Inventor · Rueil-Malmaison, FR

Jean-Francois Le Page

60Patents
16h-index
56Co-inventors
87Inventor score

Filing activity: Mar 26, 1974 → Dec 6, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4125566A Process for upgrading effluents from syntheses of the Fischer-Tropsch type Emerging Cross-Sectional Technologies 64 Expired
US4180453A Process for the steam-cracking of heavy feedstocks Chemistry; Metallurgy 60 Expired
US4132745A Process for isomerizing 1-butene to 2-butene Chemistry; Metallurgy 50 Expired
US4285804A Process for hydrotreating heavy hydrocarbons in liquid phase in the presence of a dispersed catalyst Chemistry; Metallurgy 50 Expired
US4395329A Catalyst and process for hydrorefining hydrocarbon charges with high contents of metals, resins and/or asphaltenes Chemistry; Metallurgy 42 Expired
US4346179A Production of alcohols from synthesis gases Emerging Cross-Sectional Technologies 35 Expired
US3992468A Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons Chemistry; Metallurgy 30 Expired
US5013426A A Catalytic reforming method with flow of a heat-carrying fluid through a plurality of hollow internal spaces Performing Operations; Transporting 28 Expired
US4197185A Process for the conversion of olefinic C.sub.4 cuts from steam cracking to high octane gasoline and butane Chemistry; Metallurgy 28 Expired
US3966833A Process for hydrodealkylating alkylaromatic hydrocarbons Emerging Cross-Sectional Technologies 26 Expired
US5615702A Tank for storing pressurized hydrocarbons Emerging Cross-Sectional Technologies 26 Expired
US4133841A Process for upgrading effluents from syntheses of the Fischer-Tropsch type Emerging Cross-Sectional Technologies 23 Expired
US4191632A Process for the production of benzene from hydrocarbon fractions rich in alkyl-aromatic hydrocarbons and containing paraffinic and naphthenic hydrocarbons Emerging Cross-Sectional Technologies 22 Expired
US3975302A Supported catalyst for oxidizing methanol to formaldehyde and its manufacturing process Performing Operations; Transporting 20 Expired
US5830400A Method of manufacturing a hollow structure for storing pressurized fluids Mechanical Engineering; Lighting; Heating 18 Expired
US4207169A Process for the steam dealkylation of aromatic hydrocarbons Emerging Cross-Sectional Technologies 17 Expired
US4334982A Process for the selective desulfurization of olefinic cuts Chemistry; Metallurgy 16 Expired
US4244806A Process for converting C.sub.4 olefinic cracking cuts to alkylate and gasoline Chemistry; Metallurgy 14 Expired
US4140621A Maintaining or increasing the isobutane content of a cut subjected to selective hydrogenolysis Chemistry; Metallurgy 14 Expired
US3954601A New process for hydrogenating aromatic hydrocarbons on sulfur resistant catalysts Performing Operations; Transporting 12 Expired
US4324646A Process for converting C.sub.4 olefinic cracking cuts to alkylate and gasoline Chemistry; Metallurgy 12 Expired
US3980721A Catalyst particularly useful for dehydrogenating saturated hydrocarbons Chemistry; Metallurgy 12 Expired
US4715946A Process for deasphalting a hydrocarbon charge containing asphaltenes Chemistry; Metallurgy 12 Expired
US4391701A Process for upgrading heavy oils Emerging Cross-Sectional Technologies 12 Expired
US4544544A Plate reactors for chemical syntheses under high pressure in gaseous phase and with heterogeneous catalysis Emerging Cross-Sectional Technologies 11 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.