CN101796108B - 微孔聚烯烃膜、其制备方法、电池隔板和电池 - Google Patents
微孔聚烯烃膜、其制备方法、电池隔板和电池 Download PDFInfo
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- CN101796108B CN101796108B CN2008801051183A CN200880105118A CN101796108B CN 101796108 B CN101796108 B CN 101796108B CN 2008801051183 A CN2008801051183 A CN 2008801051183A CN 200880105118 A CN200880105118 A CN 200880105118A CN 101796108 B CN101796108 B CN 101796108B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
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- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- 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
- H01M10/24—Alkaline accumulators
- H01M10/30—Nickel accumulators
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- 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
- H01M10/34—Gastight accumulators
- H01M10/345—Gastight metal hydride accumulators
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- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
- H01M50/406—Moulding; Embossing; Cutting
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- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
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- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
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- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
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- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/03—Extrusion of the foamable blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
- C08J2201/0502—Elimination by evaporation or heat degradation of a liquid phase the liquid phase being organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249991—Synthetic resin or natural rubbers
- Y10T428/249992—Linear or thermoplastic
- Y10T428/249993—Hydrocarbon polymer
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Cell Separators (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-226898 | 2007-08-31 | ||
JP2007226898 | 2007-08-31 | ||
PCT/JP2008/066030 WO2009028737A1 (en) | 2007-08-31 | 2008-08-29 | Microporous polyolefin membrane, its production method, battery separator and battery |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101796108A CN101796108A (zh) | 2010-08-04 |
CN101796108B true CN101796108B (zh) | 2012-08-22 |
Family
ID=40387432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008801051183A Active CN101796108B (zh) | 2007-08-31 | 2008-08-29 | 微孔聚烯烃膜、其制备方法、电池隔板和电池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8414663B2 (zh) |
JP (1) | JP5497635B2 (zh) |
KR (1) | KR101477176B1 (zh) |
CN (1) | CN101796108B (zh) |
WO (1) | WO2009028737A1 (zh) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2404737B1 (en) * | 2009-03-06 | 2018-02-21 | National University Corporation Gunma University | Method for producing super high molecular weight polyethylene film and super high molecular weight polyethylene film obtainable by said method |
