CN101522720B - 通过聚合单体溶液液滴而制备吸水性聚合物珠粒的方法 - Google Patents

通过聚合单体溶液液滴而制备吸水性聚合物珠粒的方法 Download PDF

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Publication number
CN101522720B
CN101522720B CN2007800374563A CN200780037456A CN101522720B CN 101522720 B CN101522720 B CN 101522720B CN 2007800374563 A CN2007800374563 A CN 2007800374563A CN 200780037456 A CN200780037456 A CN 200780037456A CN 101522720 B CN101522720 B CN 101522720B
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monomer
water
monomer solution
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CN101522720A (zh
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D·勒施
M·克鲁格
A·施塔默
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BASF SE
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/04—Polymerisation in solution
    • C08F2/10—Aqueous solvent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/18—Suspension polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/93—Water swellable or hydrophilic

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
CN2007800374563A 2006-10-05 2007-10-02 通过聚合单体溶液液滴而制备吸水性聚合物珠粒的方法 Expired - Fee Related CN101522720B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06121840.0 2006-10-05
EP06121840 2006-10-05
PCT/EP2007/060418 WO2008040715A2 (de) 2006-10-05 2007-10-02 Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung

Publications (2)

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CN101522720A CN101522720A (zh) 2009-09-02
CN101522720B true CN101522720B (zh) 2012-05-30

