JP2012513298A - 小型マルチガスフィルタ - Google Patents

小型マルチガスフィルタ Download PDF

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Publication number
JP2012513298A
JP2012513298A JP2011542219A JP2011542219A JP2012513298A JP 2012513298 A JP2012513298 A JP 2012513298A JP 2011542219 A JP2011542219 A JP 2011542219A JP 2011542219 A JP2011542219 A JP 2011542219A JP 2012513298 A JP2012513298 A JP 2012513298A
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JP
Japan
Prior art keywords
filter
pleated
bed
chemical
filter assembly
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
Application number
JP2011542219A
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English (en)
Japanese (ja)
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JP2012513298A5 (enExample
Inventor
ラリー， エー． ブリー，
リサ， エム． クロール，
ドゥエイン， ディー． ファンスラー，
サイモン， ジェイ． スミス，
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
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3M Innovative Properties Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2012513298A publication Critical patent/JP2012513298A/ja
Publication of JP2012513298A5 publication Critical patent/JP2012513298A5/ja
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Filtering Materials (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Catalysts (AREA)
  • Electrostatic Separation (AREA)
JP2011542219A 2008-12-22 2009-12-03 小型マルチガスフィルタ Pending JP2012513298A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13970008P 2008-12-22 2008-12-22
US61/139,700 2008-12-22
PCT/US2009/066500 WO2010074909A1 (en) 2008-12-22 2009-12-03 Compact multigas filter

Publications (2)

Publication Number Publication Date
JP2012513298A true JP2012513298A (ja) 2012-06-14
JP2012513298A5 JP2012513298A5 (enExample) 2013-01-24

Family

ID=41698159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011542219A Pending JP2012513298A (ja) 2008-12-22 2009-12-03 小型マルチガスフィルタ

Country Status (9)

Country Link
US (1) US20110308524A1 (enExample)
EP (1) EP2373399A1 (enExample)
JP (1) JP2012513298A (enExample)
KR (1) KR20110104967A (enExample)
CN (1) CN102292136A (enExample)
AU (1) AU2009330550B2 (enExample)
CA (1) CA2747782A1 (enExample)
RU (1) RU2490051C2 (enExample)
WO (1) WO2010074909A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018518357A (ja) * 2015-04-28 2018-07-12 スリーエム イノベイティブ プロパティズ カンパニー 呼吸保護のための濾過媒体

