CA2860468C - Thin film electrochemical cell with a polymer double seal - Google Patents
Thin film electrochemical cell with a polymer double seal Download PDFInfo
- Publication number
- CA2860468C CA2860468C CA2860468A CA2860468A CA2860468C CA 2860468 C CA2860468 C CA 2860468C CA 2860468 A CA2860468 A CA 2860468A CA 2860468 A CA2860468 A CA 2860468A CA 2860468 C CA2860468 C CA 2860468C
- Authority
- CA
- Canada
- Prior art keywords
- polymer layer
- cell
- thin film
- film electrochemical
- seal area
- 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
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 171
- 239000010409 thin film Substances 0.000 title claims abstract description 63
- 239000003792 electrolyte Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000011888 foil Substances 0.000 claims description 15
- -1 polypropylene Polymers 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- 230000003746 surface roughness Effects 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 123
- 239000010410 layer Substances 0.000 description 120
- 238000009792 diffusion process Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000002939 deleterious effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- VRBFTYUMFJWSJY-UHFFFAOYSA-N 28804-46-8 Chemical compound ClC1CC(C=C2)=CC=C2C(Cl)CC2=CC=C1C=C2 VRBFTYUMFJWSJY-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000681 Silicon-tin Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- LQJIDIOGYJAQMF-UHFFFAOYSA-N lambda2-silanylidenetin Chemical compound [Si].[Sn] LQJIDIOGYJAQMF-UHFFFAOYSA-N 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 239000002650 laminated plastic Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- AKJVMGQSGCSQBU-UHFFFAOYSA-N zinc azanidylidenezinc Chemical compound [Zn++].[N-]=[Zn].[N-]=[Zn] AKJVMGQSGCSQBU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/141—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against humidity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261631457P | 2012-01-05 | 2012-01-05 | |
| US201261631453P | 2012-01-05 | 2012-01-05 | |
| US61/631,453 | 2012-01-05 | ||
| US61/631,457 | 2012-01-05 | ||
| PCT/CA2013/000006 WO2013102269A1 (en) | 2012-01-05 | 2013-01-07 | Thin film electrochemical cell with a polymer double seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2860468A1 CA2860468A1 (en) | 2013-07-11 |
| CA2860468C true CA2860468C (en) | 2020-12-15 |
Family
ID=48744949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2860468A Active CA2860468C (en) | 2012-01-05 | 2013-01-07 | Thin film electrochemical cell with a polymer double seal |
Country Status (5)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013036802A1 (en) | 2011-09-07 | 2013-03-14 | 24M Technologies, Inc. | Stationary semi-solid battery module and method of manufacture |
| US9401501B2 (en) | 2012-05-18 | 2016-07-26 | 24M Technologies, Inc. | Electrochemical cells and methods of manufacturing the same |
| EP3706205B1 (en) | 2014-10-13 | 2024-01-03 | 24M Technologies, Inc. | Systems and methods for series battery charging and forming |
| CA2962788C (en) | 2014-11-05 | 2024-04-09 | 24M Technologies, Inc. | Electrochemical cells having semi-solid electrodes and methods of manufacturing the same |