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US (1) US8013087B2 (cg-RX-API-DMAC7.html)
EP (1) EP2079763B2 (cg-RX-API-DMAC7.html)
JP (1) JP5517622B2 (cg-RX-API-DMAC7.html)
CN (1) CN101522720B (cg-RX-API-DMAC7.html)
AT (1) ATE491729T1 (cg-RX-API-DMAC7.html)
DE (1) DE502007005986D1 (cg-RX-API-DMAC7.html)
WO (1) WO2008040715A2 (cg-RX-API-DMAC7.html)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2125047B1 (de) * 2006-12-22 2015-09-16 Basf Se Verfahren zur herstellung mechanisch stabiler wasserabsorbierender polymerpartikel
CN101583633B (zh) 2007-01-16 2014-11-26 巴斯夫欧洲公司 通过在气相中液滴聚合而生产聚合物颗粒的方法
JP5436427B2 (ja) * 2007-08-30 2014-03-05 ビーエーエスエフ ソシエタス・ヨーロピア モノマー溶液の液滴の重合による吸水性ポリマー粒子の製造方法
EP2297211B1 (de) 2008-07-07 2012-12-26 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung
CN102655950B (zh) 2009-02-18 2015-05-13 巴斯夫欧洲公司 制备吸水聚合物颗粒的方法
US20100247916A1 (en) 2009-03-24 2010-09-30 Basf Se Process for Producing Surface Postcrosslinked Water-Absorbing Polymer Particles
CN102414226B (zh) 2009-04-30 2013-07-03 巴斯夫欧洲公司 去除金属杂质的方法
WO2010133529A2 (de) 2009-05-20 2010-11-25 Basf Se Wasserabsorbierende speicherschichten
JP5615364B2 (ja) 2009-08-26 2014-10-29 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 臭気を抑制する組成物
US8481159B2 (en) 2009-09-04 2013-07-09 Basf Se Water-absorbent porous polymer particles having specific sphericity and high bulk density
EP2486084B1 (de) 2009-10-09 2016-03-23 Basf Se Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel
JP5794991B2 (ja) 2009-10-09 2015-10-14 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 吸水性ポリマー粒子を製造するための加熱蒸気凝縮物の使用
JP5850841B2 (ja) 2009-10-09 2016-02-03 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 表面後架橋された吸水性ポリマー粒子の後給湿方法
WO2011061125A2 (de) 2009-11-23 2011-05-26 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel mit verbesserter farbstabilität
JP6141020B2 (ja) 2010-01-27 2017-06-07 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 臭気抑制吸水性複合材
US8703876B2 (en) 2010-03-15 2014-04-22 Basf Se Process for producing water absorbing polymer particles with improved color stability
US8852742B2 (en) * 2010-03-15 2014-10-07 Basf Se Water absorbent polymer particles formed by polymerizing droplets of a monomer solution and coated with sulfinic acid, sulfonic acid, and/or salts thereof
JP2013522403A (ja) 2010-03-15 2013-06-13 ビーエーエスエフ ソシエタス・ヨーロピア モノマー溶液の液滴の重合による水吸収ポリマー粒子の製造方法
EP2550306B1 (en) * 2010-03-24 2014-07-02 Basf Se A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution
JP5940051B2 (ja) 2010-03-24 2016-06-29 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 超薄型流体吸収性コア
CN102906124B (zh) 2010-03-24 2014-12-17 巴斯夫欧洲公司 从吸水性聚合物颗粒中移除残余单体的方法
JP2013523903A (ja) 2010-03-25 2013-06-17 ビーエーエスエフ ソシエタス・ヨーロピア 吸水性ポリマー粒子の製造方法
WO2011131526A1 (de) 2010-04-19 2011-10-27 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel
EP2580256A2 (de) 2010-06-14 2013-04-17 Basf Se Wasserabsorbierende polymerpartikel mit verbesserter farbstabilität
US9962459B2 (en) 2010-07-02 2018-05-08 Basf Se Ultrathin fluid-absorbent cores
US9089624B2 (en) 2010-08-23 2015-07-28 Basf Se Ultrathin fluid-absorbent cores comprising adhesive and having very low dry SAP loss
WO2012107344A1 (de) 2011-02-07 2012-08-16 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel
CN103347548B (zh) 2011-02-07 2017-09-19 巴斯夫欧洲公司 具有高溶胀速度的吸水性聚合物颗粒的制备方法
EP2683760B1 (de) 2011-03-08 2018-02-28 Basf Se Verfahren zur herstellung von wasserabsorbierenden polymerpartikeln mit verbesserter permeabilität
DE112012002289A5 (de) 2011-06-01 2014-03-13 Basf Se Geruchsinhibierende Mischungen für Inkontinenzartikel
EP2714755B1 (de) 2011-06-03 2017-04-26 Basf Se Verfahren zur kontinuierlichen herstellung wasserabsorbierender polymerpartikel
WO2012163930A1 (de) 2011-06-03 2012-12-06 Basf Se Verfahren zur kontinuierlichen herstellung wasserabsorbierender polymerpartikel
CN103649130B (zh) 2011-07-14 2016-03-02 巴斯夫欧洲公司 制备具有高溶胀速度的吸水性聚合物颗粒的方法
WO2013045163A1 (en) 2011-08-12 2013-04-04 Basf Se A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution
WO2013056978A2 (en) 2011-10-18 2013-04-25 Basf Se Fluid-absorbent article
EP2586409A1 (en) 2011-10-24 2013-05-01 Bostik SA New absorbent article and process for making it