JP2013166804A (ja) * | 2010-06-04 | 2013-08-29 | Toray Battery Separator Film Co Ltd | ポリオレフィン微多孔膜、電池用セパレータ及び電池 |
HUE043797T2 (hu) | 2010-12-28 | 2019-09-30 | Asahi Chemical Ind | Poliolefin alapú porózus film és eljárás elõállítására |
CN102751459B (zh) | 2011-04-22 | 2016-03-23 | 天津东皋膜技术有限公司 | 后交联橡胶、聚烯烃复合材料纳米微多孔隔膜及其制造方法 |
CN103502335B (zh) * | 2011-06-08 | 2015-06-24 | 东丽株式会社 | 多孔性聚丙烯膜及其制造方法 |
JP5766291B2 (ja) * | 2011-08-31 | 2015-08-19 | 三井化学株式会社 | ポリオレフィン樹脂組成物およびその用途 |
CN104011121B (zh) * | 2011-12-26 | 2017-06-13 | 东丽电池隔膜株式会社 | 聚烯烃微孔膜、聚烯烃微孔膜卷、及它们的制造方法以及使用它们的电池用隔膜 |
CN102627796B (zh) * | 2012-04-11 | 2015-06-03 | 中国科学院化学研究所 | 一种用于制造锂电池隔膜的聚乙烯组合物 |
TWI453114B (zh) * | 2012-05-11 | 2014-09-21 | Entire Technology Co Ltd | 多孔複合膜的製造方法 |
KR101611229B1 (ko) | 2013-01-31 | 2016-04-11 | 제일모직 주식회사 | 분리막의 제조 방법과 그 분리막, 및 이를 이용한 전지 |
KR101350602B1 (ko) * | 2013-02-12 | 2014-01-13 | 삼성토탈 주식회사 | 원적외선 및/또는 텐터 어닐링법을 포함하는 폴리올레핀계 분리막의 제조방법 |
PL2963083T3 (pl) | 2013-02-27 | 2018-10-31 | Toray Industries, Inc. | Porowata folia poliolefinowa, separator baterii otrzymany z jej zastosowaniem i sposoby ich wytwarzania |
CN103342849B (zh) * | 2013-07-24 | 2015-06-03 | 黑龙江省化工研究院 | 用于防治土壤流失的改性聚乙烯材料 |
KR101523433B1 (ko) * | 2013-10-11 | 2015-05-27 | 주식회사 효성 | 내열성이 우수한 다층 미세다공막 및 그의 제조방법 |
CN103951881B (zh) * | 2014-04-12 | 2016-06-08 | 安徽江威精密制造有限公司 | 一种耐高压抗击穿电容器用金属化薄膜及其制备方法 |
KR20160002447A (ko) * | 2014-06-30 | 2016-01-08 | 제일모직주식회사 | 다공성 폴리올레핀계 분리막 및 이의 제조 방법 |
JP6202062B2 (ja) * | 2014-09-30 | 2017-09-27 | 住友化学株式会社 | 偏光フィルムの強度測定方法及び偏光板 |
PL3350854T3 (pl) * | 2015-09-18 | 2023-01-30 | Celgard, Llc | Ulepszone membrany, mikroporowate membrany kalandrowane, separatory baterii i związane sposoby |
US10153474B1 (en) * | 2015-09-30 | 2018-12-11 | Apple Inc. | Separators having improved temperature ranges for battery shutdown |
JP5969683B1 (ja) * | 2015-11-30 | 2016-08-17 | 住友化学株式会社 | 非水電解液二次電池用セパレータ、非水電解液二次電池用積層セパレータ、非水電解液二次電池用部材および非水電解液二次電池 |
JP6822070B2 (ja) * | 2016-02-17 | 2021-01-27 | 東ソー株式会社 | 超高分子量ポリエチレン組成物及びそれよりなる延伸微多孔膜 |
JP6878841B2 (ja) * | 2016-03-11 | 2021-06-02 | 東ソー株式会社 | 超高分子量ポリエチレン組成物製セパレータ |
WO2018116295A1 (en) * | 2016-12-19 | 2018-06-28 | StoreDot Ltd. | Layer preparation, treatment, transfer and lamination in cell stack assembly processes for lithium ion batteries |
US10033023B2 (en) | 2016-12-19 | 2018-07-24 | StoreDot Ltd. | Surface activation in electrode stack production and electrode-preparation systems and methods |
US9966591B1 (en) | 2016-12-19 | 2018-05-08 | StoreDot Ltd. | Electrode stack production methods |
JP6986873B2 (ja) * | 2017-06-27 | 2021-12-22 | 住友化学株式会社 | 合成樹脂微多孔フィルム、蓄電デバイス用セパレータ及び蓄電デバイス |
JP6684972B2 (ja) | 2017-08-31 | 2020-04-22 | 旭化成株式会社 | ポリオレフィン微多孔膜 |
JPWO2019073595A1 (ja) * | 2017-10-13 | 2020-10-22 | 株式会社エンビジョンAescエナジーデバイス | リチウムイオン二次電池 |
