DE69829994D1 - Verfahren zur reinigung von lithiumcarbonat - Google Patents

Verfahren zur reinigung von lithiumcarbonat

Info

Publication number
DE69829994D1
DE69829994D1 DE69829994T DE69829994T DE69829994D1 DE 69829994 D1 DE69829994 D1 DE 69829994D1 DE 69829994 T DE69829994 T DE 69829994T DE 69829994 T DE69829994 T DE 69829994T DE 69829994 D1 DE69829994 D1 DE 69829994D1
Authority
DE
Germany
Prior art keywords
lithium carbonate
cleaning lithium
cleaning
carbonate
lithium
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.)
Expired - Fee Related
Application number
DE69829994T
Other languages
English (en)
Other versions
DE69829994T2 (de
Inventor
Kamyab Shawinigan Amouzegar
Stephen Harrison
Amant Guy St
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.)
LIMTECH CARBONATE Inc
Original Assignee
LIMTECH CARBONATE Inc
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 LIMTECH CARBONATE Inc filed Critical LIMTECH CARBONATE Inc
Publication of DE69829994D1 publication Critical patent/DE69829994D1/de
Application granted granted Critical
Publication of DE69829994T2 publication Critical patent/DE69829994T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10—Obtaining alkali metals
    • C22B26/12—Obtaining lithium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D15/00—Lithium compounds
    • C01D15/08—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • 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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
DE69829994T 1997-12-09 1998-12-07 Verfahren zur reinigung von lithiumcarbonat Expired - Fee Related DE69829994T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US6916597P 1997-12-09 1997-12-09
US69165P 1997-12-09
US143330 1998-08-28
US09/143,330 US6048507A (en) 1997-12-09 1998-08-28 Process for the purification of lithium carbonate
PCT/CA1998/001132 WO1999029624A1 (en) 1997-12-09 1998-12-07 Process for the purification of lithium carbonate

Publications (2)

Publication Number Publication Date
DE69829994D1 true DE69829994D1 (de) 2005-06-02
DE69829994T2 DE69829994T2 (de) 2006-02-23

Family

ID=26749755

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69829994T Expired - Fee Related DE69829994T2 (de) 1997-12-09 1998-12-07 Verfahren zur reinigung von lithiumcarbonat

Country Status (10)

