KR20150040326A - 열감응성 여과막의 제조방법 및 열감응성 여과막 - Google Patents
열감응성 여과막의 제조방법 및 열감응성 여과막 Download PDFInfo
- Publication number
- KR20150040326A KR20150040326A KR20157005422A KR20157005422A KR20150040326A KR 20150040326 A KR20150040326 A KR 20150040326A KR 20157005422 A KR20157005422 A KR 20157005422A KR 20157005422 A KR20157005422 A KR 20157005422A KR 20150040326 A KR20150040326 A KR 20150040326A
- Authority
- KR
- South Korea
- Prior art keywords
- membrane
- filtration membrane
- way
- dopamine
- filtration
- 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.)
- Withdrawn
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- 239000012528 membrane Substances 0.000 title claims abstract description 129
- 238000001914 filtration Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229960003638 dopamine Drugs 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 229920001690 polydopamine Polymers 0.000 claims abstract description 15
- 229920003213 poly(N-isopropyl acrylamide) Polymers 0.000 claims abstract description 10
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 9
- 238000001471 micro-filtration Methods 0.000 claims abstract description 7
- 230000000379 polymerizing effect Effects 0.000 claims abstract description 4
- 238000009736 wetting Methods 0.000 claims abstract description 3
- 239000011148 porous material Substances 0.000 claims description 29
- 239000000243 solution Substances 0.000 claims description 26
- 229920001400 block copolymer Polymers 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 11
- 229920003228 poly(4-vinyl pyridine) Polymers 0.000 claims description 8
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 8
- 239000007983 Tris buffer Substances 0.000 claims description 6
- 238000007306 functionalization reaction Methods 0.000 claims description 6
- CTENFNNZBMHDDG-UHFFFAOYSA-N Dopamine hydrochloride Chemical compound Cl.NCCC1=CC=C(O)C(O)=C1 CTENFNNZBMHDDG-UHFFFAOYSA-N 0.000 claims description 3
- 229910020486 P2VP Inorganic materials 0.000 claims description 3
- 229960001149 dopamine hydrochloride Drugs 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 4
- QNILTEGFHQSKFF-UHFFFAOYSA-N n-propan-2-ylprop-2-enamide Chemical compound CC(C)NC(=O)C=C QNILTEGFHQSKFF-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 19
- 238000004925 denaturation Methods 0.000 description 6
- 230000036425 denaturation Effects 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 229920005597 polymer membrane Polymers 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920006254 polymer film Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229920000469 amphiphilic block copolymer Polymers 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011557 critical solution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000000614 phase inversion technique Methods 0.000 description 1
- 229920000885 poly(2-vinylpyridine) Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000005288 shirasu porous glass Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000008542 thermal sensitivity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/021—Pore shapes
- B01D2325/0212—Symmetric or isoporous membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0282—Dynamic pores-stimuli responsive membranes, e.g. thermoresponsive or pH-responsive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02832—1-10 nm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02833—Pore size more than 10 and up to 100 nm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12179780.7A EP2695668B1 (de) | 2012-08-09 | 2012-08-09 | Verfahren zum Herstellen einer thermoresponsiven Filtrationsmembran und thermoresponsive Filtrationsmembran |
| EP12179780.7 | 2012-08-09 | ||
| PCT/EP2013/001988 WO2014023380A1 (de) | 2012-08-09 | 2013-07-05 | Verfahren zum herstellen einer thermoresponsiven filtrationsmembran und thermoresponsive filtrationsmembran |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20150040326A true KR20150040326A (ko) | 2015-04-14 |
Family
ID=48748158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20157005422A Withdrawn KR20150040326A (ko) | 2012-08-09 | 2013-07-05 | 열감응성 여과막의 제조방법 및 열감응성 여과막 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20150217237A1 (enExample) |
| EP (1) | EP2695668B1 (enExample) |
| JP (1) | JP2015531672A (enExample) |
| KR (1) | KR20150040326A (enExample) |
| CN (1) | CN104718015A (enExample) |
| IN (1) | IN2015DN00749A (enExample) |
| WO (1) | WO2014023380A1 (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016187698A1 (en) * | 2015-05-26 | 2016-12-01 | The University Of British Columbia | Antifouling polymeric coating compositions |
