KR101643431B1 - 복합 필터 매체의 제조 방법 - Google Patents

복합 필터 매체의 제조 방법 Download PDF

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Publication number
KR101643431B1
KR101643431B1 KR1020117004729A KR20117004729A KR101643431B1 KR 101643431 B1 KR101643431 B1 KR 101643431B1 KR 1020117004729 A KR1020117004729 A KR 1020117004729A KR 20117004729 A KR20117004729 A KR 20117004729A KR 101643431 B1 KR101643431 B1 KR 101643431B1
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South Korea
Prior art keywords
nanofiber layer
filter media
composite filter
nonwoven
less
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Korean (ko)
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KR20110049836A (ko
Inventor
데이비드 찰스 존스
현 성 림
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이 아이 듀폰 디 네모아 앤드 캄파니
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Application granted granted Critical
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Assigned to 듀폰 세이프티 앤드 컨스트럭션, 인크. reassignment 듀폰 세이프티 앤드 컨스트럭션, 인크. 권리의 전부이전등록 Assignors: 이 아이 듀폰 디 네모아 앤드 캄파니
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/48Polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/56Polyamides, e.g. polyester-amides
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0076Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
    • D01D5/0084Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0069Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
KR1020117004729A 2008-08-01 2009-08-03 복합 필터 매체의 제조 방법 Active KR101643431B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/184,863 US7922959B2 (en) 2008-08-01 2008-08-01 Method of manufacturing a composite filter media
US12/184,863 2008-08-01

Publications (2)

Publication Number Publication Date
KR20110049836A KR20110049836A (ko) 2011-05-12
KR101643431B1 true KR101643431B1 (ko) 2016-07-27

Family

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Family Applications (1)

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Country Status (7)

