EP4251576A1 - Verfahren zur behandlung von glasabfall - Google Patents
Verfahren zur behandlung von glasabfallInfo
- Publication number
- EP4251576A1 EP4251576A1 EP21830458.2A EP21830458A EP4251576A1 EP 4251576 A1 EP4251576 A1 EP 4251576A1 EP 21830458 A EP21830458 A EP 21830458A EP 4251576 A1 EP4251576 A1 EP 4251576A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mineral
- materials
- mixture
- mineral material
- molten material
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000010922 glass waste Substances 0.000 title description 6
- 239000000463 material Substances 0.000 claims abstract description 101
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 63
- 239000011707 mineral Substances 0.000 claims abstract description 63
- 239000000203 mixture Substances 0.000 claims abstract description 50
- 239000012768 molten material Substances 0.000 claims abstract description 34
- 239000007800 oxidant agent Substances 0.000 claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 24
- 230000001590 oxidative effect Effects 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 19
- 230000008018 melting Effects 0.000 claims abstract description 19
- 238000004064 recycling Methods 0.000 claims abstract description 18
- 239000005416 organic matter Substances 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 17
- 239000011490 mineral wool Substances 0.000 claims description 16
- 239000006063 cullet Substances 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 11
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 9
- 238000010309 melting process Methods 0.000 claims description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 5
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 235000011132 calcium sulphate Nutrition 0.000 claims description 3
- 239000005340 laminated glass Substances 0.000 claims description 3
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 239000001175 calcium sulphate Substances 0.000 claims description 2
- 150000002823 nitrates Chemical class 0.000 claims description 2
- 239000004317 sodium nitrate Substances 0.000 claims description 2
- 235000010344 sodium nitrate Nutrition 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims 1
- PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 21
- 229910052760 oxygen Inorganic materials 0.000 description 21
- 239000001301 oxygen Substances 0.000 description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 19
- 229910052742 iron Inorganic materials 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000012681 fiber drawing Methods 0.000 description 7
- 241000005139 Lycium andersonii Species 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 238000005119 centrifugation Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000004566 IR spectroscopy Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- GEYXPJBPASPPLI-UHFFFAOYSA-N manganese(iii) oxide Chemical compound O=[Mn]O[Mn]=O GEYXPJBPASPPLI-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910017356 Fe2C Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000019402 calcium peroxide Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
- C03B5/2356—Submerged heating, e.g. by using heat pipes, hot gas or submerged combustion burners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
- B09B3/29—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix involving a melting or softening step
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/005—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture of glass-forming waste materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/18—Stirring devices; Homogenisation
- C03B5/187—Stirring devices; Homogenisation with moving elements
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/18—Stirring devices; Homogenisation
- C03B5/193—Stirring devices; Homogenisation using gas, e.g. bubblers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
- C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2211/00—Heating processes for glass melting in glass melting furnaces
- C03B2211/20—Submerged gas heating
- C03B2211/22—Submerged gas heating by direct combustion in the melt
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2211/00—Heating processes for glass melting in glass melting furnaces
- C03B2211/20—Submerged gas heating
