Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185268 | Method for the determination of total nitrogen including adding an alkali metal halide or an alkaline earth metal halide to the sample | Bonometti, Roland Olivier | 1993-02-09 |
| 5004591 | Catalytic process for removal of hydrogen sulfides from liquid sulfur | Romain Fouque, Jean-Louis Auriol | 1991-04-02 |
| 4905160 | Device for regulating the operation of a chemical treatment plant, to improve efficiency by attenuation of the variances of the regulating parameters | Gerard Butte, Alain Vignau, Marc Albertini | 1990-02-27 |
| 4897251 | Catalytic removal of hydrogen sulphide from liquid sulphur | Romain Fouque, Jean-Louis Auriol | 1990-01-30 |
| 4567222 | Process for preparing bitumen-polymer compositions, application to these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions | Germain Hagenbach, Paul Maldonado | 1986-01-28 |
| 4554137 | Enrichment of minerals by flotation and collector agents employed for this purpose | Patrice Guesnet, Pierre Tozzolino, Guy Muller | 1985-11-19 |
| 4554313 | Process for preparing bitumen-polymer compositions, application of these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions | Germain Hagenbach, Paul Maldonado | 1985-11-19 |