Country Link
US (1) US7922959B2 (https=)
EP (1) EP2321028B1 (https=)
JP (1) JP5730198B2 (https=)
KR (1) KR101643431B1 (https=)
CN (1) CN102112197B (https=)
BR (1) BRPI0911818A2 (https=)
WO (1) WO2010014986A2 (https=)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8513147B2 (en) * 2003-06-19 2013-08-20 Eastman Chemical Company Nonwovens produced from multicomponent fibers
US20040260034A1 (en) 2003-06-19 2004-12-23 Haile William Alston Water-dispersible fibers and fibrous articles
US7892993B2 (en) 2003-06-19 2011-02-22 Eastman Chemical Company Water-dispersible and multicomponent fibers from sulfopolyesters
ES2704645T3 (es) * 2008-12-11 2019-03-19 Univ California Membrana de filtración
US8512519B2 (en) * 2009-04-24 2013-08-20 Eastman Chemical Company Sulfopolyesters for paper strength and process
US20120145632A1 (en) 2009-07-15 2012-06-14 Konraad Albert Louise Hector Dullaert Electrospinning of polyamide nanofibers
US9273417B2 (en) 2010-10-21 2016-03-01 Eastman Chemical Company Wet-Laid process to produce a bound nonwoven article
DK2800618T3 (en) * 2012-01-04 2018-05-28 Univ North Carolina State ELASTOMES DEPTH FILTER
US8840757B2 (en) 2012-01-31 2014-09-23 Eastman Chemical Company Processes to produce short cut microfibers
CN102560896A (zh) * 2012-02-13 2012-07-11 东华大学 一种具有纳米纤维层复合功能膜的制备方法及其装置
RU2673883C2 (ru) 2012-10-12 2018-12-03 Дзе Риджентс Оф Дзе Юниверсити Оф Калифорния Полианилиновые мембраны, их применения и способы увеличения гидрофильности мембран
KR20150096446A (ko) 2012-12-18 2015-08-24 사빅 글로벌 테크놀러지스 비.브이. 방사를 통한 고온 용융 완전형 배터리 세퍼레이터
CN103072365B (zh) * 2013-01-31 2016-04-06 东北大学 一种纺粘和静电纺复合滤纸制造方法
ES2684527T3 (es) 2013-02-14 2018-10-03 Nanopareil, Llc Fieltro híbrido de nanofibras electrohiladas, método de preparación del mismo y método de purificación de biomoléculas
US9303357B2 (en) 2013-04-19 2016-04-05 Eastman Chemical Company Paper and nonwoven articles comprising synthetic microfiber binders
DE102013008391A1 (de) * 2013-04-23 2014-10-23 Mann + Hummel Gmbh Filtermedium, insbesondere Luftfiltermedium, sowie Filterelement, insbesondere Luftfilterelement, mit einem Filtermedium
KR102375661B1 (ko) 2013-05-15 2022-03-16 더 리젠츠 오브 더 유니버시티 오브 캘리포니아 정삼투식 적용을 위한 상 반전에 의해 형성된 폴리아닐린 막
JP2016530406A (ja) * 2013-07-17 2016-09-29 サビック グローバル テクノロジーズ ベスローテン フェンノートシャップ 張力サブミクロン繊維とその用途
US20160193555A1 (en) * 2013-08-01 2016-07-07 Finetex Ene, Inc. Multi-layered nanofiber medium using electro-blowing, melt-blowing or electrospinning, and method for manufacturing same
KR101625083B1 (ko) * 2013-10-07 2016-06-07 (주)에프티이앤이 나일론 나노섬유를 포함하는 필터 및 이의 제조방법
WO2015053444A1 (ko) * 2013-10-07 2015-04-16 (주)에프티이앤이 기재 사이에 나노섬유를 포함하는 필터 및 이의 제조방법
WO2015053443A1 (ko) * 2013-10-07 2015-04-16 (주)에프티이앤이 기재 양면에 나노섬유를 포함하는 필터 및 이의 제조방법
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
CN104801113A (zh) * 2014-01-28 2015-07-29 中国科学院宁波材料技术与工程研究所 一种高效空气过滤净化材料
CA2947848C (en) 2014-04-08 2022-08-09 The Regents Of The University Of California Polyaniline-based chlorine resistant hydrophilic filtration membranes
KR101475845B1 (ko) * 2014-06-16 2014-12-23 동화 바이텍스 주식회사 전기 방사법과 멜팅 용법을 이용한 습식 헤파 제조법 및 이에 의해 제조된 헤파 필터
CN104524867A (zh) * 2014-12-17 2015-04-22 东华大学 一种多尺度纤维复合过滤材料及其制备方法
US10343095B2 (en) 2014-12-19 2019-07-09 Hollingsworth & Vose Company Filter media comprising a pre-filter layer
CN104553174B (zh) * 2015-01-06 2016-10-12 山东俊富无纺布有限公司 一种复合非织造材料及其制备方法
CN105148611A (zh) * 2015-07-21 2015-12-16 安徽省元琛环保科技有限公司 一种高过滤性能芳纶复合滤料及其制备方法
US11253801B2 (en) * 2015-11-19 2022-02-22 Teijin Frontier Co., Ltd. Filter cloth for bag filter, method for producing the same, and bag filter
US10252200B2 (en) 2016-02-17 2019-04-09 Hollingsworth & Vose Company Filter media including a filtration layer comprising synthetic fibers
US11014030B2 (en) 2016-02-17 2021-05-25 Hollingsworth & Vose Company Filter media including flame retardant fibers
US10898838B2 (en) 2016-12-15 2021-01-26 Hollingsworth & Vose Company Filter media including adhesives
WO2018110965A1 (ko) * 2016-12-15 2018-06-21 주식회사 아모그린텍 필터여재, 이의 제조방법 및 이를 포함하는 필터유닛
US10543441B2 (en) 2016-12-15 2020-01-28 Hollingsworth & Vose Company Filter media including adhesives and/or oleophobic properties
US11376534B2 (en) 2017-06-08 2022-07-05 Ascend Performance Materials Operations Llc Polyamide nanofiber nonwovens for filters
KR102502382B1 (ko) * 2017-06-08 2023-02-21 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 폴리아미드 나노섬유 부직포
CN107824059A (zh) * 2017-10-18 2018-03-23 杭州水处理技术研究开发中心有限公司 一种纳米聚苯胺改性芳香聚酰胺复合反渗透膜的制备方法
CN108547060A (zh) * 2018-03-16 2018-09-18 平湖市伊凡家箱包有限公司 一种聚酰胺纤维/苎麻纤维复合纤维垫及其制备方法
CN109289549A (zh) * 2018-11-07 2019-02-01 温州莲华环保科技有限公司 一种耐高温耐有机溶剂高性能分离膜及其制备方法
CN109572082B (zh) * 2019-01-15 2023-08-25 山东蓝色时光新材料有限公司 一种可用于高效低阻防雾霾口罩的复合纤维膜
CN113660991A (zh) * 2019-03-29 2021-11-16 三菱制纸株式会社 空气滤清器用滤材
CN110205749B (zh) * 2019-05-25 2022-04-08 浙江佳海新材料有限公司 一种纳米纤维复合过滤纸的生产工艺
CN111876907B (zh) * 2020-07-09 2022-07-26 上海纳米技术及应用国家工程研究中心有限公司 一种抗菌无纺布的制备方法
CN113181714B (zh) * 2021-04-06 2022-10-21 陈琳 一种双组分过滤棉、其制造方法及应用

