Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444185 | Process for recovering as sulfur the compounds H2S, SO2, COS and/or CS2 in a tail gas from a sulfur plant | Jean Nougayrede, Sabine Savin-Poncet | 2002-09-03 |
| 6083471 | Method and catalyst for catalytically oxidizing a low concentration of H.sub.2 S in a gas to give sulphur | Sabine Savin-Poncet, Jean Nougayrede, Marc-Jacques Ledoux, Cuong Pham Huu, Claude Crouzet | 2000-07-04 |
| 6056936 | Catalytic desulphurization process for a gas containing H.sub.2 S and SO.sub.2 compounds and catalyst for implementing said process | Jean Nougayrede | 2000-05-02 |
| 6017507 | Process for oxidation of H.sub.2 S to sulphur | Jean Nougayrede, Sabine Savin-Poncet | 2000-01-25 |
| 5766567 | Method for desulphurising a gaseous mixture containing H.sub.2 S and SO.sub . | Robert Voirin | 1998-06-16 |
| 5607657 | Removal of sulfur compounds in claus type residual gases with sulfur recovery | Jean Nougayrede, Georges Kvasnikoff | 1997-03-04 |
| 5508013 | Process for the production of sulphur from at least one sour gas containing hydrogen sulphide and a fuel effluent and thermal reactor | Georges Kvasnikoff, Jean Nougayrede | 1996-04-16 |
| 5494650 | Process for improving the sulphur yield of a complex for producing sulphur from a sour gas containing H.sub.2 S, the said complex comprising a sulphur plant and then an oxidation and hydrolysis unit followed by a purification unit | Georges Kvasnikoff, Jean Nougayrede | 1996-02-27 |
| 5202107 | Process for improving the sulphur yield of a complex for the production of sulphur followed by a purification unit | Georges Kvasnikoff, Robert Voirin | 1993-04-13 |
| 5185140 | Process for removing sulphur compounds from a residual gas | Georges Kvasnikoff, Jean Nougayrede | 1993-02-09 |
| 5132098 | Process for removing sulphur compounds contained in a residual gas | Georges Kvasnikoff, Jean Nougayrede | 1992-07-21 |
| 5077031 | Catalytic process for producing sulphur from H.sub.2 S containing sour gas | Georges Kvasnikoff, Jean Nougayrede | 1991-12-31 |
| 4980146 | Process for removing sulphur compounds contained in a residual gas | Georges Kvasnikoff, Jean Nougayrede | 1990-12-25 |
| 4894216 | Catalytic process for producing sulphur from H.sub.2 S containing sour gas | Georges Kvasnikoff, Jean Nougayrede | 1990-01-16 |
| 4192857 | Sulphur production | Jacques Tellier, Pierre Mathieu, Robert Voirin | 1980-03-11 |