WO2022074350A3 - Composition pulverulente pigmentee facilement recyclable pour le revetement de substrats - Google Patents

Composition pulverulente pigmentee facilement recyclable pour le revetement de substrats Download PDF

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Publication number
WO2022074350A3
WO2022074350A3 PCT/FR2021/051760 FR2021051760W WO2022074350A3 WO 2022074350 A3 WO2022074350 A3 WO 2022074350A3 FR 2021051760 W FR2021051760 W FR 2021051760W WO 2022074350 A3 WO2022074350 A3 WO 2022074350A3
Authority
WO
WIPO (PCT)
Prior art keywords
pigmented
polyamide
weight
pulverulent composition
coating substrates
Prior art date
Application number
PCT/FR2021/051760
Other languages
English (en)
Other versions
WO2022074350A2 (fr
Inventor
Jean-Yves Loze
Pierrick ROGER-DALBERT
Original Assignee
Arkema France
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
Application filed by Arkema France filed Critical Arkema France
Priority to CN202180075558.4A priority Critical patent/CN116438238A/zh
Priority to JP2023521643A priority patent/JP2023545086A/ja
Priority to KR1020237015657A priority patent/KR20230084549A/ko
Priority to EP21807166.0A priority patent/EP4225846A2/fr
Priority to US18/248,263 priority patent/US20240263019A1/en
Publication of WO2022074350A2 publication Critical patent/WO2022074350A2/fr
Publication of WO2022074350A3 publication Critical patent/WO2022074350A3/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/031—Powdery paints characterised by particle size or shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B05D1/06—Applying particulate materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/201—Pre-melted polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/203—Solid polymers with solid and/or liquid additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/247—Heating methods
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D177/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C09D5/035—Coloring agents, e.g. pigments
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/80—Processes for incorporating ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/10—Arrangements for collecting, re-using or eliminating excess spraying material the excess material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1454—Arrangements for supplying particulate material comprising means for supplying collected oversprayed particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2289—Oxides; Hydroxides of metals of cobalt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyamides (AREA)

Abstract

L'invention vise principalement une composition pulvérulente pigmentée à base de polyamide pour le revêtement de substrats, comprenant : (a) 40 à 99% en poids d'au moins un polyamide; (b) 1 à 30% en poids d'au moins un pigment; et (c) 0 à 30% en poids d'au moins un additif, dans laquelle le polyamide présente une viscosité inhérente, telle que mesurée à l'aide d'un tube Ubbelohde à 20°C sur une solution à 0.5% en poids dans le m-crésol selon la norme ISO 307 sauf que la température de mesure est de 20°C au lieu de 25°C, supérieure à 0,7 (g/100g)-1, et dans laquelle la composition a un diamètre médian en volume Dv50, tel que mesuré selon la norme ISO 9276 - parties 1 à 6, de 10 à 200 μm, de préférence 30 à 50 μm. Elle concerne par ailleurs un procédé pour sa fabrication, son utilisation pour le revêtement d'un substrat, métallique et un objet comprenant un substrat métallique revêtu par un revêtement obtenu avec la composition pulvérulente pigmentée à base de polyamide.
PCT/FR2021/051760 2020-10-09 2021-10-08 Composition pulverulente pigmentee facilement recyclable pour le revetement de substrats WO2022074350A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202180075558.4A CN116438238A (zh) 2020-10-09 2021-10-08 用于涂覆基材的易再循环的着色粉状组合物
JP2023521643A JP2023545086A (ja) 2020-10-09 2021-10-08 基材をコーティングするための、容易にリサイクル可能な着色粉末組成物
KR1020237015657A KR20230084549A (ko) 2020-10-09 2021-10-08 용이하게 재순환 가능한 기판 코팅용 착색 분말 조성물
EP21807166.0A EP4225846A2 (fr) 2020-10-09 2021-10-08 Composition pulverulente pigmentee facilement recyclable pour le revetement de substrats
US18/248,263 US20240263019A1 (en) 2020-10-09 2021-10-08 Easily recyclable pigmented pulverulent composition for coating substrates

