Assignee

AXENS

FR59 patents

Top patents by PatentIndex Score

US8816147B2Aug 26, 2014

Process for separating 1-hexene from a mixture of products obtained from an ethylene trimerization zone

AXENS8 citations81

US9732286B2Aug 15, 2017

Process for hydrogenation of a hydrocarbon feedstock comprising aromatic compounds

AXENS7 citations80

US11459514B2Oct 4, 2022

Hydrocracking process and device with reduction of polynuclear aromatic compounds

AXENS10 citations79

US10533142B2Jan 14, 2020

Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units

AXENS7 citations78

US10370307B2Aug 6, 2019

Process for the oligomerization of olefins employing a cleaning device

AXENS7 citations76

US7125538B2Oct 24, 2006

Alumina and methods for preparing the same

AXENS7 citations73

US7022161B2Apr 4, 2006

Process using alumina agglomerates to eliminate organic oxygen-containing molecules present in an organic effluent

AXENS8 citations73

US10174264B2Jan 8, 2019

Gasoline production process comprising an isomerization step followed by at least two separation steps

AXENS4 citations70

US9833759B2Dec 5, 2017

Fluid distribution device

AXENS3 citations68

US11015129B2May 25, 2021

Naphtha hydrotreating process

AXENS2 citations62

US7252768B2Aug 7, 2007

Method for eliminating metal halides that are present in a liquid or gaseous, organic or non-organic effluent

AXENS3 citations62

US7090825B2Aug 15, 2006

Alumina agglomerates and preparation method thereof

AXENS4 citations62

US11110431B2Sep 7, 2021

Alumina having acidity and structure with a porosity which are optimal

AXENS0 citations61

US7374737B2May 20, 2008

Use of a tiO2 composition as catalyst for hydrolyzing COS and/or HCN

AXENS4 citations60

US11465112B2Oct 11, 2022

Device for dispensing a fluid, which device can be arranged in a reactor comprising a fixed catalytic bed

AXENS0 citations59

US10464041B2Nov 5, 2019

Structured packing element having a spiral helix shape

AXENS5 citations59

US10954176B2Mar 23, 2021

Process for producing para-xylene using a step in a simulated moving bed and a step of fractionation via a three-fraction column

AXENS1 citations57

US10647931B2May 12, 2020

Process for the oligomerization of light olefins by means of a reaction section comprising at least two reactors which can be permutated, promoting the selectivity for distillates

AXENS1 citations57

US10563140B2Feb 18, 2020

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

AXENS1 citations57

US10465127B2Nov 5, 2019

Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units

AXENS1 citations57

US10669493B2Jun 2, 2020

Process and device for the inverted separation of aromatics

AXENS1 citations56

US11033876B2Jun 15, 2021

Structured packing element formed by a flat plate provided with slots and recesses

AXENS0 citations55

US10377955B2Aug 13, 2019

Device for cooling heat transfer solid for precisely controlling the temperature, said device optionally being associated with an endothermic or exothermic process

AXENS1 citations53

US9464966B2Oct 11, 2016

Device for sampling solids from a sealed enclosure and method using same

AXENS2 citations52

US11242302B2Feb 8, 2022

Method for producing paraxylene using a simulated moving-bed step, and a step of fractionating two fractions in a two-section column

AXENS0 citations51

US11198091B2Dec 14, 2021

Process for dehydrating a hydrocarbon-based gas

AXENS1 citations51

US11154830B2Oct 26, 2021

Device for limiting entrainment of solid particles at the outlet from a three-phase fluidized bed

AXENS0 citations50

US9745232B2Aug 29, 2017

Process for the isomerization of C5/C6 hydrocarbon cuts with chlorinated compound recycling

AXENS1 citations49

US11241667B2Feb 8, 2022

Method for preparing solids from a mixture of at least one malachite powder and an oxide powder and the use of said solids

AXENS0 citations48

US10744489B2Aug 18, 2020

Method for preparing solids from a mixture of at least two malachite powders

AXENS0 citations48

US10702840B2Jul 7, 2020

Fixed bed or moving bed reactors with a radial flow of process stream to be treated, comprising improved internals

AXENS0 citations48

US10071356B2Sep 11, 2018

Moving bed catalytic reactor for managing interruptions to the circulation of catalyst, and process using said reactor

AXENS0 citations48

US11898108B2Feb 13, 2024

Hydrocracking process

AXENS0 citations45

US9908061B2Mar 6, 2018

Method for recovering low-temperature heat and application of the method to an aromatics complex

AXENS1 citations45

US11592088B2Feb 28, 2023

Removable fixing device

AXENS0 citations42

US11208602B2Dec 28, 2021

Process for converting a feedstock containing pyrolysis oil

AXENS0 citations42

US9297792B2Mar 29, 2016

Analysis device and associated method for operating simulated moving bed xylenes separation units a Raman spectrometer

