysts comprised thereof | Thierry Chopin, Gabriel Vilmin | 2000-07-18 |
| 5976476 | Catalytic composition comprising a mixture of cerium oxide with manganese, iron or praseodymium oxide, process for its preparation and its use in automobile afterburning catalysis | Gilbert Blanchard, Eric Quemere, Valérie Visciglio | 1999-11-02 |
| 5928619 | Composition based on ceric oxide, preparation and use | Lionel Bonneau, Michele Pijolat | 1999-07-27 |
| 5908800 | Composition precursor and mixed cerium and zirconium oxide-based composition, and procedure for preparation and use thereof | Lionel Bonneau, Thierry Chopin, Gabriel Vilmin | 1999-06-01 |
| 5883037 | Thermally stable/highly reducible catalyst compositions comprising alumina and the oxides of cerium and zirconium | Thierry Chopin, Gabriel Vilmin | 1999-03-16 |
| 5712218 | Cerium/zirconium mixed oxide catalysts having high/stable specific surface areas | Thierry Chopin | 1998-01-27 |
| 5693299 | Process for the catalytic conversion of exhaust gases using cerium/zirconium mixed oxide catalyst | Thierry Chopin | 1997-12-02 |
| 5529969 | B.E.T. specific surface-stabilized ceria | Lionel Bonneau, Thierry Chopin | 1996-06-25 |
| 5397758 | Alumina-based compositions and catalysts having high specific surface area | Alain Bouruetaubertot, Thierry Chopin | 1995-03-14 |
| 5348581 | Rare earth sesquisulfide compositions comprising alkali/alkaline earth metal values | Thierry Chopin, Hervé Guichon | 1994-09-20 |
| 5280002 | Thermally stable ceric oxide-based compositions and process for their preparation | Lionel Bonneau, Michele Pijolat, Marie Prin, Michel Soustelle | 1994-01-18 |