[go: up one dir, main page]

FR3130828B1 - Procédé de captation de mercaptans mettant en œuvre une masse de captation macro et mésoporeuse - Google Patents

Procédé de captation de mercaptans mettant en œuvre une masse de captation macro et mésoporeuse Download PDF

Info

Publication number
FR3130828B1
FR3130828B1 FR2113811A FR2113811A FR3130828B1 FR 3130828 B1 FR3130828 B1 FR 3130828B1 FR 2113811 A FR2113811 A FR 2113811A FR 2113811 A FR2113811 A FR 2113811A FR 3130828 B1 FR3130828 B1 FR 3130828B1
Authority
FR
France
Prior art keywords
capture mass
volume
mesoporous
capturing
mercaptans
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR2113811A
Other languages
English (en)
Other versions
FR3130828A1 (fr
Inventor
Antoine Fecant
Antoine Hugon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR2113811A priority Critical patent/FR3130828B1/fr
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to EP22835661.4A priority patent/EP4448690A1/fr
Priority to JP2024535625A priority patent/JP2025500212A/ja
Priority to AU2022410203A priority patent/AU2022410203A1/en
Priority to US18/720,507 priority patent/US20250041822A1/en
Priority to PCT/EP2022/085352 priority patent/WO2023110730A1/fr
Priority to KR1020247019660A priority patent/KR20240121753A/ko
Priority to CN202280083711.2A priority patent/CN118414410A/zh
Priority to MX2024006995A priority patent/MX2024006995A/es
Priority to ARP220103451A priority patent/AR127981A1/es
Publication of FR3130828A1 publication Critical patent/FR3130828A1/fr
Application granted granted Critical
Publication of FR3130828B1 publication Critical patent/FR3130828B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0225Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057Surface area, e.g. B.E.T specific surface area
    • B01J20/28061Surface area, e.g. B.E.T specific surface area being in the range 100-500 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28069Pore volume, e.g. total pore volume, mesopore volume, micropore volume
    • B01J20/28071Pore volume, e.g. total pore volume, mesopore volume, micropore volume being less than 0.5 ml/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28069Pore volume, e.g. total pore volume, mesopore volume, micropore volume
    • B01J20/28073Pore volume, e.g. total pore volume, mesopore volume, micropore volume being in the range 0.5-1.0 ml/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3078Thermal treatment, e.g. calcining or pyrolizing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204Inorganic carriers, supports or substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3234Inorganic material layers
    • B01J20/3236Inorganic material layers containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74Iron group metals
    • B01J23/755Nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/615100-500 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63Pore volume
    • B01J35/633Pore volume less than 0.5 ml/g
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G25/00Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/003Specific sorbent material, not covered by C10G25/02 or C10G25/03
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G25/00Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/02Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material
    • C10G25/03Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material with crystalline alumino-silicates, e.g. molecular sieves
    • C10G25/05Removal of non-hydrocarbon compounds, e.g. sulfur compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20Characteristics of the feedstock or the products
    • C10G2300/201Impurities
    • C10G2300/202Heteroatoms content, i.e. S, N, O, P
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2400/00Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/02Gasoline

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)

