Pierre DUFRESNE

Person

Aouste sur Sye, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for compositional sorting of catalyst or adsorbent in mixtur...
- Patent number 10,828,632
- Issue date Nov 10, 2020
- Eurecat S.A.
- Thierry Gauthier
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Process for producing hydrogen sulfide in a circulating catalytic b...
- Patent number 10,737,939
- Issue date Aug 11, 2020
- Eurecat S.A.
- Pierre Dufresne
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for limiting the emission of dust from catalyst grains
- Patent number 10,369,560
- Issue date Aug 6, 2019
- Eurecat S.A.
- Pauline Galliou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for sorting contaminated catalysts or adsorbents
- Patent number 10,279,377
- Issue date May 7, 2019
- Eurecat S.A.
- Thierry Gauthier
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for limiting the emissions of gases from porous particles
- Patent number 10,207,251
- Issue date Feb 19, 2019
- Eurecat S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for limiting self heating of activated catalysts
- Patent number 10,195,601
- Issue date Feb 5, 2019
- Eurecat S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for completely emptying a catalytic reactor
- Patent number 10,065,164
- Issue date Sep 4, 2018
- Eurecat S.A.
- Jean Darcissac
- B08 - CLEANING
Information Patent Grant
Method for completely emptying a catalytic reactor
- Patent number 10,065,165
- Issue date Sep 4, 2018
- Eurecat S.A.
- Jean Darcissac
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the start-up of hydrotreatment or hydroconversion units
- Patent number 9,982,202
- Issue date May 29, 2018
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for passivation by a nitrogen-containing compound of a zeol...
- Patent number 9,943,835
- Issue date Apr 17, 2018
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for preparing supported metal catalysts for hydrogenating un...
- Patent number 9,533,288
- Issue date Jan 3, 2017
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the start-up of hydrotreatment or hydroconversion units
- Patent number 9,434,893
- Issue date Sep 6, 2016
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the off site regeneration of solid catalysts
- Patent number 8,772,191
- Issue date Jul 8, 2014
- Eurecat S.A.
- Philippe Kerleau
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for sulfurizing hydrocarbon treatment catalysts
- Patent number 8,598,059
- Issue date Dec 3, 2013
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the regeneration of catalysts for the treatment of hydr...
- Patent number 8,377,839
- Issue date Feb 19, 2013
- Eurecat S.A.
- Pauline Galliou
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Colour sorting of catalyst or adsorbent particles
- Patent number 8,307,985
- Issue date Nov 13, 2012
- IFP Energies Nouvelles
- Pierre Dufresne
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Process for sulfurizing hydrocarbon treatment catalysts
- Patent number 8,283,278
- Issue date Oct 9, 2012
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the regeneration of catalysts for the treatment of hydr...
- Patent number 8,278,234
- Issue date Oct 2, 2012
- Eurecat S.A.
- Pauline Galliou
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for sulfurization or presulfurization of solid particles of...
- Patent number 8,088,705
- Issue date Jan 3, 2012
- IFP Energies Nouvelles
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Off-site treatment for hydrogenation catalysts
- Patent number 7,713,905
- Issue date May 11, 2010
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Passivation of sulphur hydroconversion catalyst
- Patent number 7,582,587
- Issue date Sep 1, 2009
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oxidizing heat treatment passivation of sulphide hydrotreatment cat...
- Patent number 7,501,376
- Issue date Mar 10, 2009
- Eurecat S.A.
- Pierre Dufresne
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for sulfiding an additive-containing catalyst
- Patent number 6,753,291
- Issue date Jun 22, 2004
- Akzo Nobel N.V.
- Sonja Eijsbouts
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Precarbonisation of a hydrotreatment catalyst
- Patent number 6,559,092
- Issue date May 6, 2003
- Europeenne de Retraitement de Catalyseurs Eurecat
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ex-situ presulfuration in the presence of hydrocarbon molecule
- Patent number 6,417,134
- Issue date Jul 9, 2002
- Europeenne de Retraitement de Catalyseurs Eurecat
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for treating a catalyst or an adsorbent in a fluidized bed
- Patent number 6,403,515
- Issue date Jun 11, 2002
- Institut Francais du Petrole
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for incorporating sulfur into the pores of a hydrocarbon tr...
- Patent number 6,100,216
- Issue date Aug 8, 2000
- Europeenne de Retraitement de Catalyseurs Eurecat
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for off-site preconditioning of a hydrocarbon processing ca...
- Patent number 6,077,803
- Issue date Jun 20, 2000
- Europeene de Retraitment de Catalyseurs
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Off-site pretreatment of a hydrocarbon treatment catalyst
- Patent number 6,059,956