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY154251A (en) 2007-11-12 2015-05-29 Exxonmobil Upstream Res Co Methods of generating and utility gas
BRPI0911224A2 (pt) 2008-04-30 2015-09-29 Exxonmobil Upstream Res Co sistema e método para tratar uma corrente de alimentação gasosa, e, contactador adsorvente estruturado
CN102917767B (zh) 2010-05-28 2015-11-25 埃克森美孚上游研究公司 整合吸附器头以及与其相关的阀设计和变化吸附法
TWI495501B (zh) 2010-11-15 2015-08-11 Exxonmobil Upstream Res Co 動力分餾器及用於氣體混合物之分餾的循環法
US9352269B2 (en) 2011-03-01 2016-05-31 Exxonmobil Upstream Research Company Apparatus and systems having a rotary valve assembly and swing adsorption processes related thereto
US9017457B2 (en) 2011-03-01 2015-04-28 Exxonmobil Upstream Research Company Apparatus and systems having a reciprocating valve head assembly and swing adsorption processes related thereto
BR112013018597A2 (pt) 2011-03-01 2019-01-08 Exxonmobil Upstream Res Co aparelho e sistemas tendo um contator adsorvente encaixado e processos de adsorção oscilante
US9452374B2 (en) 2011-09-20 2016-09-27 Clarification Technology, Inc. Filtration device for cooking oil
CN102366683A (zh) * 2011-11-14 2012-03-07 德星技术（苏州）有限公司 加强配筋打褶过滤结构的制造方法
WO2013075106A1 (en) * 2011-11-18 2013-05-23 Calgon Carbon Corporation Particulate and other gaseous emissions filter
JP5861450B2 (ja) * 2011-12-27 2016-02-16 東洋紡株式会社 難燃性脱臭フィルタ
WO2013159797A1 (en) * 2012-04-25 2013-10-31 BLüCHER GMBH Filtering material and use thereof
US9199189B1 (en) * 2012-06-13 2015-12-01 Columbus Industries, Inc. Filter medium having ozone and odor removal properties
CN102861387A (zh) * 2012-09-26 2013-01-09 泰安市金飞虹织造有限公司 一种交警用汽车尾气过滤口罩
KR20160074460A (ko) 2013-08-21 2016-06-28 쓰리엠 이노베이티브 프로퍼티즈 캄파니 층상형 또는 혼합형 수착 베드 방호 여과 장치
EP3036036A2 (en) 2013-08-21 2016-06-29 3M Innovative Properties Company Layered or mixed sorbent bed protective filtration device
EP3036035A2 (en) 2013-08-21 2016-06-29 3M Innovative Properties Company Layered or mixed sorbent bed protective filtration device
US9457207B2 (en) * 2013-09-04 2016-10-04 Waterford Mask Systems Inc. Facemask with filter insert for protection against airborne pathogens
US11484734B2 (en) 2013-09-04 2022-11-01 Octo Safety Devices, Llc Facemask with filter insert for protection against airborne pathogens
KR200474665Y1 (ko) * 2013-12-17 2014-10-06 신성준 기능성 마스크
US9034289B1 (en) * 2014-04-04 2015-05-19 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for prolonging the service life of a collective protection filter using a guard bed
US9352175B1 (en) * 2014-04-24 2016-05-31 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for prolonging the service life of a collective protection filter using a supplemental bed
CN103990337B (zh) * 2014-06-11 2016-04-20 安徽工业大学 一种可同时吸收挥发性有机物并高效捕集细颗粒物的褶式滤筒
WO2016014232A1 (en) 2014-07-25 2016-01-28 Exxonmobil Upstream Research Company Apparatus and system having a valve assembly and swing adsorption processes related thereto
CN106999833A (zh) * 2014-10-06 2017-08-01 康宁股份有限公司 蜂窝体过滤器制品及其制造方法
