KR100707220B1 - 개량된 저온 표면 경화 공정 - Google Patents

개량된 저온 표면 경화 공정 Download PDF

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Publication number
KR100707220B1
KR100707220B1 KR1020027009704A KR20027009704A KR100707220B1 KR 100707220 B1 KR100707220 B1 KR 100707220B1 KR 1020027009704 A KR1020027009704 A KR 1020027009704A KR 20027009704 A KR20027009704 A KR 20027009704A KR 100707220 B1 KR100707220 B1 KR 100707220B1
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Prior art keywords
carburizing
workpiece
temperature
carburization
gas
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Expired - Lifetime
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KR1020027009704A
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Korean (ko)
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KR20020089333A (ko
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윌리엄스피터씨
마르크스스티븐브이
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스와겔로크 컴패니
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20Carburising
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20Carburising
    • C23C8/22Carburising of ferrous surfaces

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Articles (AREA)
KR1020027009704A 2000-01-28 2001-01-26 개량된 저온 표면 경화 공정 Expired - Lifetime KR100707220B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/494,093 US6547888B1 (en) 2000-01-28 2000-01-28 Modified low temperature case hardening processes
US09/494,093 2000-01-28

Publications (2)

Publication Number Publication Date
KR20020089333A KR20020089333A (ko) 2002-11-29
KR100707220B1 true KR100707220B1 (ko) 2007-04-20

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ID=23963006

Family Applications (1)

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KR1020027009704A Expired - Lifetime KR100707220B1 (ko) 2000-01-28 2001-01-26 개량된 저온 표면 경화 공정

Country Status (12)

Country Link
US (1) US6547888B1 (enExample)
EP (2) EP1259657B1 (enExample)
JP (3) JP4003455B2 (enExample)
KR (1) KR100707220B1 (enExample)
CN (1) CN1205350C (enExample)
AU (2) AU2001231188B2 (enExample)
CA (1) CA2398675C (enExample)
DK (1) DK2497842T3 (enExample)
HK (1) HK1050223A1 (enExample)
IL (1) IL150936A (enExample)
MX (1) MXPA02007348A (enExample)
WO (1) WO2001055470A2 (enExample)

Cited By (2)

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KR20120055619A (ko) * 2009-08-07 2012-05-31 스와겔로크 컴패니 저진공 하에서의 저온 침탄
US9617632B2 (en) 2012-01-20 2017-04-11 Swagelok Company Concurrent flow of activating gas in low temperature carburization