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR88713E (https=) * 1964-05-15 1967-03-17
AT387274B (de) * 1984-04-30 1988-12-27 Trummer Erwin Bauelement fuer kacheloefen
JP2936591B2 (ja) * 1989-08-01 1999-08-23 東洋紡績株式会社 高性能エレクトレット濾材
US5082476A (en) 1990-10-19 1992-01-21 Donaldson Company, Inc. Filtration arrangement and method
US5236151A (en) * 1991-12-23 1993-08-17 General Electric Company Thermal barrier structure
US5437910A (en) 1993-07-21 1995-08-01 Steinbeis Gessner Gmbh Multi-ply filter lasminate/composite for manufacturing vacuum cleaner filter bags
WO1997037071A1 (fr) 1994-09-28 1997-10-09 Toray Industries, Inc. Textile non-tisse pour filtre plisse et procede de fabrication
JP3201168B2 (ja) * 1994-09-28 2001-08-20 東レ株式会社 フィルター基材およびその製造方法
US6165572A (en) 1995-11-17 2000-12-26 Donaldson Company, Inc. Filter material construction and method
DE19630523C1 (de) 1996-07-29 1998-03-12 Freudenberg Carl Fa Spinnvliesstoff und Vorrichtung zu dessen Herstellung
US6315806B1 (en) 1997-09-23 2001-11-13 Leonard Torobin Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby
US6123751A (en) 1998-06-09 2000-09-26 Donaldson Company, Inc. Filter construction resistant to the passage of water soluble materials; and method
DE19919809C2 (de) 1999-04-30 2003-02-06 Fibermark Gessner Gmbh & Co Staubfilterbeutel, enthaltend Nanofaservlies
DE10016182B4 (de) 2000-03-31 2004-07-29 Carl Freudenberg Kg Verfahren zur Herstellung eines plissierfähigen Filtermaterials aus einem Vliesstoff
WO2002012604A2 (en) 2000-08-03 2002-02-14 Bba Nonwovens Simpsonville, Inc. Process and system for producing multicomponent spunbonded nonwoven fabrics
US6395048B1 (en) * 2000-08-30 2002-05-28 International Truck Intellectual Property Company, L.L.C. Air cleaner inlet device
US6673136B2 (en) 2000-09-05 2004-01-06 Donaldson Company, Inc. Air filtration arrangements having fluted media constructions and methods
US6743273B2 (en) 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6800117B2 (en) 2000-09-05 2004-10-05 Donaldson Company, Inc. Filtration arrangement utilizing pleated construction and method
US20020092423A1 (en) 2000-09-05 2002-07-18 Gillingham Gary R. Methods for filtering air for a gas turbine system
US6746517B2 (en) 2000-09-05 2004-06-08 Donaldson Company, Inc. Filter structure with two or more layers of fine fiber having extended useful service life
US6716274B2 (en) 2000-09-05 2004-04-06 Donaldson Company, Inc. Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream
US6740142B2 (en) 2000-09-05 2004-05-25 Donaldson Company, Inc. Industrial bag house elements
DE10051186B4 (de) 2000-10-16 2005-04-07 Fibermark Gessner Gmbh & Co. Ohg Staubfilterbeutel mit hochporöser Trägermateriallage
KR100549140B1 (ko) 2002-03-26 2006-02-03 이 아이 듀폰 디 네모아 앤드 캄파니 일렉트로-브로운 방사법에 의한 초극세 나노섬유 웹제조방법
US20040038014A1 (en) 2002-08-20 2004-02-26 Donaldson Company, Inc. Fiber containing filter media
US7553532B2 (en) * 2002-12-20 2009-06-30 The Procter & Gamble Company Tufted fibrous web
US7008465B2 (en) 2003-06-19 2006-03-07 Donaldson Company, Inc. Cleanable high efficiency filter media structure and applications for use
EP1814729A1 (en) * 2004-10-26 2007-08-08 Reemay, Inc. Composite fabric with controlled release of functional chemicals
US20060137317A1 (en) 2004-12-28 2006-06-29 Bryner Michael A Filtration media for filtering particulate material from gas streams
JP4764134B2 (ja) * 2005-10-21 2011-08-31 日本グラスファイバー工業株式会社 導電性不織布
US8512432B2 (en) * 2008-08-01 2013-08-20 David Charles Jones Composite filter media

Also Published As

Publication number Publication date
JP2011529779A (ja) 2011-12-15
US7922959B2 (en) 2011-04-12
US20100025892A1 (en) 2010-02-04
JP5730198B2 (ja) 2015-06-03
WO2010014986A2 (en) 2010-02-04
KR20110049836A (ko) 2011-05-12
EP2321028A2 (en) 2011-05-18
CN102112197A (zh) 2011-06-29
CN102112197B (zh) 2014-05-28
EP2321028B1 (en) 2018-02-28
WO2010014986A3 (en) 2010-06-10
BRPI0911818A2 (pt) 2015-10-06

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