Abstract

Procédé de captation de mercaptans contenus dans une charge hydrocarbonée contenant du soufre, en présence d’une masse de captation comprenant une phase active à base d’au moins un métal du groupe VIII, IB ou IIB, et un support mésoporeux et macroporeux, ladite masse de captation comprenant une surface spécifique comprise entre 120 m2/g et 350 m2/g, et :- le volume des mésopores de diamètre supérieur ou égal à 2 nm et inférieur à 50 nm correspond entre 40% et 70% en volume du volume poreux total de ladite masse de captation ;- le volume des macropores de diamètre supérieur ou égal à 50 nm correspond entre 30% et 60% en volume du volume poreux total de ladite masse de captation.
FR2113811A 2021-12-17 2021-12-17 Procédé de captation de mercaptans mettant en œuvre une masse de captation macro et mésoporeuse Active FR3130828B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR2113811A FR3130828B1 (fr) 2021-12-17 2021-12-17 Procédé de captation de mercaptans mettant en œuvre une masse de captation macro et mésoporeuse
MX2024006995A MX2024006995A (es) 2021-12-17 2022-12-12 Proceso de captura de mercaptanos usando una masa de captura macro y mesoporosa.
AU2022410203A AU2022410203A1 (en) 2021-12-17 2022-12-12 Method for capturing mercaptans using a macro and mesoporous capture mass
US18/720,507 US20250041822A1 (en) 2021-12-17 2022-12-12 Method for capturing mercaptans using a macro and mesoporous capture mass
PCT/EP2022/085352 WO2023110730A1 (fr) 2021-12-17 2022-12-12 Procede de captation de mercaptans mettant en œuvre une masse de captation macro et mesoporeuse
KR1020247019660A KR20240121753A (ko) 2021-12-17 2022-12-12 매크로포어형 및 메조포어형 포획 매스를 사용하여 메르캅탄들을 포획하기 위한 프로세스
EP22835661.4A EP4448690A1 (fr) 2021-12-17 2022-12-12 Procede de captation de mercaptans mettant en ouvre une masse de captation macro et mesoporeuse
JP2024535625A JP2025500212A (ja) 2021-12-17 2022-12-12 マクロ細孔捕捉塊体およびメソ細孔捕捉塊体を用いたメルカプタンの捕捉方法
CN202280083711.2A CN118414410A (zh) 2021-12-17 2022-12-12 使用大孔和中孔捕获物质捕获硫醇的方法
ARP220103451A AR127981A1 (es) 2021-12-17 2022-12-15 Procedimiento de captación de mercaptanos que se aplica una masa de captación macro y mesoporosa

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2113811A FR3130828B1 (fr) 2021-12-17 2021-12-17 Procédé de captation de mercaptans mettant en œuvre une masse de captation macro et mésoporeuse
FR2113811 2021-12-17

Publications (2)

Publication Number Publication Date
FR3130828A1 FR3130828A1 (fr) 2023-06-23
FR3130828B1 true FR3130828B1 (fr) 2024-08-16

Family

ID=80786235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2113811A Active FR3130828B1 (fr) 2021-12-17 2021-12-17 Procédé de captation de mercaptans mettant en œuvre une masse de captation macro et mésoporeuse

Country Status (10)

Country Link
US (1) US20250041822A1 (fr)
EP (1) EP4448690A1 (fr)
JP (1) JP2025500212A (fr)
KR (1) KR20240121753A (fr)
CN (1) CN118414410A (fr)
AR (1) AR127981A1 (fr)
AU (1) AU2022410203A1 (fr)
FR (1) FR3130828B1 (fr)
MX (1) MX2024006995A (fr)
WO (1) WO2023110730A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5866749A (en) 1993-05-28 1999-02-02 Exxon Chemical Patents Inc. Sulfur and thiol removal from reactive hydrocarbons
FR2797639B1 (fr) 1999-08-19 2001-09-21 Inst Francais Du Petrole Procede de production d'essences a faible teneur en soufre
AU2001253223A1 (en) 2000-04-18 2001-10-30 Exxonmobil Research And Engineering Company Selective hydroprocessing and mercaptan removal
FR2811328B1 (fr) 2000-07-06 2002-08-23 Inst Francais Du Petrole Procede comprenant deux etapes d'hydrodesulfuration d'essence et une elimination intermediaire de l'h2s forme au cours de la premiere etape
US6579444B2 (en) 2000-12-28 2003-06-17 Exxonmobil Research And Engineering Company Removal of sulfur compounds from hydrocarbon feedstreams using cobalt containing adsorbents in the substantial absence of hydrogen
US7074324B2 (en) 2002-06-05 2006-07-11 Exxonmobil Research And Engineering Company Process to remove sulfur contaminants from hydrocarbon streams
FR2908781B1 (fr) 2006-11-16 2012-10-19 Inst Francais Du Petrole Procede de desulfuration profonde des essences de craquage avec une faible perte en indice d'octane
CN109420506B (zh) * 2017-08-31 2021-07-30 中国石油天然气股份有限公司 一种汽油脱硫醇的催化剂及制备方法
CN109266387B (zh) * 2018-10-14 2020-12-11 林雅娟 Fcc汽油选择性加氢处理方法
FR3104459B1 (fr) * 2019-12-17 2022-07-01 Ifp Energies Now Masse de captation de mercaptans préparée par voie sels fondus