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7407196B2 (en) * 2003-08-06 2008-08-05 Swagelok Company Tube fitting with separable tube gripping device
US7416225B2 (en) 2001-02-06 2008-08-26 Swagelok Company Fitting for metal pipe and tubing
PT1521861E (pt) 2002-07-16 2007-10-31 Univ Danmarks Tekniske Cementação de aço inoxidável
US20070045587A1 (en) * 2003-04-14 2007-03-01 Terrence Kolenc Diaphragm valve seat
US7784837B2 (en) * 2003-11-03 2010-08-31 Swagelok Company Fitting for metal pipe and tubing
US20050098237A1 (en) * 2003-11-10 2005-05-12 Medlin Dana J. Case hardened orthopedic implant
TW200602577A (en) 2004-04-22 2006-01-16 Swagelok Co Fitting for tube and pipe
US7497483B2 (en) * 2004-04-22 2009-03-03 Swagelok Company Fitting for tube and pipe with cartridge
JP4604140B2 (ja) * 2004-09-13 2010-12-22 マニー株式会社 医療用針又は刃物
WO2006076220A2 (en) * 2005-01-10 2006-07-20 Swagelok Company Carburization of ferrous-based shape memory alloys
WO2006088746A2 (en) 2005-02-14 2006-08-24 Swagelok Company Ferrules manufactured from hollow stock
US20060191102A1 (en) * 2005-02-15 2006-08-31 Hayes Charles W Ii Color-coded stainless steel fittings and ferrules
US20060237962A1 (en) 2005-04-22 2006-10-26 Anderson Bret M Tool for preparing fitting and conduit connection
CA2622155A1 (en) * 2005-08-09 2007-02-22 Swagelok Company Fluid flow devices
US20070057505A1 (en) 2005-09-13 2007-03-15 Williams Peter C Corrosion resistant conduit systems with enhanced surface hardness
AU2007227773A1 (en) * 2006-02-15 2007-09-27 Swagelok Company Improved process for coloring low temperature carburized austenitic stainless steel
US7793416B2 (en) 2006-05-15 2010-09-14 Viking Pump, Inc. Methods for hardening pump casings
CN101490302A (zh) * 2006-07-24 2009-07-22 斯瓦戈洛克公司 具有高间隙含量的金属制品
US20080054626A1 (en) * 2006-09-01 2008-03-06 Swagelok Company Fitting for fluid conduits
WO2008086130A2 (en) * 2007-01-05 2008-07-17 Swagelok Company Surface hardened aluminum
US20100037991A1 (en) * 2007-04-05 2010-02-18 Swagelok Company Diffusion promoters for low temperature case hardening
WO2008124239A1 (en) * 2007-04-06 2008-10-16 Swagelok Company Hybrid carburization with intermediate rapid quench
WO2009023505A1 (en) * 2007-08-09 2009-02-19 Swagelok Company Tube fitting
US8574616B2 (en) * 2009-07-07 2013-11-05 Biotronik Vi Patent Ag Implant and method for manufacturing same
US8425691B2 (en) 2010-07-21 2013-04-23 Kenneth H. Moyer Stainless steel carburization process
US8540825B2 (en) 2011-03-29 2013-09-24 Taiwan Powder Technologies Co., Ltd. Low-temperature stainless steel carburization method
US20120251377A1 (en) * 2011-03-29 2012-10-04 Kuen-Shyang Hwang Method for enhancing strength and hardness of powder metallurgy stainless steel
US8608868B2 (en) 2011-04-07 2013-12-17 Taiwan Powder Technologies Co., Ltd. Method for improving surface mechanical properties of non-austenitic stainless steels
CN102828145A (zh) * 2012-08-09 2012-12-19 武汉材料保护研究所 一种实现奥氏体不锈钢强化和耐蚀的低温气体渗碳方法
WO2014103728A1 (ja) * 2012-12-27 2014-07-03 昭和電工株式会社 成膜装置
RU2537471C2 (ru) * 2013-01-11 2015-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Курская государственная сельскохозяйственная академия имени профессора И.И. Иванова Министерства сельского хозяйства Российской Федерации Способ упрочнения электроосажденных железохромистых покрытий цементацией
US9389155B1 (en) * 2013-03-12 2016-07-12 United Technologies Corporation Fatigue test specimen
MX378643B (es) * 2013-05-01 2025-03-11 Nippon Steel Corp Star Placa de acero de baja gravedad especifica, de alta resistencia que tiene excelentes propiedades de soldadura de punto.
KR101374628B1 (ko) * 2013-10-22 2014-03-18 정삼례 2중 금속층을 이용한 부분 열처리 방법
KR101429456B1 (ko) * 2013-10-22 2014-08-13 디케이락 주식회사 저온 염욕 부분 열처리 방법
PL2881492T3 (pl) * 2013-12-06 2017-10-31 Hubert Stueken Gmbh & Co Kg Sposób nawęglania wyrobu głęboko tłoczonego lub giętnego wyrobu wykrawanego z austenitycznej, nierdzewnej stali szlachetnej
EP2881493B1 (de) * 2013-12-06 2016-08-24 Hubert Stüken GMBH & CO. KG Verfahren zur Nitrocarburierung eines Tiefziehartikels oder eines Stanzbiegeartikels aus austenitischem nichtrostendem Edelstahl
WO2016019088A1 (en) * 2014-07-31 2016-02-04 Williams Peter C Enhanced activation of self-passivating metals
WO2017074161A1 (ko) * 2015-10-30 2017-05-04 한국생산기술연구원 저온 침탄처리방법 및 침탄처리장치
FR3081884B1 (fr) * 2018-06-05 2021-05-21 Safran Helicopter Engines Procede de cementation basse pression d'une piece comprenant de l'acier
CN112236540B (zh) 2018-06-11 2023-05-16 斯瓦戈洛克公司 自钝化金属的化学活化
CN110129720A (zh) * 2019-04-28 2019-08-16 徐州箱桥机械有限公司 一种变速箱齿轮在稀土渗碳设备上的热处理方法
KR20220110733A (ko) 2019-12-06 2022-08-09 스웨이지락 캄파니 자가-부동태화 금속의 화학적 활성화
RU2728333C1 (ru) * 2020-02-11 2020-07-29 Федеральное государственное бюджетное образовательное учреждение высшего образования "Курский государственный университет" Способ цементации деталей из конструкционных и инструментальных сталей
EP4143358A1 (en) 2020-04-29 2023-03-08 Swagelok Company Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization
KR20230065997A (ko) 2020-09-10 2023-05-12 스웨이지락 캄파니 적층 제조 물품 및 재료의 저온 케이스 경화 및 표면 개질의 표적화된 적용
EP4330442A1 (en) 2021-04-28 2024-03-06 Swagelok Company Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization in the presence of oxygen-containing gas
CN114318210B (zh) * 2021-12-10 2023-01-10 东北大学 一种提高奥氏体不锈钢渗碳后耐蚀性及渗层深度的方法
WO2023114498A1 (en) * 2021-12-17 2023-06-22 Carpenter Technology Corporation Articles fabricated from cold-worked and case-hardened essentially co-free stainless steel alloys and methods of fabrication thereof
CN119403952A (zh) 2022-06-02 2025-02-07 斯瓦戈洛克公司 自钝化金属的激光辅助试剂活化和改性
CN117144285A (zh) * 2023-08-30 2023-12-01 重庆清平机械有限责任公司 一种tc4钛合金表面渗碳工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678589A (ja) * 1992-08-27 1994-03-18 Meidensha Corp 直流電動機の速度制御装置
KR20010072424A (ko) * 1998-08-12 2001-07-31 맨사우어 어니스트 피. 저온에서의 선택적 표피 경화 방법 및 그 제품