SG10201912669TA (en) 2014-11-11 2020-02-27 Exxonmobil Upstream Res Co High capacity structures and monoliths via paste imprinting
SG11201703809RA (en) 2014-12-10 2017-06-29 Exxonmobil Res & Eng Co Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same
CN107635644A (zh) 2014-12-23 2018-01-26 埃克森美孚上游研究公司 结构化吸附床，其生产方法及其用途
EP3268112B1 (en) 2015-03-13 2024-06-05 Donaldson Company, Inc. Activated carbon and catalyst filter and use thereof
WO2016186725A1 (en) 2015-05-15 2016-11-24 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes related thereto comprising mid-bed purge systems
US9751041B2 (en) 2015-05-15 2017-09-05 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes related thereto
US9493356B1 (en) 2015-07-17 2016-11-15 The United States Of America As Represented By The Secretary Of The Navy Impregnation of macrocycle organics to activated carbon
WO2017039991A1 (en) 2015-09-02 2017-03-09 Exxonmobil Upstream Research Company Process and system for swing adsorption using an overhead stream of a demethanizer as purge gas
US10080991B2 (en) 2015-09-02 2018-09-25 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes related thereto
CN205090507U (zh) * 2015-09-30 2016-03-16 飞利浦(中国)投资有限公司 空气净化设备
EP3368190A1 (en) 2015-10-27 2018-09-05 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes related thereto having actively-controlled feed poppet valves and passively controlled product valves
CA3001336A1 (en) 2015-10-27 2017-05-04 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes related thereto having a plurality of valves
SG11201802606VA (en) 2015-10-27 2018-05-30 Exxonmobil Upstream Res Co Apparatus and system for swing adsorption processes related thereto having a plurality of valves
CA3005448A1 (en) 2015-11-16 2017-05-26 Exxonmobil Upstream Research Company Adsorbent materials and methods of adsorbing carbon dioxide
BR112018068677A2 (pt) * 2016-03-14 2019-01-15 3M Innovative Properties Co filtros de ar compreendendo sorventes poliméricos para gases reativos
US10960341B2 (en) 2016-03-14 2021-03-30 3M Innovative Properties Company Air filters comprising polymeric sorbents for aldehydes
WO2017160637A1 (en) 2016-03-14 2017-09-21 3M Innovative Properties Company Composite granules including polymeric sorbent for aldehydes
JP2019508245A (ja) 2016-03-18 2019-03-28 エクソンモービル アップストリーム リサーチ カンパニー スイング吸着プロセス用の装置及びシステム
RU2702545C1 (ru) 2016-05-31 2019-10-08 Эксонмобил Апстрим Рисерч Компани Устройство и система для осуществления процессов циклической адсорбции
US10427091B2 (en) 2016-05-31 2019-10-01 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes
US10434458B2 (en) 2016-08-31 2019-10-08 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes related thereto
CN109922872A (zh) 2016-09-01 2019-06-21 埃克森美孚上游研究公司 使用3a沸石结构移除水的变化吸附处理
US10328382B2 (en) 2016-09-29 2019-06-25 Exxonmobil Upstream Research Company Apparatus and system for testing swing adsorption processes
US10391469B2 (en) 2016-11-08 2019-08-27 Hamilton Sundstrand Corporation Sorbent systems and methods