AXENS0 citations42

US11624032B2Apr 11, 2023

Process for extracting gasoline from a gas containing condensable hydrocarbons

AXENS0 citations40

US9714390B2Jul 25, 2017

Process for purifying a hydrocarbon feed

AXENS1 citations40

US9295985B2Mar 29, 2016

Continuous catalyst regeneration reactor with a chamber for mixing gas and distributing gas in the oxychlorination zone

AXENS0 citations40

US9314786B2Apr 19, 2016

Reactor for continuous catalyst regeneration with a perforated box for mixing and distributing gases in the oxychlorination zone

AXENS0 citations39

US10611970B2Apr 7, 2020

Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units

AXENS0 citations36

US11028330B2Jun 8, 2021

Hydrotreatment or hydroconversion process with a stripper and a low pressure separator drum in the fractionation section

AXENS0 citations35

US9011676B2Apr 21, 2015

Process for elimination of mercury contained in a hydrocarbon feed with hydrogen recycling

AXENS0 citations35

US11549061B2Jan 10, 2023

Process for hydroprocessing of biological feedstocks

AXENS0 citations31

US12038243B2Jul 16, 2024

Plate for a plate heat exchanger

AXENS0 citations30

Showing the top 50 of 59 patents by PatentIndex Score.

AXENS

Top patents by PatentIndex Score

Process for separating 1-hexene from a mixture of products obtained from an ethylene trimerization zone

Process for hydrogenation of a hydrocarbon feedstock comprising aromatic compounds

Hydrocracking process and device with reduction of polynuclear aromatic compounds

Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units

Process for the oligomerization of olefins employing a cleaning device

Alumina and methods for preparing the same

Process using alumina agglomerates to eliminate organic oxygen-containing molecules present in an organic effluent

Process for the production of white oils from waste oils

Process for the intense conversion of residues, maximizing the gas oil yield

Process for the intense conversion of residues, maximizing the gasoline yield

Naphtha isomerization process comprising two thermally integrated steps

Gasoline production process comprising an isomerization step followed by at least two separation steps

Fluid distribution device

Naphtha hydrotreating process

Method for eliminating metal halides that are present in a liquid or gaseous, organic or non-organic effluent

Alumina agglomerates and preparation method thereof

Alumina having acidity and structure with a porosity which are optimal

Use of a tiO2 composition as catalyst for hydrolyzing COS and/or HCN

Device for dispensing a fluid, which device can be arranged in a reactor comprising a fixed catalytic bed

Structured packing element having a spiral helix shape

Process for producing para-xylene using a step in a simulated moving bed and a step of fractionation via a three-fraction column

Process for the oligomerization of light olefins by means of a reaction section comprising at least two reactors which can be permutated, promoting the selectivity for distillates

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

Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units

Process and device for the inverted separation of aromatics

Structured packing element formed by a flat plate provided with slots and recesses

Device for cooling heat transfer solid for precisely controlling the temperature, said device optionally being associated with an endothermic or exothermic process

Device for sampling solids from a sealed enclosure and method using same

Method for producing paraxylene using a simulated moving-bed step, and a step of fractionating two fractions in a two-section column

Process for dehydrating a hydrocarbon-based gas

Device for limiting entrainment of solid particles at the outlet from a three-phase fluidized bed

Process for the isomerization of C5/C6 hydrocarbon cuts with chlorinated compound recycling

Method for preparing solids from a mixture of at least one malachite powder and an oxide powder and the use of said solids

Method for preparing solids from a mixture of at least two malachite powders

Fixed bed or moving bed reactors with a radial flow of process stream to be treated, comprising improved internals

Moving bed catalytic reactor for managing interruptions to the circulation of catalyst, and process using said reactor

Hydrocracking process

Method for recovering low-temperature heat and application of the method to an aromatics complex

Removable fixing device

Process for converting a feedstock containing pyrolysis oil

Analysis device and associated method for operating simulated moving bed xylenes separation units a Raman spectrometer

Process for extracting gasoline from a gas containing condensable hydrocarbons

Process for purifying a hydrocarbon feed

Continuous catalyst regeneration reactor with a chamber for mixing gas and distributing gas in the oxychlorination zone

Reactor for continuous catalyst regeneration with a perforated box for mixing and distributing gases in the oxychlorination zone

Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units

Hydrotreatment or hydroconversion process with a stripper and a low pressure separator drum in the fractionation section

Process for elimination of mercury contained in a hydrocarbon feed with hydrogen recycling

Process for hydroprocessing of biological feedstocks

Plate for a plate heat exchanger