Inventor · Maule, FR

Jean Cosyns

68Patents
22h-index
67Co-inventors
91Inventor score

Filing activity: Aug 7, 1974 → Nov 12, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US4125566A Process for upgrading effluents from syntheses of the Fischer-Tropsch type Emerging Cross-Sectional Technologies 64 Expired
US4347392A Process for the selective hydrogenation of a hydrocarbon fraction with 2 or 3 carbon atoms per molecule Chemistry; Metallurgy 53 Expired
US4911825A Process for elimination of mercury and possibly arsenic in hydrocarbons Chemistry; Metallurgy 52 Expired
US4409410A Process for selectively hydrogenating a di-olefin in a mixture of hydrocarbons having at least 4 carbon atoms and comprising an .alpha.-olefin Chemistry; Metallurgy 44 Expired
US5601701A Process for the elimination of mercury from hydrocarbons by passage over a presulphurated catalyst Performing Operations; Transporting 42 Expired
US4571442A Process for selectively hydrogenating acetylene in a mixture of acetylene and ethylene Emerging Cross-Sectional Technologies 42 Expired
US6207115A Process and plant for the conversion of olefinic C4 cuts to polyisobutene and to propylene Chemistry; Metallurgy 41 Expired
US6072091A Process for selective hydrogenation of a hydrocarbon cut containing at least three carbon atoms Emerging Cross-Sectional Technologies 38 Expired
US4490481A Supported palladium-gold catalyst, and its manufacture Performing Operations; Transporting 37 Expired
US5898091A Process and plant for the conversion of olefinic C.sub.4 and C.sub.5 cuts to an ether and to propylene Emerging Cross-Sectional Technologies 35 Expired
US3992468A Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons Chemistry; Metallurgy 30 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
US5059732A Process for selective catalytic hydrogenation in liquid phase of a normally gaseous feed containing ethylene, acetylene and gasoline Chemistry; Metallurgy 27 Expired
US6334948B1 Process for producing gasoline with a low sulphur content Chemistry; Metallurgy 27 Expired
US3966833A Process for hydrodealkylating alkylaromatic hydrocarbons Emerging Cross-Sectional Technologies 26 Expired
US6075173A Process for production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms Emerging Cross-Sectional Technologies 25 Expired
US4397739A Process for desulfurizing a catalytic cracking or steam cracking effluent Chemistry; Metallurgy 24 Expired
US4463206A Process for producing benzene by hydrodealkylation of a hydrocarbon fraction comprising alkyl-aromatic hydrocarbons, olefinic hydrocarbons and sulfur compounds Emerging Cross-Sectional Technologies 23 Expired
US4208271A Process for the selective hydrogenation of gasolines comprising both gum-generating compounds and undesirable sulfur compounds Chemistry; Metallurgy 23 Expired
US4133841A Process for upgrading effluents from syntheses of the Fischer-Tropsch type Emerging Cross-Sectional Technologies 23 Expired
US5877365A Process and plant for the conversion of olefinic C.sub.4 cuts to polyisobutene and to propylene Chemistry; Metallurgy 22 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
US8470165B2 Process for the production of high-quality kerosene and diesel fuels for the coproduction of hydrogen from saturated light cuts Chemistry; Metallurgy 21 Active
US4547600A Process for selectively hydrogenating acetylenic hydrocarbons of a C.sub.4 hydrocarbon cut containing butadiene Chemistry; Metallurgy 18 Expired
US5817227A Process for the selective reduction to the content of benzene and light unsaturated compounds in a hydrocarbon cut Performing Operations; Transporting 18 Expired

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