Country Link
US (2) US6048507A (de)
EP (1) EP1037854B1 (de)
JP (1) JP3671148B2 (de)
AR (1) AR014121A1 (de)
AT (1) ATE294139T1 (de)
AU (1) AU747295B2 (de)
CA (1) CA2313524C (de)
DE (1) DE69829994T2 (de)
NZ (1) NZ504956A (de)
WO (1) WO1999029624A1 (de)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19809420A1 (de) * 1998-03-05 1999-09-09 Basf Ag Verfahren zur Herstellung von hochreinen Lithiumsalzen
US7157065B2 (en) * 1998-07-16 2007-01-02 Chemetall Foote Corporation Production of lithium compounds directly from lithium containing brines
US6143260A (en) * 1998-07-16 2000-11-07 Chemetall Foote Corporation Method for removing magnesium from brine to yield lithium carbonate
US6207126B1 (en) 1998-07-16 2001-03-27 Chemetall Foote Corporation Recovery of lithium compounds from brines
US6921522B2 (en) * 1998-07-16 2005-07-26 Chemetall Foote Corporation Production of lithium compounds directly from lithium containing brines
US7390466B2 (en) * 1999-07-14 2008-06-24 Chemetall Foote Corporation Production of lithium compounds directly from lithium containing brines
SE0001607D0 (sv) * 2000-05-03 2000-05-03 Bozena Nenna Olsson Återvinningsmetod och anläggning därför
US20030113622A1 (en) * 2001-12-14 2003-06-19 Blasi Jane A. Electrolyte additive for non-aqueous electrochemical cells
US20030162099A1 (en) * 2002-02-28 2003-08-28 Bowden William L. Non-aqueous electrochemical cell
US20060171869A1 (en) * 2003-11-12 2006-08-03 Anovitz Lawrence M Method of extracting lithium
US7588741B2 (en) * 2004-03-30 2009-09-15 Dunn Jr Wendell E Cyclical vacuum chlorination processes, including lithium extraction
US7285356B2 (en) * 2004-07-23 2007-10-23 The Gillette Company Non-aqueous electrochemical cells
US7479348B2 (en) * 2005-04-08 2009-01-20 The Gillette Company Non-aqueous electrochemical cells
CN102099296A (zh) 2008-07-18 2011-06-15 里肯锂有限公司 从盐水中回收锂的方法
FI121785B (fi) * 2009-03-11 2011-04-15 Outotec Oyj Menetelmä litiumbikarbonaatin puhdistamiseksi
US9051827B1 (en) 2009-09-02 2015-06-09 Simbol Mining Corporation Selective removal of silica from silica containing brines
US8741256B1 (en) 2009-04-24 2014-06-03 Simbol Inc. Preparation of lithium carbonate from lithium chloride containing brines
US10190030B2 (en) 2009-04-24 2019-01-29 Alger Alternative Energy, Llc Treated geothermal brine compositions with reduced concentrations of silica, iron and lithium
US9034294B1 (en) 2009-04-24 2015-05-19 Simbol, Inc. Preparation of lithium carbonate from lithium chloride containing brines
US8637428B1 (en) 2009-12-18 2014-01-28 Simbol Inc. Lithium extraction composition and method of preparation thereof
US10935006B2 (en) 2009-06-24 2021-03-02 Terralithium Llc Process for producing geothermal power, selective removal of silica and iron from brines, and improved injectivity of treated brines
DK2322473T3 (da) * 2009-10-15 2012-08-20 Sued Chemie Ip Gmbh & Co Kg Fremgangsmåde til fjernelse af et partikulært forurenende materiale fra et partikulært blandet lithiummetal phosphatmateriale
US9403128B2 (en) * 2009-12-03 2016-08-02 Lawrence Livermore National Security, Llc Nanoengineered field induced charge separation membranes manufacture thereof
WO2011082444A1 (en) * 2010-01-07 2011-07-14 Galaxy Resources Limited Process for the production of lithium carbonate
CA2789771C (en) 2010-02-17 2022-06-14 Simbol Mining Corp. Highly pure lithium carbonate prepared using reverse osmosis
US8431005B1 (en) 2010-06-24 2013-04-30 Western Lithium Corporation Production of lithium and potassium compounds
