Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607657 | Removal of sulfur compounds in claus type residual gases with sulfur recovery | Andre Philippe, Jean Nougayrede | 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 | Jean Nougayrede, Andre Philippe | 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 | Jean Nougayrede, Andre Philippe | 1996-02-27 |
| 5202107 | Process for improving the sulphur yield of a complex for the production of sulphur followed by a purification unit | Andre Philippe, Robert Voirin | 1993-04-13 |
| 5185140 | Process for removing sulphur compounds from a residual gas | Jean Nougayrede, Andre Philippe | 1993-02-09 |
| 5132098 | Process for removing sulphur compounds contained in a residual gas | Jean Nougayrede, Andre Philippe | 1992-07-21 |
| 5077031 | Catalytic process for producing sulphur from H.sub.2 S containing sour gas | Jean Nougayrede, Andre Philippe | 1991-12-31 |
| 4980146 | Process for removing sulphur compounds contained in a residual gas | Jean Nougayrede, Andre Philippe | 1990-12-25 |
| 4894216 | Catalytic process for producing sulphur from H.sub.2 S containing sour gas | Jean Nougayrede, Andre Philippe | 1990-01-16 |
| 4596699 | Apparatus for burning hydrogen sulphide | Guy Desgrandchamps, Claude Blanc | 1986-06-24 |
| 4436716 | Process for the production of sulphur with increased energy recovery from a gas containing H.sub.2 S, SO.sub.2, H.sub.2 and/or CO | Robert Voirin | 1984-03-13 |
| 4395390 | Process to produce sulphur from two acid gases, both containing hydrogen sulphide and one of which contains ammonia | Guy Desgrandchamps, Claude Blanc | 1983-07-26 |