FR3100566B1 - Procede de traitement de polluants par catalyseur trois voies au demarrage d’un moteur a combustion - Google Patents

Procede de traitement de polluants par catalyseur trois voies au demarrage d’un moteur a combustion Download PDF

Info

Publication number
FR3100566B1
FR3100566B1 FR1910020A FR1910020A FR3100566B1 FR 3100566 B1 FR3100566 B1 FR 3100566B1 FR 1910020 A FR1910020 A FR 1910020A FR 1910020 A FR1910020 A FR 1910020A FR 3100566 B1 FR3100566 B1 FR 3100566B1
Authority
FR
France
Prior art keywords
treatment
combustion engine
pollutants
starting
way catalyst
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
FR1910020A
Other languages
English (en)
Other versions
FR3100566A1 (fr
Inventor
Cathy Batisson
Bruno Peressini
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.)
Renault SAS
Nissan Motor Co Ltd
Original Assignee
Renault SAS
Nissan Motor Co Ltd
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 FR1910020A priority Critical patent/FR3100566B1/fr
Application filed by Renault SAS, Nissan Motor Co Ltd filed Critical Renault SAS
Priority to KR1020227008141A priority patent/KR20220054811A/ko
Priority to PCT/EP2020/075008 priority patent/WO2021048084A1/fr
Priority to CN202080057375.5A priority patent/CN114651115A/zh
Priority to EP20765300.7A priority patent/EP4028652A1/fr
Priority to JP2022513442A priority patent/JP2022547431A/ja
Priority to US17/635,477 priority patent/US11781456B2/en
Publication of FR3100566A1 publication Critical patent/FR3100566A1/fr
Application granted granted Critical
Publication of FR3100566B1 publication Critical patent/FR3100566B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/101—Three-way catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/103—Oxidation catalysts for HC and CO only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402—Exhaust gas composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1626—Catalyst activation temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Ce procédé comprenant un traitement des polluants émis par un véhicule à moteur thermique dans lequel on chauffe des moyens de catalyse (3), caractérisé en ce que l’on régule la quantité d’oxygène (OS) dans les moyens de catalyse (3) au-dessus d’une quantité minimale d’oxygène (OS1) en injectant de l’air en amont des moyens de catalyse (3). Figure pour l’abrégé : 3
FR1910020A 2019-09-11 2019-09-11 Procede de traitement de polluants par catalyseur trois voies au demarrage d’un moteur a combustion Active FR3100566B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR1910020A FR3100566B1 (fr) 2019-09-11 2019-09-11 Procede de traitement de polluants par catalyseur trois voies au demarrage d’un moteur a combustion
PCT/EP2020/075008 WO2021048084A1 (fr) 2019-09-11 2020-09-08 Procede de traitement de polluants par catalyseur trois voies au demarrage d'un moteur a combustion
CN202080057375.5A CN114651115A (zh) 2019-09-11 2020-09-08 启动内燃机时使用三元催化器处理污染物的方法
EP20765300.7A EP4028652A1 (fr) 2019-09-11 2020-09-08 Procede de traitement de polluants par catalyseur trois voies au demarrage d'un moteur a combustion
KR1020227008141A KR20220054811A (ko) 2019-09-11 2020-09-08 연소 엔진 시동 시 삼원 촉매를 사용하여 오염물질을 처리하는 방법
JP2022513442A JP2022547431A (ja) 2019-09-11 2020-09-08 燃焼エンジンを始動するときに三元触媒を使用して汚染物質を処理するための方法
US17/635,477 US11781456B2 (en) 2019-09-11 2020-09-08 Method for treating pollutants using a three-way catalyst when starting up a combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1910020 2019-09-11
FR1910020A FR3100566B1 (fr) 2019-09-11 2019-09-11 Procede de traitement de polluants par catalyseur trois voies au demarrage d’un moteur a combustion

Publications (2)

Publication Number Publication Date
FR3100566A1 FR3100566A1 (fr) 2021-03-12
FR3100566B1 true FR3100566B1 (fr) 2022-07-22

Family

ID=68211114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1910020A Active FR3100566B1 (fr) 2019-09-11 2019-09-11 Procede de traitement de polluants par catalyseur trois voies au demarrage d’un moteur a combustion

Country Status (7)