| WO2016205663A1 (en) * | 2015-06-18 | 2016-12-22 | 24M Technologies, Inc. | Single pouch battery cells and methods of manufacture |
| WO2019136467A1 (en) | 2018-01-08 | 2019-07-11 | 24M Technologies, Inc. | Electrochemical cells including selectively permeable membranes, systems and methods of manufacturing the same |
| US11631920B2 (en) | 2019-06-27 | 2023-04-18 | 24M Technologies, Inc. | Dual electrolyte electrochemical cells, systems, and methods of manufacturing the same |
| KR102823838B1 (ko) * | 2019-10-29 | 2025-06-24 | 에스케이온 주식회사 | 파우치형 이차전지 |
| US11742525B2 (en) | 2020-02-07 | 2023-08-29 | 24M Technologies, Inc. | Divided energy electrochemical cell systems and methods of producing the same |
| US12381277B2 (en) | 2020-06-17 | 2025-08-05 | 24M Technologies, Inc. | Electrochemical cells with flame retardant mechanism and methods of producing the same |
| JP7273786B2 (ja) * | 2020-12-28 | 2023-05-15 | プライムプラネットエナジー＆ソリューションズ株式会社 | フィルム型電池の検査装置および製造方法 |
| WO2022231277A1 (ko) * | 2021-04-26 | 2022-11-03 | 주식회사 엘지에너지솔루션 | 전지 셀 및 이를 포함하는 전지 모듈 |
Family Cites Families (38)
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| US3237078A (en) | 1963-03-14 | 1966-02-22 | Mallory & Co Inc P R | Rechargeable batteries and regulated charging means therefor |
| US3393555A (en) | 1965-06-01 | 1968-07-23 | Kaman Corp | Vibration testing and isolating apparatus |
| US3852117A (en) | 1970-05-18 | 1974-12-03 | American Cyanamid Co | Seal for electrochemical cells and the like |
| US4154902A (en) | 1976-09-13 | 1979-05-15 | American Energizer Corporation | Electric battery cell, system and method |
| US4169919A (en) | 1978-10-26 | 1979-10-02 | Ford Motor Company | Double seal for sodium sulfur battery |
| GB8800082D0 (en) | 1988-01-05 | 1988-02-10 | Alcan Int Ltd | Battery |
| US5338625A (en) | 1992-07-29 | 1994-08-16 | Martin Marietta Energy Systems, Inc. | Thin film battery and method for making same |
| US5362581A (en) | 1993-04-01 | 1994-11-08 | W. R. Grace & Co.-Conn. | Battery separator |
| US5336573A (en) | 1993-07-20 | 1994-08-09 | W. R. Grace & Co.-Conn. | Battery separator |
| US5314765A (en) | 1993-10-14 | 1994-05-24 | Martin Marietta Energy Systems, Inc. | Protective lithium ion conducting ceramic coating for lithium metal anodes and associate method |
| JP2603141Y2 (ja) | 1993-11-30 | 2000-02-28 | 古河電池株式会社 | 鉛蓄電池用袋状セパレータ並びに鉛蓄電池 |
| US5569520A (en) | 1994-01-12 | 1996-10-29 | Martin Marietta Energy Systems, Inc. | Rechargeable lithium battery for use in applications requiring a low to high power output |
| US5561004A (en) | 1994-02-25 | 1996-10-01 | Bates; John B. | Packaging material for thin film lithium batteries |
| US5411592A (en) | 1994-06-06 | 1995-05-02 | Ovonic Battery Company, Inc. | Apparatus for deposition of thin-film, solid state batteries |
| US5654084A (en) | 1994-07-22 | 1997-08-05 | Martin Marietta Energy Systems, Inc. | Protective coatings for sensitive materials |
| US5445906A (en) | 1994-08-03 | 1995-08-29 | Martin Marietta Energy Systems, Inc. | Method and system for constructing a rechargeable battery and battery structures formed with the method |
| US5529858A (en) | 1994-10-24 | 1996-06-25 | Saft America, Inc. | Hermetically sealed thermocompression feedthrough and peripheral seal for high temperature lithium based battery applications |