- Issue date May 9, 2000
- Europeene de Retraitment de Catalyseurs Eurecat
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst presulphuration process using two different presulphuratio...
- Patent number 5,985,787
- Issue date Nov 16, 1999
- Europenne De Retraitement De Catalyseurs Eurecat
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Process for Limiting Self-Heating of Activated Catalysts
- Publication number 20190105649
- Publication date Apr 11, 2019
- EURECAT S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING HYDROGEN SULFIDE IN A CIRCULATING CATALYTIC B...
- Publication number 20180312402
- Publication date Nov 1, 2018
- EURECAT S.A.
- Pierre DUFRESNE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR COMPOSITIONAL SORTING OF CATALYST OR ADSORBENT IN MIXTUR...
- Publication number 20180161767
- Publication date Jun 14, 2018
- EURECAT S.A.
- Thierry GAUTHIER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR SORTING CONTAMINATED CATALYSTS OR ADSORBENTS
- Publication number 20180154397
- Publication date Jun 7, 2018
- EURECAT S.A.
- Thierry GAUTHIER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR LIMITING THE EMISSIONS OF GASES FROM POROUS PARTICLES
- Publication number 20170182476
- Publication date Jun 29, 2017
- EURECAT S.A.
- Pierre DUFRESNE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR LIMITING THE EMISSION OF DUST FROM CATALYST GRAINS
- Publication number 20170157603
- Publication date Jun 8, 2017
- EURECAT S.A.
- Pauline GALLIOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for Completely Emptying a Catalytic Reactor
- Publication number 20160375418
- Publication date Dec 29, 2016
- EURECAT S.A.
- Jean Darcissac
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for Completely Emptying a Catalytic Reactor
- Publication number 20160375417
- Publication date Dec 29, 2016
- EURECAT S.A.
- Jean Darcissac
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE START-UP OF HYDROTREATMENT OR HYDROCONVERSION UNITS
- Publication number 20160152901
- Publication date Jun 2, 2016
- EURECAT S.A.
- Pierre DUFRESNE
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Process for Limiting Self Heating of Activated Catalysts
- Publication number 20160001279
- Publication date Jan 7, 2016
- EURECAT S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE START-UP OF HYDROTREATMENT OR HYDROCONVERSION UNITS
- Publication number 20140251870
- Publication date Sep 11, 2014
- Pierre DUFRESNE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method For Preparing Supported Metal Catalysts For Hydrogenating Un...
- Publication number 20140155664
- Publication date Jun 5, 2014
- EURECAT S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for passivation by a nitrogen-containing compound of a zeol...
- Publication number 20140042057
- Publication date Feb 13, 2014
- EURECAT S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE OFF SITE REGENERATION OF SOLID CATALYSTS
- Publication number 20120231947
- Publication date Sep 13, 2012
- EURECAT S.A.
- Philippe Kerleau
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR SULFURIZING HYDROCARBON TREATMENT CATALYSTS
- Publication number 20110098175
- Publication date Apr 28, 2011
- Eurecat S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR SULFURIZING HYDROCARBON TREATMENT CATALYSTS
- Publication number 20110092360
- Publication date Apr 21, 2011
- EURECAT S.A.
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE REGENERATION OF CATALYSTS FOR THE TREATMENT OF HYDR...
- Publication number 20100105540
- Publication date Apr 29, 2010
- EURECAT S.A.
- Pauline Galliou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE REGENERATION OF CATALYSTS FOR THE TREATMENT OF HYDR...
- Publication number 20100105541
- Publication date Apr 29, 2010
- EURECAT S.A.
- Pauline Galliou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COLOUR SORTING OF CATALYST OR ADSORBENT PARTICLES
- Publication number 20090000992
- Publication date Jan 1, 2009
- Pierre Dufresne
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
Process for sulfurization or presulfurization of solid particles of...
- Publication number 20080312076
- Publication date Dec 18, 2008
- Pierre DUFRESNE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Off-site treatment for hydrogenation catalysts
- Publication number 20070032372
- Publication date Feb 8, 2007
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Oxidizing heat treatment passivation of sulphide hydrotreatment cat...
- Publication number 20060154813
- Publication date Jul 13, 2006
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Passivation of sulphur hydroconversion catalyst
- Publication number 20060154812
- Publication date Jul 13, 2006
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Off-site regeneration of reforming catalysts
- Publication number 20050148456
- Publication date Jul 7, 2005
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Ex-situ presulfuration in the presence of a hydrocarbon molecule
- Publication number 20020037806
- Publication date Mar 28, 2002
- Pierre Dufresne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for sulfiding an additive-containing catalyst
- Publication number 20020013223
- Publication date Jan 31, 2002
- Sonja Eijsbouts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Pierre DUFRESNE