Country Link
US (1) US11781456B2 (fr)
EP (1) EP4028652A1 (fr)
JP (1) JP2022547431A (fr)
KR (1) KR20220054811A (fr)
CN (1) CN114651115A (fr)
FR (1) FR3100566B1 (fr)
WO (1) WO2021048084A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3122215B1 (fr) * 2021-04-26 2024-02-16 Psa Automobiles Sa Procede d’injection d’air dans un catalyseur des gaz d’echappement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410872A (en) * 1993-10-04 1995-05-02 Ford Motor Company Automotive engine having catalytic exhaust aftertreatment device and secondary air injection control system for minimum catalyst light-off time
FR2778206B1 (fr) 1998-04-29 2000-12-15 Renault Dispositif de pot catalytique
US8056320B2 (en) * 2008-05-30 2011-11-15 GM Global Technology Operations LLC Cold-start control systems for internal combustion engines
US8752366B2 (en) * 2010-05-21 2014-06-17 Toyota Motor Engineering & Manufacturing North America, Inc. Systems and methods for abating carbon monoxide in an exhaust stream
DE102011002438A1 (de) * 2011-01-04 2012-07-05 Robert Bosch Gmbh Bestimmung der Beladung eines Partikelfilters
US8112218B2 (en) * 2011-03-10 2012-02-07 Ford Global Technologies, Llc Method for controlling an engine
US8733084B2 (en) * 2011-11-22 2014-05-27 GM Global Technology Operations LLC Bypass HC-NOx adsorber strategy
FR3052490B1 (fr) * 2016-06-14 2020-04-10 Peugeot Citroen Automobiles Sa Dispositif et procede de traitement des gaz d’echappement d’un moteur thermique
DE102017107678A1 (de) * 2017-04-10 2018-10-11 Volkswagen Aktiengesellschaft Verfahren zur Inbetriebnahme eines Verbrennungsmotors und Kraftfahrzeug mit einem Verbrennungsmotor
DE102017113366A1 (de) * 2017-06-19 2018-12-20 Volkswagen Aktiengesellschaft Abgasnachbehandlungssystem sowie Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors
JP7151696B2 (ja) * 2019-12-25 2022-10-12 トヨタ自動車株式会社 触媒劣化検出装置

Also Published As

Publication number Publication date
JP2022547431A (ja) 2022-11-14
KR20220054811A (ko) 2022-05-03
US11781456B2 (en) 2023-10-10
US20220397047A1 (en) 2022-12-15
WO2021048084A1 (fr) 2021-03-18
FR3100566A1 (fr) 2021-03-12
EP4028652A1 (fr) 2022-07-20
CN114651115A (zh) 2022-06-21

Similar Documents

Publication Publication Date Title
US9194311B2 (en) Engine control method and system
CN102400834B (zh) 激光点火系统的效率增强
BR102014011863A8 (pt) método de operação de um motor de combustão interna, sistema e controlador
CN1619127A (zh) 内燃机的燃料喷射控制器
MX2018001761A (es) Motor de combustion interna y metodo para controlar motor de combustion interna.
SE9903525D0 (sv) Förfarande vid en förbränningsmotor
BR112018014463A2 (pt) controle de fluxo de ar em um motor de pistões opostos, de ciclo de dois cursos, com expulsão de gases em fluxo único durante operação transiente
EA201592050A3 (ru) Система и способ оптимальной подачи топлива в двигатель
ATE547595T1 (de) Abgasreinigungssystem für einen verbrennungsmotor
BR0300220B1 (pt) válvula de regulagem, particularmente para uma máquina de combustão interna para a recondução controlada de gás de escapamento.
BRPI0515981A (pt) veìculo tracionado a motor com controle de emissão de exaustão
DE502005002930D1 (de) Dosierventilanordnung sowie verfahren zum betreiben einer dosierventilanordnung
FR3100566B1 (fr) Procede de traitement de polluants par catalyseur trois voies au demarrage d’un moteur a combustion
ATE540206T1 (de) Motorbrennstoffzufuhrsystem
FR3074524B1 (fr) Systeme et procede de commande d'un moteur a combustion interne muni d'un systeme de post traitement des gaz d'echappement de type a catalyse selective
BRPI1010835B8 (pt) sistema de purificação de exaustão de motor de combustão interna
BR112013025822A2 (pt) dispositivo de purificação de gás de exaustão, e método de purificação de gás de exaustão utilizando mesmo
BRPI0419087A (pt) sistema e método para redução de óxidos de nitrÈgenio a partir de gases de exaustão gerados por um motor de combustão interna de queima empobrecida
ATE364146T1 (de) Motorgetriebenes fahrzeug mit abgasreinigung
FR2980528B1 (fr) Procede de controle de la combustion d'un moteur a combustion interne a injection directe d'essence, notamment a allumage commande
BRPI0821885A2 (pt) Processo e dispositivo para determinação da composição de uma mistura de combustível
MY182863A (en) Emission control system and emission control method for internal combustion engine
RU2626044C1 (ru) Двигатель внутреннего сгорания
BR112016007792A2 (pt) Aparelho de controle e método de controle para motor de combustão interna
FR3051227B1 (fr) Procede de commande d'un moteur a allumage commande

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20210312

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

CA Change of address

Effective date: 20221005

PLFP Fee payment

Year of fee payment: 5