KR101158526B1 (ko) * 2010-06-28 2012-06-21 한국광물자원공사 회수율이 향상된 고순도 탄산리튬 제조방법
CN102408119A (zh) * 2010-09-20 2012-04-11 华东理工大学 一种采用溶析-反应结晶制备碳酸锂超细粉体的方法
CN102408120B (zh) * 2010-09-20 2014-01-01 华东理工大学 一种制备高纯碳酸锂超细微粉的方法
JP5481450B2 (ja) * 2010-09-27 2014-04-23 Ｊｘ日鉱日石金属株式会社 炭酸リチウムの精製方法
KR101165453B1 (ko) 2010-12-22 2012-07-12 재단법인 포항산업과학연구원 염수로부터 고순도 탄산리튬을 제조하는 방법
CN102020295B (zh) * 2010-12-22 2012-07-25 四川天齐锂业股份有限公司 高纯碳酸锂的制备方法
AU2011236094B2 (en) 2011-01-20 2012-11-29 Rockwood Lithium Inc. Production of high purity lithium compounds directly from lithium containing brines
AT511123B1 (de) * 2011-03-04 2013-01-15 A L P Technology Ag Metalltrennungsverfahren
SG10201605021PA (en) 2011-06-21 2016-08-30 Entegris Inc Method for the recovery of lithium cobalt oxide from lithium ion batteries
AU2011376865A1 (en) * 2011-09-15 2013-05-02 Orocobre Limited Process for producing lithium carbonate from concentrated lithium brine
CN102432044B (zh) * 2011-09-26 2013-02-13 江苏海龙锂业科技有限公司 从高镁锂比盐湖卤水中提取超高纯度碳酸锂的方法
CN102432046B (zh) * 2011-09-26 2013-02-13 江苏海龙锂业科技有限公司 一种氯化物型盐湖卤水的利用方法
AR083538A1 (es) 2011-10-24 2013-03-06 Minera Exar S A Produccion de carbonato de litio de alta pureza grado de bateria a partir de salmueras naturales o industriales
US9255012B2 (en) 2012-03-19 2016-02-09 Outotec (Finland) Oy Method for recovering lithium carbonate
AU2013252439B2 (en) 2012-04-23 2018-04-19 Nemaska Lithium Inc. Processes for preparing lithium hydroxide
CA2874917C (en) 2012-05-30 2016-06-21 Nemaska Lithium Inc. Processes for preparing lithium carbonate
FI124088B (fi) * 2012-06-05 2014-03-14 Outotec Oyj Menetelmä ja laitteisto puhtaan litiumpitoisen liuoksen valmistamiseksi
EP2971252B1 (de) 2013-03-15 2020-12-30 Nemaska Lithium Inc. Verfahren zur herstellung von lithiumhydroxid
CA2928224C (en) 2013-10-23 2018-02-27 Nemaska Lithium Inc. Processes for preparing lithium carbonate
US10036094B2 (en) 2013-10-23 2018-07-31 Nemaska Lithium Inc. Processes and systems for preparing lithium hydroxide
CN103708508B (zh) * 2014-01-17 2015-12-30 长沙有色冶金设计研究院有限公司 一种从锂精矿生产电池级碳酸锂的方法
CN103833053B (zh) * 2014-01-21 2015-12-30 四川天齐锂业股份有限公司 制备5n级高纯碳酸锂的方法
DE102014202593A1 (de) 2014-02-13 2015-08-13 Siemens Aktiengesellschaft Umwandlung von Metallcarbonat in Metallchlorid
DE102014202591A1 (de) 2014-02-13 2015-08-13 Siemens Aktiengesellschaft Umwandlung von Metallcarbonat in Metallchlorid
WO2015123762A1 (en) * 2014-02-24 2015-08-27 Nemaska Lithium Inc. Methods for treating lithium-containing materials
CN104355327A (zh) * 2014-09-30 2015-02-18 上海贺鸿电子有限公司 高纯碳酸锂的制备方法
DE102015203395A1 (de) 2015-02-25 2016-08-25 Technische Universität Bergakademie Freiberg Verfahren zur elektrodialytischen Herstellung von Lithiumhydroxid aus verunreinigten lithiumhaltigen wässrigen Diluaten
JP2015157753A (ja) * 2015-04-07 2015-09-03 シンボル インコーポレイテッド 塩化リチウムから炭酸リチウムを製造する方法
CA2996651C (en) 2015-08-27 2021-06-01 Nemaska Lithium Inc. Method for preparing lithium hydroxide and lithium sulfate monohydrate using hydrogen depolarized anode
DE102015221759A1 (de) 2015-11-05 2017-05-11 Technische Universität Bergakademie Freiberg Verfahren zur CO2-Behandlung von getemperten lithiumhaltigen Materialien zur Herstellung von Lithiumcarbonat
DE102016208407B4 (de) 2016-05-17 2021-12-30 Technische Universität Bergakademie Freiberg Verfahren zur Gewinnung von Lithiumcarbonat aus lithiumhaltigen Akkumulatorenrückständen mittels CO2-Behandlung
FI128092B (en) 2016-06-01 2019-09-13 Keliber Oy Process for the preparation of non-conductive lithium metal phosphates
CA2940509A1 (en) 2016-08-26 2018-02-26 Nemaska Lithium Inc. Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid
US10315926B2 (en) * 2017-02-09 2019-06-11 U.S. Department Of Energy Selective lithium recovery as lithium carbonate from natural brines
AU2018228271B2 (en) * 2017-03-01 2021-07-29 Novalith Technologies Pty Ltd Lithium extraction method
US10604414B2 (en) 2017-06-15 2020-03-31 Energysource Minerals Llc System and process for recovery of lithium from a geothermal brine
US11769906B2 (en) 2017-09-14 2023-09-26 Ampcera Inc. Systems and methods for selectively extracting alkaline metals from metal-rich solutions using solid state ionic conductive electrolyte membrane
US20200263277A1 (en) * 2017-11-09 2020-08-20 US Borax, Inc. Mineral Recovery Process
US11142466B2 (en) 2017-11-22 2021-10-12 Nemaska Lithium Inc. Processes for preparing hydroxides and oxides of various metals and derivatives thereof
JP7427598B2 (ja) 2018-02-28 2024-02-05 ライラック ソリューションズ，インク． リチウム抽出用の粒子トラップを備えたイオン交換反応器
CN110817906A (zh) * 2018-08-09 2020-02-21 戴艾霖 大幅度降低锂辉石硫酸法各级碳酸锂中硫酸根含量的技术
CN110817908A (zh) * 2018-08-13 2020-02-21 中国石油化工股份有限公司 利用含锂废料制备高纯碳酸锂的系统及方法
JP7403946B2 (ja) 2018-08-20 2023-12-25 株式会社田中化学研究所 精製リチウム化合物の製造方法及びリチウム遷移金属複合酸化物の製造方法
CN109179455B (zh) * 2018-09-29 2021-02-09 吉林大学 一种碳酸盐型盐湖卤水富集锂盐同时提取钾盐的方法
AU2019352457A1 (en) 2018-10-01 2021-04-29 Reed Advanced Materials Pty Ltd Processing of lithium containing brines
EP4227440A1 (de) * 2018-12-21 2023-08-16 Mangrove Water Technologies Ltd. Membran-elektrolysezelle
CN109821499B (zh) * 2019-03-13 2021-04-13 成都理工大学 一种富集盐湖卤水中碳酸锂的晶须网织材料及其制备方法
US11708279B2 (en) 2019-08-12 2023-07-25 Energy, United States Department Of Selective material recovery from solution
KR102085016B1 (ko) * 2019-09-11 2020-03-09 대진대학교 산학협력단 황산 이온 불순물을 제거하는 탄산리튬의 정제 방법
US11634789B2 (en) 2019-09-16 2023-04-25 InCoR Lithium Selective lithium extraction from brines
CN110898516B (zh) * 2019-12-04 2021-05-14 青海东台吉乃尔锂资源股份有限公司 从碳酸锂浆料中去除磁性物的装置
CN110898515B (zh) * 2019-12-04 2021-06-25 青海东台吉乃尔锂资源股份有限公司 从碳酸锂浆料中去除磁性物的方法
US20210180153A1 (en) * 2019-12-11 2021-06-17 The University Of British Columbia Process and method for refining lithium carbonate starting from an impure lithium chloride solution
CN111233011B (zh) * 2020-02-13 2022-04-08 雅化锂业(雅安)有限公司 一种用于碳酸锂的提纯系统
CN111589278B (zh) * 2020-04-27 2022-03-22 湖南凯地众能科技有限公司 一种回收废旧锂离子电池水循环利用系统及其方法
CN112939034B (zh) * 2021-03-19 2023-08-15 江西云威新材料有限公司 一种工业级碳酸锂制备电池级无水氢氧化锂的方法
EP4326413A1 (de) 2021-04-23 2024-02-28 Lilac Solutions, Inc. Ionenaustauschvorrichtungen zur lithiumextraktion
CN113003589B (zh) * 2021-04-25 2023-04-25 湖南金源新材料股份有限公司 从p507萃余液中提取制备电池级碳酸锂的方法及萃取装置
CN114044499A (zh) * 2021-11-15 2022-02-15 安徽大学绿色产业创新研究院 一种高效利用锂离子资源的方法
JP2023092624A (ja) * 2021-12-22 2023-07-04 住友金属鉱山株式会社 水酸化リチウムの製造方法
WO2024038429A1 (en) 2022-08-14 2024-02-22 Bromine Compounds Ltd. Method for preparing lithium bromide
CN115286017B (zh) * 2022-08-25 2024-03-12 广东邦普循环科技有限公司 一种电池级碳酸锂的制备方法
WO2024077269A2 (en) * 2022-10-07 2024-04-11 Lilac Solutions, Inc. Integrated systems and methods for lithium recovery
GB2623751A (en) * 2022-10-21 2024-05-01 Res By British Lithium Limited Production of battery grade chemicals
GB202216132D0 (en) * 2022-10-31 2022-12-14 Mexichem Uk Ltd Process
WO2024107207A1 (en) * 2022-11-18 2024-05-23 Ascend Elements, Inc. Lithium recovery from lithium-ion batteries

