Henri Gruhier
10Patents
5h-index
6Co-inventors
51Inventor score
Filing activity: Oct 22, 1974 → Jan 30, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4044114A | Process for purifying a gas containing sulfur compounds | Chemistry; Metallurgy | 28 | Expired |
| US4197277A | Process for oxidizing sulfur and sulfur compounds | Chemistry; Metallurgy | 24 | Expired |
| US4310497A | Process for purifying a hydrogen sulfide containing gas | Chemistry; Metallurgy | 20 | Expired |
| US4220634A | Process for converting ammonium imidodisulfate, ammonium sulfamate and ammonium dithionate to sulfur dioxide and ammonia | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4277458A | Process for oxidizing sulfur and sulfur compounds | Performing Operations; Transporting | 9 | Expired |
| US4081515A | Catalytic conversion of an ammonium sulfate to sulfur dioxide and ammonia | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4148760A | Catalyst for oxidizing sulfur or sulfur compounds | Performing Operations; Transporting | 2 | Expired |
| US4146579A | Process for converting sulfitic solutions by means of ammonium bisulfate with SO.sub.2 production | Chemistry; Metallurgy | 1 | Expired |
| US4174383A | Process for purifying a sulfur dioxide containing gas with production of elemental sulfur | Chemistry; Metallurgy | 0 | Expired |
| US3974257A | Process for removing sulfur dioxide contained in a gas | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.