Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6309609 | Apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide, comprising a step for depleting the recycled solvent in sulphur | Claude Dezael, Jean-Charles Viltard | 2001-10-30 |
| 6280698 | Removal of by-products in method for processing a gas containing hydrogen sulfide and sulfur dioxide | Christian Streicher, Cecile Barrere-Tricca | 2001-08-28 |
| 6277352 | Method and device for processing a gas containing hydrogen sulfide and sulfur dioxide, comprising a stage of removal of solid by-products | Christian Streicher, Daniel Benayoun, Cecile Barrere-Tricca | 2001-08-21 |
| 6238099 | Easy-to-clean optical connector | Pierre-Yves Le Guen | 2001-05-29 |
| 6210454 | Apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide | Jean-Charles Viltard, Claude Dezael | 2001-04-03 |
| 6165436 | High-pressure sulfur recovery process | Claude Dezael, Jacques Queyrel | 2000-12-26 |
| 6116098 | Device for sampling and/or injecting fluids liable to evolve according to a reversible reaction | Albert Lubek, Etienne Lebas | 2000-09-12 |
| 6114178 | Device for removing and/or injecting a fluid sample enabling the chemical and/or thermodynamic equilibrium to be preserved | Claude Dezael | 2000-09-05 |
| 6096195 | Process and unit for hydrotreating a petroleum feedstock that comprises the cracking of ammonia and the recycling of hydrogen in the unit | Christian Streicher, Christian Busson | 2000-08-01 |
| 5951961 | Process for treating a gas containing hydrogen sulphide and sulphur dioxide, comprising a step for eliminating sulphur by cooling a gaseous effluent | Jean-Charles Viltard, Claude Dezael | 1999-09-14 |
| 5935547 | Process for treating gas containing hydrogen sulfide and sulphur dioxide, comprising a step for depleting the recycled solvent in sulphur | Claude Dezael, Jean-Charles Viltard | 1999-08-10 |