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2243392A (en) * 1939-04-04 1941-05-27 Charles L Page Sinker
US2390095A (en) * 1942-09-08 1945-12-04 Marine Magnesium Products Corp Process for manufacture of magnesium products
US2617718A (en) * 1951-03-12 1952-11-11 Jefferson Lake Sulphur Co Catalytic reactor
US3112171A (en) * 1960-02-09 1963-11-26 Dept Of Natural Resources Of T Lithium carbonate production
US3112170A (en) * 1961-01-16 1963-11-26 Dept Of Natural Resources Of T Sodium-ammonium compounds process for extracting lithium from spodumene
US3344046A (en) * 1964-10-23 1967-09-26 Sun Oil Co Electrolytic preparation of organic carbonates
US3857920A (en) * 1971-07-29 1974-12-31 Department Of Health Education Recovery of lithium carbonate
US4036713A (en) * 1976-03-04 1977-07-19 Foote Mineral Company Process for the production of high purity lithium hydroxide
GB1576130A (en) * 1976-08-10 1980-10-01 Quebec Ministere Des Richesses Continuous production of lithium carbonate
US4207297A (en) * 1978-03-27 1980-06-10 Foote Mineral Company Process for producing high purity lithium carbonate
US4271131A (en) * 1979-04-11 1981-06-02 Foote Mineral Company Production of highly pure lithium chloride from impure brines
US4274834A (en) * 1979-04-11 1981-06-23 Foote Mineral Company Process for purification of lithium chloride
US4261960A (en) * 1979-04-11 1981-04-14 Foote Mineral Company Removal of boron from lithium chloride brine
US4243392A (en) * 1979-04-11 1981-01-06 Foote Mineral Company Process for solar concentration of lithium chloride brine
US4405574A (en) * 1981-10-02 1983-09-20 The Dow Chemical Company Removal of Mg++ and Ca++ ions from NaCl brine
US4734055A (en) * 1981-12-30 1988-03-29 Kitagawa Industries Co., Ltd. Cord bushing
CA1221499A (en) * 1982-02-25 1987-05-05 Paul D.A. Grammont Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
US4723962A (en) * 1985-02-04 1988-02-09 Lithium Corporation Of America Process for recovering lithium from salt brines
FR2581080B1 (fr) * 1985-04-24 1987-06-19 Metaux Speciaux Sa Procede et dispositif de purification du lithium
JPS61251511A (ja) * 1985-04-30 1986-11-08 Sumitomo Chem Co Ltd 炭酸リチウム粉末の製法
JPS62161973A (ja) * 1985-08-30 1987-07-17 Sumitomo Chem Co Ltd 高純度炭酸リチウムの製造方法
US4617099A (en) * 1985-12-23 1986-10-14 The Mead Corporation Electrochemical bleaching of wood pulps
US4855059A (en) * 1986-04-11 1989-08-08 Lithium Corporation Of America Purification of brines with hydrous metal oxide ion exchangers
JPS62252315A (ja) * 1986-04-23 1987-11-04 Nippon Chem Ind Co Ltd:The 高純度炭酸リチウムの製造法
FR2599019B1 (fr) * 1986-05-22 1992-01-03 Metaux Speciaux Sa Procede de purification en bore du carbonate de lithium.
US4859343A (en) * 1987-12-02 1989-08-22 Lithium Corporation Of America Sodium removal from brines
JPH01152226A (ja) * 1987-12-08 1989-06-14 Nippon Soda Co Ltd 金属リチウムの製造法
US4988417A (en) * 1988-12-29 1991-01-29 Aluminum Company Of America Production of lithium by direct electrolysis of lithium carbonate
US4980136A (en) * 1989-07-14 1990-12-25 Cyprus Foote Mineral Company Production of lithium metal grade lithium chloride from lithium-containing brine
US5118716A (en) * 1989-11-20 1992-06-02 Polysar Rubber Corporation Ion exchange resins having carbodithioate groups
US5104500A (en) * 1990-04-30 1992-04-14 Occidental Chemical Corporation Ion exchange removal of impurities from chlorate process liquors
US5219950A (en) * 1992-09-16 1993-06-15 Isp Investments Inc. Method of crosslinking PVP
US5451383A (en) * 1993-12-23 1995-09-19 Praxair Technology, Inc. Lithium recovery

Also Published As

Publication number Publication date
ATE294139T1 (de) 2005-05-15
AU747295B2 (en) 2002-05-16
DE69829994T2 (de) 2006-02-23
WO1999029624A1 (en) 1999-06-17
JP3671148B2 (ja) 2005-07-13
JP2001525313A (ja) 2001-12-11
EP1037854B1 (de) 2005-04-27
CA2313524C (en) 2003-11-11
US20010028871A1 (en) 2001-10-11
AU1552799A (en) 1999-06-28
US6048507A (en) 2000-04-11
AR014121A1 (es) 2001-02-07
CA2313524A1 (en) 1999-06-17
EP1037854A1 (de) 2000-09-27
NZ504956A (en) 2002-12-20

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