CN110099730A (zh) 2016-12-21 2019-08-06 埃克森美孚上游研究公司 具有泡沫几何形状结构和活性材料的自支承性结构
JP7021227B2 (ja) 2016-12-21 2022-02-16 エクソンモービル アップストリーム リサーチ カンパニー 活性材料を有する自己支持構造
US10874426B2 (en) * 2017-02-10 2020-12-29 Covidien Lp Seal assembly with integral filter and evacuation port
US11185644B2 (en) * 2017-06-30 2021-11-30 Conmed Corporation Filter cartridge assemblies
US12337102B2 (en) * 2017-06-30 2025-06-24 Conmed Corporation Filter cartridge assemblies
US11331620B2 (en) 2018-01-24 2022-05-17 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes
US11413567B2 (en) 2018-02-28 2022-08-16 Exxonmobil Upstream Research Company Apparatus and system for swing adsorption processes
US11554276B2 (en) 2018-04-11 2023-01-17 Octo Safety Devices, Llc Facemask with facial seal and seal test device
CN110393978A (zh) * 2018-04-25 2019-11-01 马鞍山同杰良生物材料有限公司 一种抗菌净味非织造过滤材料及其应用
KR102132985B1 (ko) * 2018-09-20 2020-07-10 주식회사 에코 노출형 필터를 갖는 폐액 보관 용기
US11318410B2 (en) 2018-12-21 2022-05-03 Exxonmobil Upstream Research Company Flow modulation systems, apparatus, and methods for cyclical swing adsorption
IL263915B (en) * 2018-12-23 2022-03-01 Beth El Zikhron Yaaqov Ind Ltd Filtration systems
EP3962641A1 (en) 2019-04-30 2022-03-09 Exxonmobil Upstream Research Company (EMHC-N1-4A-607) Rapid cycle adsorbent bed
WO2021071755A1 (en) 2019-10-07 2021-04-15 Exxonmobil Upstream Research Company Adsorption processes and systems utilizing step lift control of hydraulically actuated poppet valves
US11433346B2 (en) 2019-10-16 2022-09-06 Exxonmobil Upstream Research Company Dehydration processes utilizing cationic zeolite RHO
CN113384962A (zh) * 2020-03-11 2021-09-14 中国人民解放军69007部队 新型核生化防护滤烟层及其制备方法、应用
WO2021188100A1 (en) * 2020-03-18 2021-09-23 Xia Xin Rui A full facepiece elastomeric respirator with exhalation filtering and low breathing resistance for respiratory infection disease prevention and confinement
US11794140B1 (en) * 2020-05-18 2023-10-24 The United States Of America As Represented By The Secretary Of The Army Auxiliary filter for enhanced chemical protection
DE102020114982A1 (de) * 2020-06-05 2021-12-09 Dräger Safety AG & Co. KGaA Gasmessgerät und Verfahren zum Messen von Dicyan in Anwesenheit von Cyanwasserstoff
US11786845B2 (en) * 2021-04-15 2023-10-17 Pall Corporation Filter element
EP4218945A1 (en) * 2022-01-28 2023-08-02 MANN+HUMMEL Vokes Air GmbH & Co. OHG Filter element for a breathing apparatus, filter device, breathing apparatus, and use of a filter element
WO2024039921A1 (en) * 2022-08-17 2024-02-22 Integrated Pharma Services, Llc Pleating spacers and their use to provide improved facial masks and respirators
US11642614B1 (en) * 2022-10-12 2023-05-09 AC Infinity Inc. Reusable activated carbon filter
US20240246019A1 (en) * 2023-01-23 2024-07-25 John David Pandrea, JR. Smoke-capturing device
US12343573B1 (en) * 2024-10-11 2025-07-01 Patient Knowhow, Inc. Maskless respiratory and eye protection device for aerosols and vapors including chemical, biological, radiological, and nuclear (CBRN) contaminants

