KR20180123579A - 멀티스테이지 가스 흡착 분리 공정 및 시스템 - Google Patents
멀티스테이지 가스 흡착 분리 공정 및 시스템 Download PDFInfo
- Publication number
- KR20180123579A KR20180123579A KR1020187031623A KR20187031623A KR20180123579A KR 20180123579 A KR20180123579 A KR 20180123579A KR 1020187031623 A KR1020187031623 A KR 1020187031623A KR 20187031623 A KR20187031623 A KR 20187031623A KR 20180123579 A KR20180123579 A KR 20180123579A
- Authority
- KR
- South Korea
- Prior art keywords
- stage gas
- separator
- stream
- stage
- contactor
- 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.)
- Ceased
Links
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 308
- 238000000926 separation method Methods 0.000 title claims abstract description 117
- 230000008929 regeneration Effects 0.000 claims abstract description 191
- 238000011069 regeneration method Methods 0.000 claims abstract description 191
- 239000003463 adsorbent Substances 0.000 claims abstract description 113
- 239000012530 fluid Substances 0.000 claims abstract description 106
- 239000000463 material Substances 0.000 claims abstract description 100
- 239000000203 mixture Substances 0.000 claims abstract description 93
- 239000007789 gas Substances 0.000 claims description 424
- 238000000034 method Methods 0.000 claims description 121
- 230000000274 adsorptive effect Effects 0.000 claims description 95
- 230000003750 conditioning effect Effects 0.000 claims description 41
- 239000000567 combustion gas Substances 0.000 claims description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 30
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 9
- 239000000356 contaminant Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000011236 particulate material Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 66
- 239000003570 air Substances 0.000 description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000002826 coolant Substances 0.000 description 7
- 238000003795 desorption Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910021536 Zeolite Inorganic materials 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 239000010457 zeolite Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910052790 beryllium Inorganic materials 0.000 description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- -1 e.g. Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 229910001701 hydrotalcite Inorganic materials 0.000 description 2
- 229960001545 hydrotalcite Drugs 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000002594 sorbent Substances 0.000 description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- YTAHJIFKAKIKAV-XNMGPUDCSA-N [(1R)-3-morpholin-4-yl-1-phenylpropyl] N-[(3S)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]carbamate Chemical compound O=C1[C@H](N=C(C2=C(N1)C=CC=C2)C1=CC=CC=C1)NC(O[C@H](CCN1CCOCC1)C1=CC=CC=C1)=O YTAHJIFKAKIKAV-XNMGPUDCSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229910001603 clinoptilolite Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012013 faujasite Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012621 metal-organic framework Substances 0.000 description 1
- 229920003146 methacrylic ester copolymer Polymers 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0462—Temperature swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40056—Gases other than recycled product or process gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/40062—Four
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40077—Direction of flow
- B01D2259/40079—Co-current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40077—Direction of flow
- B01D2259/40081—Counter-current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40086—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by using a purge gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/406—Further details for adsorption processes and devices using more than four beds
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Gases By Adsorption (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662316433P | 2016-03-31 | 2016-03-31 | |
| US62/316,433 | 2016-03-31 | ||