EP2586412A1 (en) 2011-10-24 2013-05-01 Bostik SA New absorbent article and process for making it
EP2586410A1 (en) 2011-10-24 2013-05-01 Bostik SA Novel process for preparing an absorbent article
JP2015512990A (ja) 2012-03-30 2015-04-30 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 逆スクリューヘリックスを備えたドラム型熱交換器中で熱表面後架橋する方法
JP2015514841A (ja) 2012-04-17 2015-05-21 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 表面後架橋された吸水性ポリマー粒子の製造法
JP2015514842A (ja) 2012-04-17 2015-05-21 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 表面後架橋された吸水性ポリマー粒子の製造法
EP2859039A2 (en) 2012-06-08 2015-04-15 Basf Se Odour-control superabsorbent
WO2014005860A1 (de) 2012-07-03 2014-01-09 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel mit verbessertem eigenschaftsprofil
WO2014019813A1 (de) 2012-07-30 2014-02-06 Basf Se Geruchsinhibierende mischungen für inkontinenzartikel
JP2014094409A (ja) * 2012-10-10 2014-05-22 Nippon Light Metal Co Ltd 伝熱板の製造方法及び摩擦攪拌接合方法
SG11201503955XA (en) 2012-11-21 2015-06-29 Basf Se A process for producing surface-postcrosslinked water-absorbent polymer particles
US9822197B2 (en) 2012-11-26 2017-11-21 Basf Se Method for producing superabsorbers based on renewable raw materials
JP2016535646A (ja) 2013-08-26 2016-11-17 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 流体吸収性製品
WO2015036273A1 (de) 2013-09-12 2015-03-19 Basf Se Verfahren zur herstellung von acrylsäure
CN106573217B (zh) 2014-06-23 2019-08-06 巴斯夫欧洲公司 用于将单体溶液的微滴引入到反应器内的设备
EP3157661B1 (de) 2014-06-23 2023-08-30 Basf Se Vorrichtung zur zugabe von tropfen aus einer monomerlösung in einen reaktor
EP2995322B1 (de) 2014-09-15 2017-03-01 Evonik Degussa GmbH Geruchsadsorptionsmittel
EP2995323B1 (de) 2014-09-15 2019-02-27 Evonik Degussa GmbH Aminopolycarboxylsäuren als Prozesshilfsmittel bei der Superabsorberherstellung
EP3009474B1 (de) 2014-10-16 2017-09-13 Evonik Degussa GmbH Herstellverfahren für wasserlösliche Polymere
WO2016135020A1 (de) 2015-02-24 2016-09-01 Basf Se Verfahren zur kontinuierlichen dehydratisierung von 3-hydroxypropionsäure zu acrylsäure
WO2016162238A1 (de) 2015-04-07 2016-10-13 Basf Se Verfahren zur herstellung von superabsorberpartikeln
US10835634B2 (en) 2015-04-07 2020-11-17 Basf Se Method for the agglomeration of superabsorber particles
WO2016162175A1 (de) 2015-04-07 2016-10-13 Basf Se Verfahren zur dehydratisierung von 3-hydroxypropionsäure zu acrylsäure
US10335756B2 (en) 2015-04-08 2019-07-02 Basf Se Apparatus for introduction of droplets into a reactor
WO2016169909A1 (de) 2015-04-21 2016-10-27 Basf Se Vorrichtung zur herstellung von pulverförmigem poly(meth)acrylat
KR102597114B1 (ko) 2015-05-08 2023-11-01 바스프 에스이 물 흡수성 폴리머 입자들을 제조하기 위한 제조 방법 및 벨트 건조기
WO2016207444A1 (en) 2015-06-26 2016-12-29 Bostik Inc. New absorbent article comprising an acquisition/distribution layer and process for making it
WO2017085081A1 (de) 2015-11-17 2017-05-26 Basf Se Vorrichtung zur herstellung von pulverförmigem poly(meth)acrylat
CN108348883A (zh) 2015-11-17 2018-07-31 巴斯夫欧洲公司 用于制备粉末形式的聚(甲基)丙烯酸酯的设备
US10806640B2 (en) 2016-03-30 2020-10-20 Basf Se Ultrathin fluid-absorbent article
US20170281425A1 (en) 2016-03-30 2017-10-05 Basf Se Fluid-absorbent article
US10881555B2 (en) 2016-03-30 2021-01-05 Basf Se Fluid-absorbent article
CN110248631B (zh) 2017-02-06 2021-12-10 巴斯夫欧洲公司 流体吸收制品
JP7247094B2 (ja) 2017-02-17 2023-03-28 ビーエーエスエフ ソシエタス・ヨーロピア 流体吸収性物品
WO2018158191A1 (de) 2017-03-01 2018-09-07 Basf Se Vorrichtung und verfahren zur herstellung von pulverförmigen polymeren
KR102563402B1 (ko) 2017-07-12 2023-08-04 바스프 에스이 고흡수성 중합체 입자 제조 방법
US11883848B2 (en) 2017-07-31 2024-01-30 Basf Se Classification process for superabsorbent polymer particles
WO2019201668A1 (en) 2018-04-20 2019-10-24 Basf Se Thin fluid absorbent core-absorbent paper
CN112638337B (zh) 2018-08-01 2023-01-20 巴斯夫欧洲公司 女性卫生吸收制品
CN112512476A (zh) 2018-08-01 2021-03-16 巴斯夫欧洲公司 流体吸收芯
WO2021214224A1 (en) 2020-04-24 2021-10-28 Basf Se Apparatus for producing a pulverulent product and use thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567478A (en) * 1994-06-09 1996-10-22 Chemische Fabrik Stockhausen Gmbh Process for producing a water-absorbing sheet material and the use thereof