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03238011A (ja) * 1990-02-15 1991-10-23 Kuraray Chem Corp 空気浄化フィルター
JPH0760049A (ja) * 1993-08-27 1995-03-07 Daikin Ind Ltd 除塵機能付脱臭フィルタ
JPH08503272A (ja) * 1992-11-18 1996-04-09 ヘキスト・セラニーズ・コーポレーション 固定された粒子物質を含有する繊維状構造物およびその製造方法
JPH11114333A (ja) * 1997-10-14 1999-04-27 Matsushita Electric Ind Co Ltd 空気清浄用フィルター及びそれを用いた空気清浄機
JP2000024426A (ja) * 1998-05-08 2000-01-25 Toyobo Co Ltd 吸着性シ―ト及びその製造方法並びに空気浄化用フィルタ―
JP2002065833A (ja) * 2000-08-28 2002-03-05 Matsushita Electric Works Ltd 空気清浄器
JP2002355300A (ja) * 2001-02-23 2002-12-10 Matsushita Electric Works Ltd 脱臭フィルタ及び空気清浄器
JP2008516753A (ja) * 2004-10-15 2008-05-22 スリーエム イノベーティブ プロパティーズ カンパニー プリーツ付き多層フィルタろ材およびカートリッジ

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546903A (en) * 1937-09-02 1951-03-27 Jacque C Morrell Process of producing activated carbon
US2537992A (en) * 1939-03-18 1951-01-16 William E Gross Gas mask canister
US3327859A (en) * 1963-12-30 1967-06-27 Pall Corp Portable unit for potable water
US3505794A (en) * 1968-05-29 1970-04-14 Air Inc Van Air filter
JPS5825175A (ja) * 1981-08-07 1983-02-15 揚　文羊 防煙防毒マスク
GB2109268B (en) * 1981-11-16 1984-10-03 Process Scient Innovations Gas purifiers
US4548626A (en) * 1984-04-30 1985-10-22 Figgie International Inc. Particulate air filter assembly
US5038775A (en) * 1988-01-04 1991-08-13 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Canadian Government Plastic scrim
US5582865A (en) * 1988-12-12 1996-12-10 Extraction Systems, Inc. Non-woven filter composite
SU1762948A1 (ru) * 1990-04-04 1992-09-23 Электростальское научно-производственное объединение "Неорганика" Фильтрующе-поглощающа коробка противогаза
US5753343A (en) * 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
US6340024B1 (en) * 1993-01-07 2002-01-22 Dme Corporation Protective hood and oral/nasal mask
AU4858496A (en) * 1995-01-27 1996-08-14 Mine Safety Appliances Company Respirator filter system
US6156089A (en) * 1996-11-27 2000-12-05 Air Kontrol, Inc. Two-stage air filter with multiple-layer stage and post-filter stage
US6627563B1 (en) * 1999-08-19 2003-09-30 3M Innovative Properties Company Oily-mist resistant filter that has nondecreasing efficiency
CA2624848C (en) * 2000-04-18 2009-02-24 Avon Protection Systems, Inc. Self-sealing filter connection and gas mask and filter assembly incorporating the same
CN1100604C (zh) * 2000-12-18 2003-02-05 中国人民解放军63971部队 一种无铬浸渍活性炭及其制备方法
CA2483560C (en) * 2002-04-26 2011-09-20 Avon Protection Systems, Inc. Gas mask filter canister
EP1539326B1 (en) * 2002-09-16 2012-04-25 TrioMed Innovations Corp. Electrostatically charged filter media incorporating an active agent
RU30598U1 (ru) * 2003-01-23 2003-07-10 Закрытое акционерное общество с иностранными инвестициями "Сорбент-Центр Внедрение" Патрон респиратора
US7004990B2 (en) * 2003-06-26 2006-02-28 3M Innovative Properties Company Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases
US7442237B1 (en) * 2004-09-16 2008-10-28 The United States Of America As Represented By The Secretary Of The Army Multi-agent end-of-service-life indicator for respirator filters
US7419526B2 (en) * 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
US20070163588A1 (en) * 2005-11-08 2007-07-19 Jack Hebrank Respirators for Delivering Clean Air to an Individual User
US7861719B1 (en) * 2006-09-19 2011-01-04 The United States Of America As Represented By The Secretary Of The Army High surface area chemical/biological air-purifying filter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03238011A (ja) * 1990-02-15 1991-10-23 Kuraray Chem Corp 空気浄化フィルター
JPH08503272A (ja) * 1992-11-18 1996-04-09 ヘキスト・セラニーズ・コーポレーション 固定された粒子物質を含有する繊維状構造物およびその製造方法
JPH0760049A (ja) * 1993-08-27 1995-03-07 Daikin Ind Ltd 除塵機能付脱臭フィルタ
JPH11114333A (ja) * 1997-10-14 1999-04-27 Matsushita Electric Ind Co Ltd 空気清浄用フィルター及びそれを用いた空気清浄機
JP2000024426A (ja) * 1998-05-08 2000-01-25 Toyobo Co Ltd 吸着性シ―ト及びその製造方法並びに空気浄化用フィルタ―
JP2002065833A (ja) * 2000-08-28 2002-03-05 Matsushita Electric Works Ltd 空気清浄器
JP2002355300A (ja) * 2001-02-23 2002-12-10 Matsushita Electric Works Ltd 脱臭フィルタ及び空気清浄器
JP2008516753A (ja) * 2004-10-15 2008-05-22 スリーエム イノベーティブ プロパティーズ カンパニー プリーツ付き多層フィルタろ材およびカートリッジ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018518357A (ja) * 2015-04-28 2018-07-12 スリーエム イノベイティブ プロパティズ カンパニー 呼吸保護のための濾過媒体

Also Published As

Publication number Publication date
CA2747782A1 (en) 2010-07-01
US20110308524A1 (en) 2011-12-22
CN102292136A (zh) 2011-12-21
RU2490051C2 (ru) 2013-08-20
EP2373399A1 (en) 2011-10-12
AU2009330550A1 (en) 2011-07-07
WO2010074909A1 (en) 2010-07-01
KR20110104967A (ko) 2011-09-23
RU2011124941A (ru) 2012-12-27
AU2009330550B2 (en) 2013-03-14

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