Also Published As

Publication number Publication date
KR20240121753A (ko) 2024-08-09
FR3130828A1 (fr) 2023-06-23
EP4448690A1 (fr) 2024-10-23
CN118414410A (zh) 2024-07-30
AU2022410203A1 (en) 2024-05-23
WO2023110730A1 (fr) 2023-06-22
MX2024006995A (es) 2024-06-19
AR127981A1 (es) 2024-03-13
JP2025500212A (ja) 2025-01-09
US20250041822A1 (en) 2025-02-06

Similar Documents

Publication Publication Date Title
Chauvet et al. Litter decomposition as an indicator of stream ecosystem functioning at local-to-continental scales: Insights from the European RivFunction project
FR3000097B1 (fr) Procede integre de traitement de charges petrolieres pour la production de fiouls a basse teneur en soufre
FR3068984B1 (fr) Procede d'hydrogenation des aromatiques mettant en œuvre un catalyseur obtenu par impregnation comprenant un support specifique.
DE602006016939D1 (de) Dornfortsatz-stabilisationsvorrichtungen
FR3014198B1 (fr) Procede d'isolement d'exosomes
FR3022161B1 (fr) Catalyseur a phase active de nickel comalaxee mesoporeux et macroporeux ayant un diametre median macroporeux superieur a 300 nm et son utilisation en hydrogenation
FR3130828B1 (fr) Procédé de captation de mercaptans mettant en œuvre une masse de captation macro et mésoporeuse
EA201691706A1 (ru) Способ превращения высококипящего углеводородного исходного сырья в более легкокипящие углеводородные продукты
EA201590106A1 (ru) Способ гидрогалогенирования ненасыщенного углеводорода
FR3022162B1 (fr) Catalyseur a base de nickel mesoporeux et macroporeux ayant un diametre median macroporeux compris entre 50 nm et 200 nm et son utilisation en hydrogenation
FR3022163B1 (fr) Catalyseur a base de nickel mesoporeux et macroporeux ayant un diametre median macroporeux superieur a 200 nm et son utilisation en hydrogenation
FR3130830B1 (fr) Procédé de captation de mercaptans mettant en œuvre une masse de captation mésoporeuse
RU2016145371A (ru) Способ извлечения метана из потока газа, содержащего метан и этилен
EP1800750A3 (fr) Procédé d'hydrogénation sélective mettant en oeuvre un catalyseur présentant une porosité controlée
FR3116833B1 (fr) Procede de captation d’impuretes organometalliques en presence d’une masse de captation sur support meso-macroporeux
FR3116829B1 (fr) Procede d’hydrodesulfuration en presence d’un catalyseur sur support meso-macroporeux
BR112016028805A2 (pt) processo de hidrotratamento de cortes destilados, utilizando um catalizador à base de uma alumina mesoporosa amorfa, tendo uma conectividade elevada
FR3116832B1 (fr) Procede d’hydrodesulfuration de finition en presence d’un catalyseur sur support meso-macroporeux
FR2888583A1 (fr) Nouveau procede de desulfuration d'essences olefiniques permettant de limiter la teneur en mercaptans
FR3055558B1 (fr) Materiau solide nanocomposite a base d'hexa- ou octacyanometallates de metaux alcalins, son procede de preparation, et procede d'extraction de cations metalliques.
WO2021048432A3 (fr) Améliorations relatives à la séparation de gaz
FR3115794B1 (fr) Procede d’hydrogenation selective mettant en œuvre un catalyseur de forme mousse
RU2017111569A (ru) Способ обработки бензина
WO2009111720A3 (fr) Catalyseur et procédé d'hydrodésulfurisation sélective d'une charge d'hydrocarbure contenant des oléfines
MY158459A (en) Process for the removal of sulfur compounds from hydrocarbon feedstocks

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20230623

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4