| PCT/CA2017/050394 WO2017165975A1 (en) | 2016-03-31 | 2017-03-31 | Multi-stage adsorptive gas separation process and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20180123579A true KR20180123579A (ko) | 2018-11-16 |
Family
ID=59963216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020187031623A Ceased KR20180123579A (ko) | 2016-03-31 | 2017-03-31 | 멀티스테이지 가스 흡착 분리 공정 및 시스템 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20190126190A1 (cg-RX-API-DMAC10.html) |
| EP (1) | EP3426379A4 (cg-RX-API-DMAC10.html) |
| JP (1) | JP2019510627A (cg-RX-API-DMAC10.html) |
| KR (1) | KR20180123579A (cg-RX-API-DMAC10.html) |
| CN (1) | CN109310942A (cg-RX-API-DMAC10.html) |
| AU (1) | AU2017244043A1 (cg-RX-API-DMAC10.html) |
| BR (1) | BR112018070221A2 (cg-RX-API-DMAC10.html) |
| CA (1) | CA3057699A1 (cg-RX-API-DMAC10.html) |
| WO (1) | WO2017165975A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4171665A4 (en) | 2020-06-24 | 2024-07-10 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd | VEHICLE INTERIOR COMPONENT |
| US12059648B2 (en) | 2021-02-05 | 2024-08-13 | Ge Infrastructure Technology Llc | Carbon dioxide capture system and method of capturing carbon dioxide |
| WO2023215973A1 (en) | 2022-05-10 | 2023-11-16 | Hydron Energy Inc. | System and process for gas upgrading |
| CN115671957B (zh) * | 2023-01-03 | 2023-03-21 | 广州金鹏环保工程有限公司 | 一种多级合并分离型渐进饱和式吸附净化系统 |
| US12691405B2 (en) | 2023-04-12 | 2026-07-28 | Howden Group Limited | Rotary adsorption machine and a housing therefor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61167430A (ja) * | 1985-11-25 | 1986-07-29 | Toyobo Co Ltd | 低濃度溶剤含有ガスから溶剤を回収する方法 |
| JPH02214517A (ja) * | 1989-02-14 | 1990-08-27 | Kobe Steel Ltd | 溶剤含有ガス回収装置 |
| US5891219A (en) * | 1998-01-13 | 1999-04-06 | Durr Environmental, Inc. | Two stage rotary concentrator |
| JP2005103378A (ja) * | 2003-09-29 | 2005-04-21 | Seibu Giken Co Ltd | ガス濃縮装置 |
| AU2009233890B2 (en) * | 2008-04-06 | 2014-10-30 | Innosepra Llc | Carbon dioxide recovery |
| JP5509759B2 (ja) * | 2009-09-17 | 2014-06-04 | 東洋紡株式会社 | 有機溶剤含有ガス回収処理システム |
| JP6531912B2 (ja) * | 2012-12-31 | 2019-06-19 | インヴェンティス サーマル テクノロジーズ インコーポレイテッド | 燃焼ガスからの集積二酸化炭素ガス分離の為のプロセス |
| JP6351403B2 (ja) * | 2014-06-30 | 2018-07-04 | リファインホールディングス株式会社 | 揮発性有機化合物回収方法、及び揮発性有機化合物回収装置 |
| WO2017053062A1 (en) * | 2015-09-25 | 2017-03-30 | Exxonmobil Research And Engineering Company | Two stage adsorbent and process cycle for fluid separations |
| CN105435582A (zh) * | 2015-11-13 | 2016-03-30 | 青岛华世洁环保科技有限公司 | 一种复合式VOCs吸附浓缩转轮及其使用方法 |
-
2017
- 2017-03-31 KR KR1020187031623A patent/KR20180123579A/ko not_active Ceased
- 2017-03-31 AU AU2017244043A patent/AU2017244043A1/en not_active Abandoned
- 2017-03-31 EP EP17772910.0A patent/EP3426379A4/en not_active Withdrawn
- 2017-03-31 BR BR112018070221A patent/BR112018070221A2/pt not_active Application Discontinuation
- 2017-03-31 US US16/089,722 patent/US20190126190A1/en not_active Abandoned
- 2017-03-31 JP JP2018550431A patent/JP2019510627A/ja active Pending
- 2017-03-31 WO PCT/CA2017/050394 patent/WO2017165975A1/en not_active Ceased
- 2017-03-31 CA CA3057699A patent/CA3057699A1/en not_active Abandoned
- 2017-03-31 CN CN201780028674.4A patent/CN109310942A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN109310942A (zh) | 2019-02-05 |
| EP3426379A4 (en) | 2020-01-08 |
| EP3426379A1 (en) | 2019-01-16 |
| CA3057699A1 (en) | 2017-10-05 |
| WO2017165975A1 (en) | 2017-10-05 |
| JP2019510627A (ja) | 2019-04-18 |
| US20190126190A1 (en) | 2019-05-02 |
| AU2017244043A1 (en) | 2018-10-25 |
| BR112018070221A2 (pt) | 2019-01-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20181031 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20200330 Comment text: Request for Examination of Application |
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| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20210629 Patent event code: PE09021S01D |
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| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20210901 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20210629 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |