BRPI0402765A - Pó de subóxido de nióbio - Google Patents

Pó de subóxido de nióbio

Info

Publication number
BRPI0402765A
BRPI0402765A BR0402765-5A BRPI0402765A BRPI0402765A BR PI0402765 A BRPI0402765 A BR PI0402765A BR PI0402765 A BRPI0402765 A BR PI0402765A BR PI0402765 A BRPI0402765 A BR PI0402765A
Authority
BR
Brazil
Prior art keywords
niobium
suboxide powder
niobium suboxide
suboxide
ppm
Prior art date
Application number
BR0402765-5A
Other languages
English (en)
Inventor
Oliver Thomas
Christoph Schnitter
Original Assignee
Starck H C Gmbh
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 Starck H C Gmbh filed Critical Starck H C Gmbh
Publication of BRPI0402765A publication Critical patent/BRPI0402765A/pt
Publication of BRPI0402765B1 publication Critical patent/BRPI0402765B1/pt

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/02—Magnesia
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00—Compounds of niobium
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
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  • Power Engineering (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

"Pó DE SUBóXIDO DE NIóBIO". A presente invenção refere-se a um pó de subóxido de nióbio contendo 100 até 600 ppm de magnésio e/ou 50 até 400 ppm de molibdênio e/ou tungstênio, que é adequado para a preparação de condensadores com uma camada isoladora de pentóxido de nióbio, ânodos de condensadores preparados a partir do pó de subóxido de nióbio, bem como condensadores correspondentes.
BRPI0402765-5B1A 2003-07-15 2004-07-13 pó de subóxido de nióbio, anodo de subóxido de nióbio e capacitor de eletrólito sólido BRPI0402765B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10331891 2003-07-15

Publications (2)

Publication Number Publication Date
BRPI0402765A true BRPI0402765A (pt) 2005-05-31
BRPI0402765B1 BRPI0402765B1 (pt) 2013-07-23

Family

ID=33461924

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0402765-5B1A BRPI0402765B1 (pt) 2003-07-15 2004-07-13 pó de subóxido de nióbio, anodo de subóxido de nióbio e capacitor de eletrólito sólido

Country Status (13)