Person

Patents Grantslast 30 patents

Method for compositional sorting of catalyst or adsorbent in mixtur...

Process for producing hydrogen sulfide in a circulating catalytic b...

Method for limiting the emission of dust from catalyst grains

Method for sorting contaminated catalysts or adsorbents

Process for limiting the emissions of gases from porous particles

Process for limiting self heating of activated catalysts

Method for completely emptying a catalytic reactor

Method for completely emptying a catalytic reactor

Process for the start-up of hydrotreatment or hydroconversion units

Process for passivation by a nitrogen-containing compound of a zeol...

Method for preparing supported metal catalysts for hydrogenating un...

Process for the start-up of hydrotreatment or hydroconversion units

Process for the off site regeneration of solid catalysts

Process for sulfurizing hydrocarbon treatment catalysts

Process for the regeneration of catalysts for the treatment of hydr...

Colour sorting of catalyst or adsorbent particles

Process for sulfurizing hydrocarbon treatment catalysts

Process for the regeneration of catalysts for the treatment of hydr...

Process for sulfurization or presulfurization of solid particles of...

Off-site treatment for hydrogenation catalysts

Passivation of sulphur hydroconversion catalyst

Oxidizing heat treatment passivation of sulphide hydrotreatment cat...

Process for sulfiding an additive-containing catalyst

Precarbonisation of a hydrotreatment catalyst

Ex-situ presulfuration in the presence of hydrocarbon molecule

Process for treating a catalyst or an adsorbent in a fluidized bed

Process for incorporating sulfur into the pores of a hydrocarbon tr...

Process for off-site preconditioning of a hydrocarbon processing ca...

Off-site pretreatment of a hydrocarbon treatment catalyst

Catalyst presulphuration process using two different presulphuratio...

Patents Applicationslast 30 patents

Process for Limiting Self-Heating of Activated Catalysts

PROCESS FOR PRODUCING HYDROGEN SULFIDE IN A CIRCULATING CATALYTIC B...

METHOD FOR COMPOSITIONAL SORTING OF CATALYST OR ADSORBENT IN MIXTUR...

METHOD FOR SORTING CONTAMINATED CATALYSTS OR ADSORBENTS

PROCESS FOR LIMITING THE EMISSIONS OF GASES FROM POROUS PARTICLES

METHOD FOR LIMITING THE EMISSION OF DUST FROM CATALYST GRAINS

Method for Completely Emptying a Catalytic Reactor

Method for Completely Emptying a Catalytic Reactor

PROCESS FOR THE START-UP OF HYDROTREATMENT OR HYDROCONVERSION UNITS

Process for Limiting Self Heating of Activated Catalysts

PROCESS FOR THE START-UP OF HYDROTREATMENT OR HYDROCONVERSION UNITS

Method For Preparing Supported Metal Catalysts For Hydrogenating Un...

Process for passivation by a nitrogen-containing compound of a zeol...

PROCESS FOR THE OFF SITE REGENERATION OF SOLID CATALYSTS

PROCESS FOR SULFURIZING HYDROCARBON TREATMENT CATALYSTS

PROCESS FOR SULFURIZING HYDROCARBON TREATMENT CATALYSTS

PROCESS FOR THE REGENERATION OF CATALYSTS FOR THE TREATMENT OF HYDR...

PROCESS FOR THE REGENERATION OF CATALYSTS FOR THE TREATMENT OF HYDR...

COLOUR SORTING OF CATALYST OR ADSORBENT PARTICLES

Process for sulfurization or presulfurization of solid particles of...

Off-site treatment for hydrogenation catalysts

Oxidizing heat treatment passivation of sulphide hydrotreatment cat...

Passivation of sulphur hydroconversion catalyst

Off-site regeneration of reforming catalysts

Ex-situ presulfuration in the presence of a hydrocarbon molecule

Process for sulfiding an additive-containing catalyst