Marc-Jacques Ledoux
24Patents
11h-index
68Co-inventors
78Inventor score
Filing activity: Jul 17, 1984 → Dec 7, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4581344A | Catalysts for the hydrotreatment of hydrocarbons and their preparation | Chemistry; Metallurgy | 39 | Expired |
| US7988861B2 | Materials based on tangled nanotubes or nanofibres, preparation method thereof and use of same | Chemistry; Metallurgy | 28 | Active |
| US4914070A | Process for the production of silicon carbide with a large specific surface area and use for high-temperature catalytic reactions | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6235259A | Method and catalyst for direct sulphur oxidation of H2S contained in a gas | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5308597A | Production of heavy metal carbides of high specific surface area | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7019184B2 | Non-oxidative conversion of gas to liquids | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6552243B2 | Catalyst and process for aromatic hydrocarbons production from methane | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6083471A | Method and catalyst for catalytically oxidizing a low concentration of H.sub.2 S in a gas to give sulphur | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5139987A | Process for activating the surface of carbides of heavy metals with a large specific surface for catalytic reactions | Performing Operations; Transporting | 13 | Expired |
| US5391524A | Production of heavy metal carbides of high specific surface area | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6372193B1 | Process for oxidizing the H2S contained at low concentration in a gas directly to sulphur by catalytic means and in the vapour pause | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5468370A | Preparation of a catalyst from metal oxides by reduction and partial carburization by reaction gases | Chemistry; Metallurgy | 10 | Expired |
| US5576466A | Process for the isomerisation of straight hydrocarbons containing at least 7 carbon atoms using catalysts with a base of molybdenum oxycarbide | Chemistry; Metallurgy | 10 | Expired |
| US9125734B2 | Artificial retina that includes a photovoltaic material layer including a titanium dioxide semiconductor | Emerging Cross-Sectional Technologies | 8 | Active |
| US6660681B1 | Vanadium phosphorus oxide catalyst having a thermally conductive support | Chemistry; Metallurgy | 6 | Expired |
| US8628726B2 | Photocatalysts based on structured three-dimensional carbide, in particular β-SiC, foams | Chemistry; Metallurgy | 5 | Active |
| US7179764B2 | Zeolite/SiC composites and their use in catalysis | Performing Operations; Transporting | 4 | Expired |
| US7799726B2 | Composites based on carbon nanotubes or nanofibers deposited on an activated support for use in catalysis | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9073837B2 | Dehydration of methanol to dimethyl ether using catalysts based on a zeolite supported on silicon carbide | Chemistry; Metallurgy | 1 | Active |
| US7479265B2 | Catalytic filter based on silicon carbide (β-SiC) for combustion of soot derived from exhaust gases from an internal combustion engine | Chemistry; Metallurgy | 1 | Active |
| US7101494B2 | Method for obtaining synthesis gas by partial catalytic oxidation | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7435702B2 | Photocatalyst and process for purifying gas effluent by photocatalytic oxidation | Performing Operations; Transporting | 0 | Expired |
| US7393877B2 | Process for the conversion of a synthesis gas to hydrocarbons in the presence of beta-SiC and effluent from this process | Chemistry; Metallurgy | 0 | Active |
| US9309122B2 | Preparation of graphene by mechanically thinning graphite materials | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.