Patent assignee · FR · COMPANY

AXENS

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73Patents
67Active
73Granted
53Portfolio score

Filing activity: Mar 27, 2002 → Jun 16, 2022

Most-cited patents

PatentTitleAreaCited byStatus
US8673135B2 Coal liquefaction complex with minimal carbon dioxide emissions Emerging Cross-Sectional Technologies 22 Active
US11459514B2 Hydrocracking process and device with reduction of polynuclear aromatic compounds Chemistry; Metallurgy 8 Active
US10533142B2 Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units Chemistry; Metallurgy 7 Active
US7125538B2 Alumina and methods for preparing the same Chemistry; Metallurgy 5 Expired
US7022161B2 Process using alumina agglomerates to eliminate organic oxygen-containing molecules present in an organic effluent Emerging Cross-Sectional Technologies 5 Expired
US10464041B2 Structured packing element having a spiral helix shape Performing Operations; Transporting 5 Active
US8816147B2 Process for separating 1-hexene from a mixture of products obtained from an ethylene trimerization zone Chemistry; Metallurgy 4 Active
US10370307B2 Process for the oligomerization of olefins employing a cleaning device Mechanical Engineering; Lighting; Heating 4 Active
US10487274B2 Integrated coal liquefaction, petroleum or biomass facility with decreased carbon dioxide production and higher carbon and thermal efficiencies Emerging Cross-Sectional Technologies 3 Active
US9745527B2 Process for the intense conversion of residues, maximizing the gasoline yield Chemistry; Metallurgy 2 Active
US7090825B2 Alumina agglomerates and preparation method thereof Chemistry; Metallurgy 2 Expired
US7252768B2 Method for eliminating metal halides that are present in a liquid or gaseous, organic or non-organic effluent Emerging Cross-Sectional Technologies 2 Expired
US9422492B2 Process for the conversion of a feed containing biomass for the production of hydrocarbons, by Fischer-Tropsch synthesis Emerging Cross-Sectional Technologies 2 Active
US10113121B2 Gasoline production process comprising an isomerization step followed by at least two separation steps Chemistry; Metallurgy 2 Active
US9833759B2 Fluid distribution device Emerging Cross-Sectional Technologies 2 Active
US10501695B2 Process for the intense conversion of residues, maximizing the gas oil yield Chemistry; Metallurgy 2 Active
US7374737B2 Use of a tiO2 composition as catalyst for hydrolyzing COS and/or HCN Performing Operations; Transporting 2 Expired
US10131849B2 Naphtha isomerization process comprising two thermally integrated steps Chemistry; Metallurgy 2 Active
US9732286B2 Process for hydrogenation of a hydrocarbon feedstock comprising aromatic compounds Chemistry; Metallurgy 1 Active
US10377955B2 Device for cooling heat transfer solid for precisely controlling the temperature, said device optionally being associated with an endothermic or exothermic process Chemistry; Metallurgy 1 Active
US10465127B2 Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units Chemistry; Metallurgy 1 Active
US9908061B2 Method for recovering low-temperature heat and application of the method to an aromatics complex Emerging Cross-Sectional Technologies 1 Active
US10118824B2 Process for purifying synthesis gas by washing with aqueous solutions of amines Chemistry; Metallurgy 1 Active
US10954176B2 Process for producing para-xylene using a step in a simulated moving bed and a step of fractionation via a three-fraction column Emerging Cross-Sectional Technologies 1 Active
US10563140B2 Installation and process for jointly implementing compression of the acid gases from the hydroconversion or hydrotreatment unit and that of the gaseous effluents from the catalytic cracking unit Chemistry; Metallurgy 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.