EP3902623A4 (en) * | 2018-12-27 | 2022-09-21 | 3M Innovative Properties Company | HOLLOW FIBER MEMBRANES WITH NUCLEATING AGENT, METHODS OF MAKING AND USE THEREOF |
CN113226525A (zh) * | 2018-12-27 | 2021-08-06 | 3M创新有限公司 | 非对称中空纤维膜及其制备和使用方法 |
KR102642401B1 (ko) * | 2019-03-13 | 2024-02-28 | 주식회사 엘지화학 | 가교 폴리올레핀 분리막의 제조방법 |
US20220389203A1 (en) * | 2019-10-08 | 2022-12-08 | Asahi Kasei Kabushiki Kaisha | Polyolefin Microporous Membrane |
WO2022006217A1 (en) * | 2020-07-01 | 2022-01-06 | Celanese International Corporation | Polymer composition and membranes made therefrom with improved mechanical strength |
KR102592442B1 (ko) * | 2021-11-26 | 2023-10-25 | 더블유스코프코리아 주식회사 | 분리막 및 그 제조방법 |
CN114883742B (zh) * | 2022-05-17 | 2023-02-28 | 东华大学 | 一种锂离子电池用多孔低收缩聚丙烯隔膜的制备方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2657430B2 (ja) | 1991-01-30 | 1997-09-24 | 東燃株式会社 | ポリオレフィン微多孔膜及びその製造方法 |
JPH1121361A (ja) | 1997-07-07 | 1999-01-26 | Mitsubishi Chem Corp | ポリエチレン樹脂製多孔性フィルム |
JPH1121362A (ja) | 1997-07-07 | 1999-01-26 | Mitsubishi Chem Corp | ポリエチレン樹脂製多孔性フィルム |
US6153133A (en) * | 1997-10-23 | 2000-11-28 | Tonen Chemical Corporation | Method of producing highly permeable microporous polyolefin membrane |
WO1999048959A1 (en) * | 1998-03-24 | 1999-09-30 | Asahi Kasei Kogyo Kabushiki Kaisha | Microporous polyolefin film |
EP1153969B1 (en) * | 1998-10-01 | 2004-02-25 | Tonen Chemical Corporation | Microporous polyolefin film and process for producing the same |
CN1128835C (zh) * | 1999-02-19 | 2003-11-26 | 东燃化学株式会社 | 聚烯烃微多孔膜及其制造方法 |
JP4794098B2 (ja) | 2001-09-28 | 2011-10-12 | 東レ東燃機能膜合同会社 | ポリオレフィン微多孔膜の製造方法 |
JP4195810B2 (ja) | 2002-12-16 | 2008-12-17 | 東燃化学株式会社 | ポリオレフィン微多孔膜及びその製造方法並びに用途 |
DE602004021946D1 (de) * | 2003-09-05 | 2009-08-20 | Tonen Sekiyukagaku Kk | Verfahren zur herstellung einer mikroporösen folie aus thermoplastischem harz |
JP5342775B2 (ja) | 2005-03-31 | 2013-11-13 | 東レバッテリーセパレータフィルム株式会社 | ポリオレフィン微多孔膜の製造方法及びその微多孔膜 |
RU2430772C2 (ru) * | 2005-11-24 | 2011-10-10 | Торей Тонен Спешиалти Сепарейтор Годо Кайса | Микропористая полиолефиновая мембрана, способ ее получения, сепаратор аккумулятора и аккумулятор |
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2008
- 2008-08-29 KR KR1020107007054A patent/KR101477176B1/ko active IP Right Grant
- 2008-08-29 CN CN2008801051183A patent/CN101796108B/zh active Active
- 2008-08-29 WO PCT/JP2008/066030 patent/WO2009028737A1/en active Application Filing
- 2008-08-29 US US12/675,737 patent/US8414663B2/en active Active
- 2008-08-29 JP JP2010508640A patent/JP5497635B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP5497635B2 (ja) | 2014-05-21 |
KR101477176B1 (ko) | 2014-12-29 |
CN101796108A (zh) | 2010-08-04 |
JP2010538097A (ja) | 2010-12-09 |
US20100209745A1 (en) | 2010-08-19 |
KR20100082830A (ko) | 2010-07-20 |
WO2009028737A1 (en) | 2009-03-05 |
US8414663B2 (en) | 2013-04-09 |
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