Country Link
US (2) US7381396B2 (pt)
EP (1) EP1498391B1 (pt)
JP (2) JP2005035885A (pt)
KR (1) KR20050008488A (pt)
CN (2) CN101407338A (pt)
AU (1) AU2004203145B2 (pt)
BR (1) BRPI0402765B1 (pt)
DE (1) DE502004011120D1 (pt)
MX (1) MXPA04006812A (pt)
PT (1) PT1498391E (pt)
RU (1) RU2369563C2 (pt)
TW (1) TWI367262B (pt)
ZA (1) ZA200405532B (pt)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003058410A1 (en) 2001-12-28 2003-07-17 Access Co., Ltd. Usage period management system for applications
BR0307880A (pt) * 2002-02-27 2004-12-28 Stella Chemifa Kabuskiki Kaish Método para purificar um composto de nióbio e/ou um composto de tântalo altamente puro
CN1639069A (zh) * 2002-02-27 2005-07-13 斯特拉化学株式会社 高纯度铌化合物和/或钽化合物的精制方法
EP1498391B1 (de) * 2003-07-15 2010-05-05 H.C. Starck GmbH Niobsuboxidpulver
DE10347702B4 (de) * 2003-10-14 2007-03-29 H.C. Starck Gmbh Sinterkörper auf Basis Niobsuboxid
JP5460961B2 (ja) * 2004-09-30 2014-04-02 キャボット コーポレイション シリカの製造方法
JP2006206428A (ja) * 2004-12-27 2006-08-10 Mitsui Mining & Smelting Co Ltd ニオブ酸化物及びその製造方法
WO2006128687A2 (en) * 2005-06-03 2006-12-07 H.C. Starck Gmbh Niobium suboxides
JP2009505413A (ja) 2005-08-19 2009-02-05 エイブイエックス リミテッド 固体コンデンサおよびその製造方法
GB0517952D0 (en) * 2005-09-02 2005-10-12 Avx Ltd Method of forming anode bodies for solid state capacitors
GB0622463D0 (en) * 2006-11-10 2006-12-20 Avx Ltd Powder modification in the manufacture of solid state capacitor anodes
JP4969233B2 (ja) * 2006-12-20 2012-07-04 三洋電機株式会社 固体電解コンデンサ及び固体電解コンデンサ用のニオブ製陽極リードの製造方法
US8040660B2 (en) * 2007-07-18 2011-10-18 Cabot Corporation High voltage niobium oxides and capacitors containing same
CN100577574C (zh) * 2007-08-25 2010-01-06 宁夏东方钽业股份有限公司 低价氧化铌或铌粉的制备方法
US7760487B2 (en) * 2007-10-22 2010-07-20 Avx Corporation Doped ceramic powder for use in forming capacitor anodes
US7768773B2 (en) * 2008-01-22 2010-08-03 Avx Corporation Sintered anode pellet etched with an organic acid for use in an electrolytic capacitor
US7852615B2 (en) 2008-01-22 2010-12-14 Avx Corporation Electrolytic capacitor anode treated with an organometallic compound
US7760488B2 (en) * 2008-01-22 2010-07-20 Avx Corporation Sintered anode pellet treated with a surfactant for use in an electrolytic capacitor
US7826200B2 (en) * 2008-03-25 2010-11-02 Avx Corporation Electrolytic capacitor assembly containing a resettable fuse
US8094434B2 (en) 2008-04-01 2012-01-10 Avx Corporation Hermetically sealed capacitor assembly
DE102008026304A1 (de) * 2008-06-02 2009-12-03 H.C. Starck Gmbh Verfahren zur Herstellung von Elektrolytkondensatoren mit niedrigem Leckstrom
US8199462B2 (en) * 2008-09-08 2012-06-12 Avx Corporation Solid electrolytic capacitor for embedding into a circuit board
EP2332429B1 (en) * 2008-09-09 2013-07-17 Ndc Corporation Glove and attachment therefor
US20100085685A1 (en) * 2008-10-06 2010-04-08 Avx Corporation Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates
DE102008063853B4 (de) * 2008-12-19 2012-08-30 H.C. Starck Gmbh Kondensatoranode
US8203827B2 (en) * 2009-02-20 2012-06-19 Avx Corporation Anode for a solid electrolytic capacitor containing a non-metallic surface treatment
US8405956B2 (en) * 2009-06-01 2013-03-26 Avx Corporation High voltage electrolytic capacitors
US8279583B2 (en) * 2009-05-29 2012-10-02 Avx Corporation Anode for an electrolytic capacitor that contains individual components connected by a refractory metal paste
US8199461B2 (en) * 2009-05-29 2012-06-12 Avx Corporation Refractory metal paste for solid electrolytic capacitors
US8441777B2 (en) * 2009-05-29 2013-05-14 Avx Corporation Solid electrolytic capacitor with facedown terminations
US8139344B2 (en) * 2009-09-10 2012-03-20 Avx Corporation Electrolytic capacitor assembly and method with recessed leadframe channel
US8194395B2 (en) 2009-10-08 2012-06-05 Avx Corporation Hermetically sealed capacitor assembly
US8125768B2 (en) 2009-10-23 2012-02-28 Avx Corporation External coating for a solid electrolytic capacitor
US8339771B2 (en) 2010-02-19 2012-12-25 Avx Corporation Conductive adhesive for use in a solid electrolytic capacitor
US8619410B2 (en) 2010-06-23 2013-12-31 Avx Corporation Solid electrolytic capacitor for use in high voltage applications
US8125769B2 (en) 2010-07-22 2012-02-28 Avx Corporation Solid electrolytic capacitor assembly with multiple cathode terminations
US8259436B2 (en) 2010-08-03 2012-09-04 Avx Corporation Mechanically robust solid electrolytic capacitor assembly
US8279584B2 (en) 2010-08-12 2012-10-02 Avx Corporation Solid electrolytic capacitor assembly
US8605411B2 (en) 2010-09-16 2013-12-10 Avx Corporation Abrasive blasted conductive polymer cathode for use in a wet electrolytic capacitor
US8199460B2 (en) 2010-09-27 2012-06-12 Avx Corporation Solid electrolytic capacitor with improved anode termination
US8514547B2 (en) 2010-11-01 2013-08-20 Avx Corporation Volumetrically efficient wet electrolytic capacitor
US8824122B2 (en) 2010-11-01 2014-09-02 Avx Corporation Solid electrolytic capacitor for use in high voltage and high temperature applications
US8259435B2 (en) 2010-11-01 2012-09-04 Avx Corporation Hermetically sealed wet electrolytic capacitor
US8355242B2 (en) 2010-11-12 2013-01-15 Avx Corporation Solid electrolytic capacitor element
US8493713B2 (en) 2010-12-14 2013-07-23 Avx Corporation Conductive coating for use in electrolytic capacitors
US8576543B2 (en) 2010-12-14 2013-11-05 Avx Corporation Solid electrolytic capacitor containing a poly(3,4-ethylenedioxythiophene) quaternary onium salt
US8514550B2 (en) 2011-03-11 2013-08-20 Avx Corporation Solid electrolytic capacitor containing a cathode termination with a slot for an adhesive
US8451588B2 (en) 2011-03-11 2013-05-28 Avx Corporation Solid electrolytic capacitor containing a conductive coating formed from a colloidal dispersion
US8582278B2 (en) 2011-03-11 2013-11-12 Avx Corporation Solid electrolytic capacitor with improved mechanical stability
US8947857B2 (en) 2011-04-07 2015-02-03 Avx Corporation Manganese oxide capacitor for use in extreme environments
US9767964B2 (en) 2011-04-07 2017-09-19 Avx Corporation Multi-anode solid electrolytic capacitor assembly
US8300387B1 (en) 2011-04-07 2012-10-30 Avx Corporation Hermetically sealed electrolytic capacitor with enhanced mechanical stability
US8379372B2 (en) 2011-04-07 2013-02-19 Avx Corporation Housing configuration for a solid electrolytic capacitor
US9275799B2 (en) 2011-12-20 2016-03-01 Avx Corporation Wet electrolytic capacitor containing an improved anode
US9576743B2 (en) 2012-01-13 2017-02-21 Avx Corporation Solid electrolytic capacitor with integrated fuse assembly
DE102013101443B4 (de) 2012-03-01 2025-05-28 KYOCERA AVX Components Corporation (n. d. Ges. d. Staates Delaware) Verfahren zum Ausbilden eines Ultrahochspannungs-Festelektrolytkondensators
US8971019B2 (en) 2012-03-16 2015-03-03 Avx Corporation Wet capacitor cathode containing an alkyl-substituted poly(3,4-ethylenedioxythiophene)
JP2013219362A (ja) 2012-04-11 2013-10-24 Avx Corp 過酷な条件下で強化された機械的安定性を有する固体電解コンデンサ
US9776281B2 (en) 2012-05-30 2017-10-03 Avx Corporation Notched lead wire for a solid electrolytic capacitor
JP5933397B2 (ja) 2012-08-30 2016-06-08 エイヴィーエックス コーポレイション 固体電解コンデンサの製造方法および固体電解コンデンサ
GB2512480B (en) 2013-03-13 2018-05-30 Avx Corp Solid electrolytic capacitor for use in extreme conditions
GB2512481B (en) 2013-03-15 2018-05-30 Avx Corp Wet electrolytic capacitor for use at high temperatures
US9324503B2 (en) 2013-03-15 2016-04-26 Avx Corporation Solid electrolytic capacitor
US9240285B2 (en) 2013-04-29 2016-01-19 Avx Corporation Multi-notched anode for electrolytic capacitor
GB2517019B (en) 2013-05-13 2018-08-29 Avx Corp Solid electrolytic capacitor containing conductive polymer particles
US9472350B2 (en) 2013-05-13 2016-10-18 Avx Corporation Solid electrolytic capacitor containing a multi-layered adhesion coating
GB2514486B (en) 2013-05-13 2018-08-29 Avx Corp Solid electrolytic capacitor containing a pre-coat layer
US9236192B2 (en) 2013-08-15 2016-01-12 Avx Corporation Moisture resistant solid electrolytic capacitor assembly
US9269499B2 (en) 2013-08-22 2016-02-23 Avx Corporation Thin wire/thick wire lead assembly for electrolytic capacitor
CN103936072B (zh) * 2014-04-29 2015-08-26 从化钽铌冶炼厂 一种直接利用分解上清液生产晶体级高纯氧化铌的工艺
US9916935B2 (en) 2014-11-07 2018-03-13 Avx Corporation Solid electrolytic capacitor with increased volumetric efficiency
US9620293B2 (en) 2014-11-17 2017-04-11 Avx Corporation Hermetically sealed capacitor for an implantable medical device
US9892860B2 (en) 2014-11-24 2018-02-13 Avx Corporation Capacitor with coined lead frame
US10290430B2 (en) 2014-11-24 2019-05-14 Avx Corporation Wet Electrolytic Capacitor for an Implantable Medical Device
US9837216B2 (en) 2014-12-18 2017-12-05 Avx Corporation Carrier wire for solid electrolytic capacitors
CN104495929B (zh) * 2014-12-26 2020-03-31 宁夏东方钽业股份有限公司 低价氧化铌粉末及其制备方法
US9620294B2 (en) 2014-12-30 2017-04-11 Avx Corporation Wet electrolytic capacitor containing a recessed planar anode and a restraint
US10014108B2 (en) 2015-03-13 2018-07-03 Avx Corporation Low profile multi-anode assembly
US9754730B2 (en) 2015-03-13 2017-09-05 Avx Corporation Low profile multi-anode assembly in cylindrical housing
US9928963B2 (en) 2015-03-13 2018-03-27 Avx Corporation Thermally conductive encapsulant material for a capacitor assembly
US10297393B2 (en) 2015-03-13 2019-05-21 Avx Corporation Ultrahigh voltage capacitor assembly
US9842704B2 (en) 2015-08-04 2017-12-12 Avx Corporation Low ESR anode lead tape for a solid electrolytic capacitor
US9905368B2 (en) 2015-08-04 2018-02-27 Avx Corporation Multiple leadwires using carrier wire for low ESR electrolytic capacitors
JP6269645B2 (ja) * 2015-12-04 2018-01-31 トヨタ自動車株式会社 活物質複合体の製造方法
US9545008B1 (en) 2016-03-24 2017-01-10 Avx Corporation Solid electrolytic capacitor for embedding into a circuit board
US9907176B2 (en) 2016-03-28 2018-02-27 Avx Corporation Solid electrolytic capacitor module with improved planarity
US9870869B1 (en) 2016-06-28 2018-01-16 Avx Corporation Wet electrolytic capacitor
US9870868B1 (en) 2016-06-28 2018-01-16 Avx Corporation Wet electrolytic capacitor for use in a subcutaneous implantable cardioverter-defibrillator
IL265419B2 (en) 2016-09-22 2024-03-01 Kyocera Avx Components Corp An electrolytic capacitor containing a metal valve derived from a free mine site and a method of making it
US10431389B2 (en) 2016-11-14 2019-10-01 Avx Corporation Solid electrolytic capacitor for high voltage environments
DE112018004392T5 (de) 2017-09-21 2020-05-14 Avx Corporation Elektronisches bauteil, enthaltend eine metallkomponente, die aus einem konfliktfreien bergwerksstandort bezogen wurde, und ein verfahren zu dessen ausbildung
US11081288B1 (en) 2018-08-10 2021-08-03 Avx Corporation Solid electrolytic capacitor having a reduced anomalous charging characteristic
US11380492B1 (en) 2018-12-11 2022-07-05 KYOCERA AVX Components Corporation Solid electrolytic capacitor
CN113728408B (zh) 2019-04-25 2024-03-08 京瓷Avx元器件(曼谷)有限公司 固态电解电容器
WO2020236579A1 (en) 2019-05-17 2020-11-26 Avx Corporation Solid electrolytic capacitor
US11756742B1 (en) 2019-12-10 2023-09-12 KYOCERA AVX Components Corporation Tantalum capacitor with improved leakage current stability at high temperatures
US11763998B1 (en) 2020-06-03 2023-09-19 KYOCERA AVX Components Corporation Solid electrolytic capacitor
CN116568636A (zh) * 2020-12-08 2023-08-08 Dic株式会社 氧化铌颗粒及氧化铌颗粒的制造方法
DE102021201568A1 (de) * 2021-02-18 2022-08-18 Taniobis Gmbh Alkaliniobat für piezoelektrische Anwendungen
US12512274B2 (en) 2022-08-26 2025-12-30 KYOCERA AVX Components Corporation Wet electrolytic capacitor containing a gelled working electrolyte
WO2025254804A1 (en) * 2024-06-05 2025-12-11 Heraeus Covantics North America Llc Process for producing a sintered layered body by controlling the carbon content of a powder employed

