Inventor
VOIRIN ROBERT
16 patents
⚠️ This page may combine multiple inventors who share the name “VOIRIN ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELF AQUITAINE
15 patentsUS4399112AAug 16, 1983
Process for the catalytic incineration of residual gases containing a low content of at least one sulfur compound selected from COS, CS2 and the mercaptans and possibility at least one member of the group
ELF AQUITAINE62 citations95
US5766567AJun 16, 1998
Method for desulphurising a gaseous mixture containing H2 S and SO.sub.
ELF AQUITAINE23 citations92
US4814159AMar 21, 1989
Catalytic process for the production of sulphur from a gas containing H.sub. S
ELF AQUITAINE24 citations92
US4605546AAug 12, 1986
Catalytic process for the production of sulfur from a gas containing H2 S
ELF AQUITAINE21 citations81
US4479928AOct 30, 1984
Catalytic process for the production of sulphur from a gas containing H.sub. S
ELF AQUITAINE21 citations81
US4192857AMar 11, 1980
Sulphur production
ELF AQUITAINE20 citations81
US5030438AJul 9, 1991
Catalytic removal of hydrogen sulfides from liquid sulfur
ELF AQUITAINE20 citations79
US4735788AApr 5, 1988
Process of removing of COS and CS2 compounds contained in an industrial gas
ELF AQUITAINE15 citations73
US4544534AOct 1, 1985
Catalytic desulfurization process of an acid gas containing H2 S
ELF AQUITAINE17 citations73
US4436716AMar 13, 1984
Process for the production of sulphur with increased energy recovery from a gas containing H2 S, SO2, H2 and/or CO
ELF AQUITAINE12 citations73
US4849204AJul 18, 1989
Catalytic removal of hydrogen sulfides from liquid sulfur
ELF AQUITAINE8 citations71
US4283380AAug 11, 1981
Process and installation for desulphurizing gases containing SO2
ELF AQUITAINE9 citations71
US4037035AJul 19, 1977
Hydrophilic modified acrylic polymers particularly hydrodispersible or hydrosoluble modified acrylic polymers and method of preparing the same
ELF AQUITAINE7 citations69
US4025703AMay 24, 1977
Hydrophilic modified acrylic polymers particularly hydrodispersible or hydrosoluble modified acrylic polymers and method of preparing the same
ELF AQUITAINE7 citations69
US4774067ASep 27, 1988
Regenerative process for removing mercaptans contained in a gas
ELF AQUITAINE4 citations61