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FRFR2010336 2020-10-09
FR2010336A FR3115043B1 (fr) 2020-10-09 2020-10-09 Composition pulverulente pigmentee facilement recyclable pour le revetement de substrats

Publications (2)

Publication Number Publication Date
WO2022074350A2 WO2022074350A2 (fr) 2022-04-14
WO2022074350A3 true WO2022074350A3 (fr) 2022-07-21

Family

ID=73699072

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2021/051760 WO2022074350A2 (fr) 2020-10-09 2021-10-08 Composition pulverulente pigmentee facilement recyclable pour le revetement de substrats

Country Status (7)

Country Link
US (1) US20240263019A1 (fr)
EP (1) EP4225846A2 (fr)
JP (1) JP2023545086A (fr)
KR (1) KR20230084549A (fr)
CN (1) CN116438238A (fr)
FR (1) FR3115043B1 (fr)
WO (1) WO2022074350A2 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR862658A (fr) * 1938-09-29 1941-03-12 Du Pont Procédé permettant l'application d'un enduit de grande résistance et très adhérent sur des objets en métal ou en céramique
FR2327283A1 (fr) * 1975-10-09 1977-05-06 Huels Chemische Werke Ag Procede de preparation d'agents de revetement pulverulents a base de poudre de polylaurolactame pour le revetement de metaux a haute temperature
US4334056A (en) * 1979-02-21 1982-06-08 Chemische Werke Huls Ag Method for polytropically precipitating polyamide powder coating compositions where the polyamides have at least 10 aliphatically bound carbon atoms per carbonamide group
WO1995033796A1 (fr) * 1994-06-03 1995-12-14 Elf Atochem S.A. Compositions pour le revetement de substrats d'aspect mat
WO2011092444A1 (fr) * 2010-02-01 2011-08-04 Arkema France Poudre a base de polyamide et procede de revetement d'objet par fusion de ladite poudre
WO2020084252A1 (fr) * 2018-10-24 2020-04-30 Arkema France Poudres de copolyamide a basse temperature de fusion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1570392A1 (de) 1965-10-12 1970-01-29 Huels Chemische Werke Ag Verfahren zur Herstellung von Polyamidpulvern erhoehter Viskositaet
DE19708946A1 (de) 1997-03-05 1998-09-10 Huels Chemische Werke Ag Herstellung von Polyamid-Fällpulvern mit enger Korngrößenverteilung und niedriger Porosität
WO2012034507A1 (fr) 2010-09-13 2012-03-22 Akzo Nobel Powder Coatings (Ningbo) Co. Ltd. Composition de revêtement en poudre extrêmement durable

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR862658A (fr) * 1938-09-29 1941-03-12 Du Pont Procédé permettant l'application d'un enduit de grande résistance et très adhérent sur des objets en métal ou en céramique
FR2327283A1 (fr) * 1975-10-09 1977-05-06 Huels Chemische Werke Ag Procede de preparation d'agents de revetement pulverulents a base de poudre de polylaurolactame pour le revetement de metaux a haute temperature
US4334056A (en) * 1979-02-21 1982-06-08 Chemische Werke Huls Ag Method for polytropically precipitating polyamide powder coating compositions where the polyamides have at least 10 aliphatically bound carbon atoms per carbonamide group
WO1995033796A1 (fr) * 1994-06-03 1995-12-14 Elf Atochem S.A. Compositions pour le revetement de substrats d'aspect mat
WO2011092444A1 (fr) * 2010-02-01 2011-08-04 Arkema France Poudre a base de polyamide et procede de revetement d'objet par fusion de ladite poudre
WO2020084252A1 (fr) * 2018-10-24 2020-04-30 Arkema France Poudres de copolyamide a basse temperature de fusion

Also Published As

Publication number Publication date
CN116438238A (zh) 2023-07-14
EP4225846A2 (fr) 2023-08-16
FR3115043A1 (fr) 2022-04-15
JP2023545086A (ja) 2023-10-26
FR3115043B1 (fr) 2024-01-05
WO2022074350A2 (fr) 2022-04-14
KR20230084549A (ko) 2023-06-13
US20240263019A1 (en) 2024-08-08

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