| JPH10294097A (ja) | 1997-02-24 | 1998-11-04 | Mitsubishi Electric Corp | 薄型電池 |
| US6753114B2 (en) | 1998-04-20 | 2004-06-22 | Electrovaya Inc. | Composite electrolyte for a rechargeable lithium battery |
| JP4273512B2 (ja) | 1999-06-28 | 2009-06-03 | 日本エクスラン工業株式会社 | 吸放湿性重合体およびその成形体 |
| US6866901B2 (en) * | 1999-10-25 | 2005-03-15 | Vitex Systems, Inc. | Method for edge sealing barrier films |
| AU2001251550A1 (en) | 2000-04-13 | 2001-10-30 | Fmc Corporation | Battery pack or battery providing increased heat dissipation |
| US6284406B1 (en) | 2000-06-09 | 2001-09-04 | Ntk Powerdex, Inc. | IC card with thin battery |
| US20020071989A1 (en) | 2000-12-08 | 2002-06-13 | Verma Surrenda K. | Packaging systems and methods for thin film solid state batteries |
| JP4593031B2 (ja) | 2001-08-06 | 2010-12-08 | パナソニック株式会社 | 角形密閉式電池 |
| MXPA02008648A (es) | 2002-09-04 | 2004-03-10 | Constructora Y Servicios Ind D | Recubrimiento disipador de calor y metodo para disminuir la temperatura interior de viviendas y construcciones similares. |
| US6994933B1 (en) * | 2002-09-16 | 2006-02-07 | Oak Ridge Micro-Energy, Inc. | Long life thin film battery and method therefor |
| JP4532219B2 (ja) * | 2004-09-15 | 2010-08-25 | 大日本印刷株式会社 | 放熱シート |
| US8404388B2 (en) * | 2005-08-09 | 2013-03-26 | Polyplus Battery Company | Compliant seal structures for protected active metal anodes |
| KR100932214B1 (ko) | 2005-10-14 | 2009-12-16 | 주식회사 엘지화학 | 열전소자를 이용한 전지팩의 열교환 시스템 |
| JP4873703B2 (ja) * | 2006-07-27 | 2012-02-08 | 日本電信電話株式会社 | 電気デバイス用パッケージを備えた電気装置 |
| KR100837972B1 (ko) | 2006-11-28 | 2008-06-13 | 현대자동차주식회사 | 배터리모듈의 냉각 또는 가열장치의 구조 |
| JP4508199B2 (ja) | 2007-02-05 | 2010-07-21 | ソニー株式会社 | リード用シーラントフィルム及び非水電解質電池 |
| KR101430615B1 (ko) | 2007-09-19 | 2014-08-14 | 삼성에스디아이 주식회사 | 캐소드 및 이를 채용한 리튬 전지 |
| JP2009087875A (ja) * | 2007-10-02 | 2009-04-23 | Asahi Kasei Corp | 高放熱性電気化学素子および電源装置 |
| JP4766057B2 (ja) * | 2008-01-23 | 2011-09-07 | ソニー株式会社 | 非水電解質電池および非水電解質電池の製造方法 |
| US20100291431A1 (en) * | 2009-05-13 | 2010-11-18 | Front Edge Technology, Inc. | Thin film battery with protective packaging |
| US8771866B2 (en) * | 2010-03-30 | 2014-07-08 | Samsung Sdi Co., Ltd. | Pouch type secondary battery and the fabrication method thereof |
-
2013
- 2013-01-07 WO PCT/CA2013/000006 patent/WO2013102269A1/en not_active Ceased
- 2013-01-07 US US14/370,753 patent/US9853254B2/en active Active
- 2013-01-07 IN IN1408KON2014 patent/IN2014KN01408A/en unknown
- 2013-01-07 EP EP13733585.7A patent/EP2801120B1/en active Active
- 2013-01-07 CA CA2860468A patent/CA2860468C/en active Active
-
2017
- 2017-11-17 US US15/816,226 patent/US10797277B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US10797277B2 (en) | 2020-10-06 |
| EP2801120B1 (en) | 2018-10-31 |
| US20180114956A1 (en) | 2018-04-26 |
| EP2801120A1 (en) | 2014-11-12 |
| WO2013102269A1 (en) | 2013-07-11 |
| EP2801120A4 (en) | 2015-11-11 |
| IN2014KN01408A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 2015-10-23 |
| US20140363721A1 (en) | 2014-12-11 |
| US9853254B2 (en) | 2017-12-26 |
| CA2860468A1 (en) | 2013-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20171206 |