Jean-Francois Joly
73Patents
12h-index
81Co-inventors
87Inventor score
Filing activity: Nov 13, 1989 → Mar 15, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5456822A | Catalyst of the galloaluminosilicate type containing gallium, a nobel metal of the platinum family and at least on additional metal, and its use in the aromatization of hydrocarbons | Chemistry; Metallurgy | 61 | Expired |
| US5288935A | Method of producing liquid hydrocarbons from natural gas, in the presence of a catalyst based on zeolite and gallium | Chemistry; Metallurgy | 54 | Expired |
| US5055535A | Procedure for gas-phase polymerication of ethylene allowing the fabrication of linear polyethylene with a narrow molecular-weight distribution | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5849978A | Liquid catalyst for aliphatic alkylation | Chemistry; Metallurgy | 30 | Expired |
| US6057486A | Catalyst containing a zeolite EUO and the use of the catalyst in a process for isomerizing aromatic compounds containing 8 carbon atoms per molecule | Chemistry; Metallurgy | 21 | Expired |
| US5523506A | Catalyst with an omega zeolite base, containing at least one group IIA, IVB, IIB or IVA metal, and use thereof in the isomerization of an aromatic C8 cut | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6376734B1 | Process for the production of at least one isomer of xylenes that comprise an adsorption stage and an isomerization stage with an euo-structural-type catalyst | Chemistry; Metallurgy | 16 | Expired |
| US5171556A | Beta type zeolite and its preparation process | Performing Operations; Transporting | 15 | Expired |
| US6448459B1 | Process for the production of paraxylene that comprises an adsorption stage, a liquid phase isomerization stage and a gas phase isomerization stage with an euo-type zeolite | Chemistry; Metallurgy | 15 | Expired |
| US6313363A | Process for isomerizing aromatic compounds containing eight carbon atoms | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5336833A | Catalyst based on silica and sulphuric acid and its use for the alkylation of paraffins | Chemistry; Metallurgy | 12 | Expired |
| US5239482A | Method of and an apparatus for measuring the adsorption and the desorption of a gas adsorbed by a solid sample and the use thereof | Physics | 12 | Expired |
| US5420093A | Catalyst based on silica and sulfuric acid and its use for the alkylation of paraffins | Chemistry; Metallurgy | 12 | Expired |
| US5731256A | Alkylation catalyst for C.sub.4 -C.sub.5 isoparaffins using at least one C.sub.2 -C.sub.6 olefin | Chemistry; Metallurgy | 9 | Expired |
| US5712213A | Rejuvenation process for a solid alkylation catalyst | Chemistry; Metallurgy | 9 | Expired |
| US5350722A | MTW-type zeolite and its preparation process | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6528695B1 | Process for the production of an isomer of xylenes in three stages: separation, isomerization in the presence of a catalyst based on an EUO zeolite and transalkylation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6512154B1 | Production of a xylene isomer in three stages: separation, isomerization with a catalyst with an EUO zeolite base and transalkylation with recycling of C10-aromatic compounds | Chemistry; Metallurgy | 8 | Expired |
| US5281566A | Catalyst of the galloaluminosilicate type containing gallium, a noble metal of the platinum family and at least one additional metal, and its use in aromatizing hydrocarbons | Chemistry; Metallurgy | 7 | Expired |
| US5489729A | Catalyst for alkylation of C.sub.4 -C.sub.5 isoparaffin by at least one C.sub.3 -C.sub.6 olefin | Chemistry; Metallurgy | 7 | Expired |
| US5444175A | Process for the alkylation of paraffins | Chemistry; Metallurgy | 7 | Expired |
| US6198014A | Process for isomerizing aromatic compounds containing eight carbon atoms comprising a recycle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5475184A | Paraffin alkylation catalyst | Chemistry; Metallurgy | 6 | Expired |
| US5391528A | Catalyst with an omega zeolite base, containing at least one group IIa, IVb, IIb or IVa metal, and use thereof in the isomerization of an aromatic C.sub.8 cut | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5821397A | Process for the hydrogenation of diolefins in aromatic-rich hydrocarbons using metallic catalysts impregnated with organic sulphur-containing compounds | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.