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0348180A3 (en) 1988-06-22 1991-01-30 Mitsubishi Petrochemical Company Limited Process for the preparation of water absorptive resin
US6291605B1 (en) * 1990-06-06 2001-09-18 Clarence S. Freeman Polymerization process with spraying step
US5269980A (en) 1991-08-05 1993-12-14 Northeastern University Production of polymer particles in powder form using an atomization technique
JP3145156B2 (ja) 1991-11-13 2001-03-12 日揮株式会社 噴霧重合法及び噴霧重合用ノズル
JPH08208747A (ja) * 1995-01-31 1996-08-13 Mitsubishi Rayon Co Ltd メタクリル酸エステル系重合体の連続的製造方法
IN1996KO01040A (cg-RX-API-DMAC7.html) 1995-06-07 2005-03-04 Clarence S Freeman
JPH09255704A (ja) * 1996-03-26 1997-09-30 Kao Corp ポリマーの製造方法及び噴霧重合用ノズル
DE10314466A1 (de) 2003-03-28 2004-10-14 Basf Ag Verfahren zur Herstellung von kondensierten Harzen in Pulverform
DE10340253A1 (de) * 2003-08-29 2005-03-24 Basf Ag Sprühpolymerisationsverfahren
DE102004024437A1 (de) * 2004-05-14 2005-12-08 Basf Ag Verfahren zur Herstellung wasserquellbarer, polymerer Partikel
DE102004042948A1 (de) * 2004-09-02 2006-03-09 Basf Ag Verfahren zur Herstellung von Polymeren durch Sprühpolymerisation
DE102005002412A1 (de) 2005-01-18 2006-07-27 Basf Ag Verfahren zur Herstellung von Polymeren durch Sprühpolymerisation
JP5101300B2 (ja) * 2005-01-28 2012-12-19 ビーエーエスエフ ソシエタス・ヨーロピア 気相中での液滴重合によって、吸水性ポリマー粒子を製造する方法
EP1721661A1 (de) 2005-05-12 2006-11-15 Basf Aktiengesellschaft Verfahren zur Herstellung von Polymerpartikeln durch Sprühpolymerisation
WO2007093531A1 (de) * 2006-02-17 2007-08-23 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung
RU2463310C2 (ru) * 2006-07-19 2012-10-10 Басф Се Способ получения водопоглощающих полимерных частиц с высокой проницаемостью путем полимеризации капель мономерного раствора
MY150001A (en) 2006-07-19 2013-11-15 Basf Se Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerising droplets of a monomer solution
CN101489597A (zh) * 2006-07-19 2009-07-22 巴斯夫欧洲公司 通过聚合单体溶液的微滴而生产吸水性聚合物颗粒的方法
US8748000B2 (en) 2006-07-19 2014-06-10 Basf Se Method for producing water-absorbent polymer particles with a higher permeability by polymerizing droplets of a monomer solution

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567478A (en) * 1994-06-09 1996-10-22 Chemische Fabrik Stockhausen Gmbh Process for producing a water-absorbing sheet material and the use thereof

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Publication number Publication date
JP2010505986A (ja) 2010-02-25
DE502007005986D1 (de) 2011-01-27
EP2079763B1 (de) 2010-12-15
ATE491729T1 (de) 2011-01-15
WO2008040715A3 (de) 2008-05-22
WO2008040715A2 (de) 2008-04-10
EP2079763B2 (de) 2017-03-01
US20100010176A1 (en) 2010-01-14
JP5517622B2 (ja) 2014-06-11
US8013087B2 (en) 2011-09-06
EP2079763A2 (de) 2009-07-22
CN101522720A (zh) 2009-09-02

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