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5242481A (en) * 1989-06-26 1993-09-07 Cabot Corporation Method of making powders and products of tantalum and niobium
RU2160709C2 (ru) * 1996-04-01 2000-12-20 Общество с ограниченной ответственностью "ТАНТАЛ" Способ получения пятиокисей тантала и ниобия
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
WO2000067936A1 (en) * 1998-05-06 2000-11-16 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
US6171363B1 (en) * 1998-05-06 2001-01-09 H. C. Starck, Inc. Method for producing tantallum/niobium metal powders by the reduction of their oxides with gaseous magnesium
US6462934B2 (en) * 1998-09-16 2002-10-08 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
US6322912B1 (en) * 1998-09-16 2001-11-27 Cabot Corporation Electrolytic capacitor anode of valve metal oxide
US6416730B1 (en) * 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
US6558447B1 (en) 1999-05-05 2003-05-06 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
CN1317723C (zh) * 2000-03-23 2007-05-23 卡伯特公司 氧还原的铌氧化物电容器阳极及其制备方法
US6652619B2 (en) * 2000-08-10 2003-11-25 Showa Denko K.K. Niobium powder, sintered body thereof, and capacitor using the same
EP1324359B2 (en) * 2000-08-10 2017-10-04 Showa Denko K.K. Niobium powder, sinter thereof, and capacitor employing the same
DE10041901A1 (de) * 2000-08-25 2002-03-07 Starck H C Gmbh Kondensatoranode auf Basis Niob
US20030104923A1 (en) 2001-05-15 2003-06-05 Showa Denko K.K. Niobium oxide powder, niobium oxide sintered body and capacitor using the sintered body
CA2419291A1 (en) * 2001-05-15 2002-11-21 Showa Denko K.K. Niobium powder, niobium sintered body and capacitor using the sintered body
US7737066B2 (en) 2001-05-15 2010-06-15 Showa Denko K.K. Niobium monoxide powder, niobium monoxide sintered body and capacitor using the sintered body
US7157073B2 (en) * 2003-05-02 2007-01-02 Reading Alloys, Inc. Production of high-purity niobium monoxide and capacitor production therefrom
EP1498391B1 (de) * 2003-07-15 2010-05-05 H.C. Starck GmbH Niobsuboxidpulver

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ZA200405532B (en) 2005-09-28
KR20050008488A (ko) 2005-01-21
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CN1576235A (zh) 2005-02-09
US20050013765A1 (en) 2005-01-20
US7381396B2 (en) 2008-06-03
DE502004011120D1 (de) 2010-06-17
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EP1498391A1 (de) 2005-01-19
US7618610B2 (en) 2009-11-17
EP1498391B1 (de) 2010-05-05
US20080291605A1 (en) 2008-11-27
AU2004203145A1 (en) 2005-02-03
RU2369563C2 (ru) 2009-10-10
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