| JP6728684B2 (ja) * | 2016-01-05 | 2020-07-22 | 日立化成株式会社 | 分離材及びその製造方法、並びにカラム |
| CN105732996B (zh) * | 2016-04-21 | 2018-04-06 | 中国科学院理化技术研究所 | 一种表面改性的聚多巴胺纳米粒子Pickering乳液的制备方法 |
| US10781279B2 (en) | 2016-11-22 | 2020-09-22 | 3M Innovative Properties Company | Pentablock copolymers |
| CN109996598A (zh) | 2016-11-22 | 2019-07-09 | 3M创新有限公司 | 包含五嵌段共聚物的多孔膜及其制备方法 |
| JP6911464B2 (ja) * | 2017-03-31 | 2021-07-28 | 昭和電工マテリアルズ株式会社 | 分離材及びカラム |
| CN107286341B (zh) * | 2017-05-17 | 2020-03-10 | 四川大学 | 一种基于多巴胺的自聚合反应制备温度响应型表面的方法 |
| CN107298768B (zh) * | 2017-05-17 | 2020-08-21 | 四川大学 | 一种温度响应型复合开关膜的制备方法 |
| EP3434357A1 (en) * | 2017-07-27 | 2019-01-30 | Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH | Method for preparing isoporous hollow fiber composite membranes |
| CN107357395A (zh) * | 2017-09-01 | 2017-11-17 | 联想(北京)有限公司 | 一种笔记本电脑 |
| CN107964318A (zh) * | 2017-12-08 | 2018-04-27 | 山东交通学院 | 一种基于多巴胺的温敏性表面涂层产品的制备方法 |
| CN112203750B (zh) | 2018-06-01 | 2023-01-13 | 3M创新有限公司 | 包含三嵌段共聚物的多孔膜 |
| US20220306777A1 (en) | 2019-05-10 | 2022-09-29 | Sumitomo Rubber Industries, Ltd. | Plasticizer, composition, and tire |
| CN111036100B (zh) * | 2019-12-31 | 2022-04-05 | 宁波日新恒力科技有限公司 | 一种用于处理中高温废水的超滤复合膜及其制备方法、应用 |
| CN112973478A (zh) * | 2020-02-25 | 2021-06-18 | 四川大学 | 温敏性超亲水性膜及其制备方法 |
| JP7424873B2 (ja) * | 2020-03-12 | 2024-01-30 | テルモ株式会社 | 人工肺およびその製造方法 |
| EP4142932A4 (en) * | 2020-04-27 | 2024-01-03 | The Trustees of Princeton University | SOLAR ENERGY GEL COMPOSITIONS FOR WATER PURIFICATION AND DECONTAMINATION |
| EP4067113A4 (en) | 2020-06-01 | 2023-02-01 | Sumitomo Rubber Industries, Ltd. | POLYMER COMPOSITE, RUBBER AND TIRE COMPOSITION |
| JP7615626B2 (ja) | 2020-11-11 | 2025-01-17 | 住友ゴム工業株式会社 | 可塑剤、組成物及びタイヤ |
| JP7533139B2 (ja) | 2020-11-11 | 2024-08-14 | 住友ゴム工業株式会社 | タイヤ |
| CN114618333B (zh) * | 2020-12-21 | 2023-06-20 | 南京工业大学 | 一种高效可控的制备双响应嵌段共聚物均孔膜的方法和应用 |
| CN112876732A (zh) * | 2021-01-21 | 2021-06-01 | 佛山市南海区苏科大环境研究院 | 一种复合蒸馏膜及其制备方法和应用 |
| EP4201508A1 (en) | 2021-12-21 | 2023-06-28 | Gambro Lundia AB | Membrane coated with polydopamine and chondroitin and process for producing same |
| CN114813807B (zh) * | 2022-04-19 | 2025-11-11 | 哈尔滨工业大学（深圳） | 一种基于拍摄氧化石墨烯碳纳米管复合膜断面图的观察方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6565872B2 (en) * | 1999-02-16 | 2003-05-20 | Xiao Yu Wu | Polymeric system for drug delivery and solute separation |
| CN1243044C (zh) * | 2003-07-16 | 2006-02-22 | 中国科学院化学研究所 | 具有浸润性可逆转变的温度响应性聚合物薄膜的制备方法 |
| JP5203563B2 (ja) * | 2005-11-08 | 2013-06-05 | 株式会社東芝 | 膜ろ過システム |
| DE102006045282C5 (de) | 2006-09-22 | 2012-11-22 | Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH | Isoporöse Membran und Verfahren zu ihrer Herstellung |
| WO2008049108A1 (en) * | 2006-10-19 | 2008-04-24 | Northwestern University | Surface-independent, surface-modifying, multifunctional coatings and applications thereof |
| WO2011005258A1 (en) * | 2009-07-09 | 2011-01-13 | Board Of Regents, The University Of Texas System | Polymer deposition and modification of membranes for fouling resistance |
| WO2011060631A1 (zh) * | 2009-11-23 | 2011-05-26 | 天津工业大学 | 温度响应膜及其制备方法 |
| US20120048805A1 (en) * | 2010-07-16 | 2012-03-01 | University Of Texas At Austin | Method of modifying thin film composite membrane support structures for engineered osmosis applications |
| US9447407B2 (en) * | 2011-02-02 | 2016-09-20 | Agency For Science, Technology And Research | Double coating procedure for the membranes of bioartificial kidneys |
| CN103534009B (zh) * | 2011-05-16 | 2016-08-31 | 先进水处理公司 | 具有聚多巴胺涂层的改进的膜 |
| US10239021B2 (en) * | 2012-06-14 | 2019-03-26 | Teledyne Scientific & Imaging, Llc | Fouling resistant coating for filtration membranes and methods of producing and using same |
-
2012
- 2012-08-09 EP EP12179780.7A patent/EP2695668B1/de not_active Not-in-force
-
2013
- 2013-07-05 IN IN749DEN2015 patent/IN2015DN00749A/en unknown
- 2013-07-05 KR KR20157005422A patent/KR20150040326A/ko not_active Withdrawn
- 2013-07-05 WO PCT/EP2013/001988 patent/WO2014023380A1/de not_active Ceased
- 2013-07-05 JP JP2015525758A patent/JP2015531672A/ja active Pending
- 2013-07-05 CN CN201380041944.7A patent/CN104718015A/zh active Pending
-
2015
- 2015-02-06 US US14/616,041 patent/US20150217237A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP2695668A1 (de) | 2014-02-12 |
| CN104718015A (zh) | 2015-06-17 |
| US20150217237A1 (en) | 2015-08-06 |
| JP2015531672A (ja) | 2015-11-05 |
| WO2014023380A1 (de) | 2014-02-13 |
| EP2695668B1 (de) | 2017-10-11 |
| IN2015DN00749A (enExample) | 2015-07-10 |
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