- C03B2211/22—Submerged gas heating by direct combustion in the melt
- C03B2211/23—Submerged gas heating by direct combustion in the melt using oxygen, i.e. pure oxygen or oxygen-enriched air
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Glass Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Chemical Treatment Of Metals (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2012400A FR3116815B1 (fr) | 2020-11-30 | 2020-11-30 | Procede de traitement de dechets verriers |
| PCT/FR2021/052108 WO2022112723A1 (fr) | 2020-11-30 | 2021-11-26 | Procede de traitement de dechets verriers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4251576A1 true EP4251576A1 (de) | 2023-10-04 |
Family
ID=74860063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21830458.2A Pending EP4251576A1 (de) | 2020-11-30 | 2021-11-26 | Verfahren zur behandlung von glasabfall |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20240092671A1 (de) |
| EP (1) | EP4251576A1 (de) |
| JP (1) | JP2023551034A (de) |
| KR (1) | KR20230109147A (de) |
| CN (1) | CN116529213A (de) |
| AU (1) | AU2021386501A1 (de) |
| CA (1) | CA3197814A1 (de) |
| CL (1) | CL2023001536A1 (de) |
| CO (1) | CO2023006981A2 (de) |
| FR (1) | FR3116815B1 (de) |
| MX (1) | MX2023006308A (de) |
| WO (1) | WO2022112723A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1382917A (fr) | 1963-02-27 | 1964-12-24 | Saint Gobain | Perfectionnements à la fabrication de fibres, notamment de fibres de verre |
| FR2657077B1 (fr) | 1990-01-16 | 1993-07-02 | Saint Gobain Isover | Procede et dispositif de fibrage de laine minerale par centrifugation libre. |
| FR2663922B1 (fr) | 1990-07-02 | 1993-06-11 | Saint Gobain Isover | Procede de formation de fibres. |
| BR9904797A (pt) | 1998-01-09 | 2000-05-16 | Saint Gobain Vitrage | Processo e dispositivo de fusão e de refino de materiais vitrificáveis |
| US8991215B2 (en) * | 2010-06-17 | 2015-03-31 | Johns Manville | Methods and systems for controlling bubble size and bubble decay rate in foamed glass produced by a submerged combustion melter |
| US8973405B2 (en) * | 2010-06-17 | 2015-03-10 | Johns Manville | Apparatus, systems and methods for reducing foaming downstream of a submerged combustion melter producing molten glass |
| US8650914B2 (en) * | 2010-09-23 | 2014-02-18 | Johns Manville | Methods and apparatus for recycling glass products using submerged combustion |
| JP5557340B2 (ja) | 2011-03-28 | 2014-07-23 | パナソニック株式会社 | 無線通信装置 |
| FR2986605B1 (fr) | 2012-02-08 | 2018-11-16 | Saint-Gobain Isover | Bruleur immerge a injecteurs multiples |
| FR2991759B1 (fr) | 2012-06-12 | 2014-06-20 | Saint Gobain Isover | Installation de fusion de verre |
| GB201313656D0 (en) * | 2013-07-31 | 2013-09-11 | Knauf Insulation Doo Skofja Loka | Melting of vitrifiable material |
-
2020
- 2020-11-30 FR FR2012400A patent/FR3116815B1/fr active Active
-
2021
- 2021-11-26 MX MX2023006308A patent/MX2023006308A/es unknown
- 2021-11-26 AU AU2021386501A patent/AU2021386501A1/en active Pending
- 2021-11-26 US US18/038,843 patent/US20240092671A1/en active Pending
- 2021-11-26 CA CA3197814A patent/CA3197814A1/fr active Pending
- 2021-11-26 CN CN202180080367.7A patent/CN116529213A/zh active Pending
- 2021-11-26 KR KR1020237017781A patent/KR20230109147A/ko unknown
- 2021-11-26 EP EP21830458.2A patent/EP4251576A1/de active Pending
- 2021-11-26 JP JP2023532567A patent/JP2023551034A/ja active Pending
- 2021-11-26 WO PCT/FR2021/052108 patent/WO2022112723A1/fr active Application Filing
-
2023
- 2023-05-29 CL CL2023001536A patent/CL2023001536A1/es unknown
- 2023-05-29 CO CONC2023/0006981A patent/CO2023006981A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CO2023006981A2 (es) | 2023-06-20 |
| MX2023006308A (es) | 2023-06-14 |
| KR20230109147A (ko) | 2023-07-19 |
| WO2022112723A1 (fr) | 2022-06-02 |
| FR3116815B1 (fr) | 2023-04-28 |
| JP2023551034A (ja) | 2023-12-06 |
| CA3197814A1 (fr) | 2022-06-02 |
| AU2021386501A1 (en) | 2023-07-06 |
| US20240092671A1 (en) | 2024-03-21 |
| CL2023001536A1 (es) | 2024-01-05 |
| CN116529213A (zh) | 2023-08-01 |
| FR3116815A1 (fr) | 2022-06-03 |
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| 17P | Request for examination filed |
Effective date: 20230630 |
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| AK | Designated contracting states |
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