Inventor

PHILIPPE ANDRE

FR15 patents

⚠️ This page may combine multiple inventors who share the name “PHILIPPE ANDRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ELF AQUITAINE

10 patents

US5766567AJun 16, 1998

Method for desulphurising a gaseous mixture containing H2 S and SO.sub.

ELF AQUITAINE23 citations92

US5607657AMar 4, 1997

Removal of sulfur compounds in claus type residual gases with sulfur recovery

ELF AQUITAINE24 citations92

US5508013AApr 16, 1996

Process for the production of sulphur from at least one sour gas containing hydrogen sulphide and a fuel effluent and thermal reactor

ELF AQUITAINE39 citations92

US5185140AFeb 9, 1993

Process for removing sulphur compounds from a residual gas

ELF AQUITAINE22 citations92

US4192857AMar 11, 1980

Sulphur production

ELF AQUITAINE20 citations81

US5494650AFeb 27, 1996

Process for improving the sulphur yield of a complex for producing sulphur from a sour gas containing H2 S, the said complex comprising a sulphur plant and then an oxidation and hydrolysis unit followed by a purification unit

ELF AQUITAINE14 citations73

US5132098AJul 21, 1992

ELF EXPLORATION PROD

3 patents

US6444185B1Sep 3, 2002

Process for recovering as sulfur the compounds H2S, SO2, COS and/or CS2 in a tail gas from a sulfur plant

ELF EXPLORATION PROD54 citations91

US6083471AJul 4, 2000

Method and catalyst for catalytically oxidizing a low concentration of H2 S in a gas to give sulphur

ELF EXPLORATION PROD32 citations91

US6056936AMay 2, 2000

Catalytic desulphurization process for a gas containing H2 S and SO2 compounds and catalyst for implementing said process

ELF EXPLORATION PROD17 citations83

ELF AQUITAINE PRODUCTIION

1 patent

US6017507AJan 25, 2000

Process for oxidation of H2 S to sulphur

ELF AQUITAINE PRODUCTIION27 citations88

NAT ELF AQUITAINE PROD SOC