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1923814A (en) 1931-08-11 1933-08-22 Electro Metallurg Co Nitriding
GB421014A (en) 1932-11-26 1934-12-12 Degussa Improvements in and relating to the cementation of iron, steel and alloys thereof
US2057813A (en) 1932-12-06 1936-10-20 Nitralloy Corp Process for hardening iron and steel alloys and article produced thereby
US2204148A (en) 1936-07-16 1940-06-11 Joseph C Nelms Method of treating sulphur bearing coals
US2789930A (en) 1954-10-11 1957-04-23 William F Engelhard Method of nitriding ferrous alloys
US2851387A (en) 1957-05-08 1958-09-09 Chapman Valve Mfg Co Method of depassifying high chromium steels prior to nitriding
GB837932A (en) 1957-06-26 1960-06-15 Degussa Process for carburising and carbonitriding iron and steel
FR1531285A (fr) 1967-07-19 1968-06-28 Bristol Siddeley Engines Ltd Perfectionnements apportés aux opérations de cémentation
US4268323A (en) 1979-04-05 1981-05-19 Kolene Corp. Process for case hardening steel
US4306919A (en) * 1980-09-04 1981-12-22 Union Carbide Corporation Process for carburizing steel
DE3048607C2 (de) 1980-12-23 1983-07-07 Goerig & Co GmbH & Co KG, 6800 Mannheim Cyanidfreies Verfahren zum Aufkohlen von Stahl und Zugabesalz zur Durchführung des Verfahrens
DE3146042A1 (de) 1981-11-20 1983-05-26 Linde Ag, 6200 Wiesbaden Verfahren zum einsatzhaerten metallischer werkstuecke
EP0147011A3 (en) 1983-12-28 1986-03-26 Heatbath Corporation A non-cyanide salt bath and process for carburization of ferrous metals and alloys
JPS61231157A (ja) * 1985-04-02 1986-10-15 Toyota Motor Corp 連続ガス浸炭炉の操業中断における浸炭熱処理方法
FR2586258B1 (fr) 1985-08-14 1987-10-30 Air Liquide Procede pour la cementation rapide et homogene d'une charge dans un four
JPS62227074A (ja) * 1986-03-28 1987-10-06 Osaka Gas Co Ltd ガス浸炭方法におけるエンリツチガス流量の制御方法
PL147547B1 (en) * 1986-06-04 1989-06-30 Method of producing superficial layers on heat-resisting and stainless steels in particular austenitic ones
JPS6328853A (ja) * 1986-07-22 1988-02-06 Daido Steel Co Ltd バツチ式浸炭方法
US4746375A (en) 1987-05-08 1988-05-24 General Electric Company Activation of refractory metal surfaces for electroless plating
JPS6447844A (en) 1987-08-12 1989-02-22 Toyota Central Res & Dev Method and apparatus for treating surface
SU1666573A1 (ru) 1988-06-08 1991-07-30 Днепропетровский Металлургический Институт Способ цементации стальных изделий
SU1678896A1 (ru) 1989-01-16 1991-09-23 Владимирский политехнический институт Способ упрочнени стальных деталей
JPH089766B2 (ja) 1989-07-10 1996-01-31 大同ほくさん株式会社 鋼の窒化方法
US5254181A (en) 1989-06-10 1993-10-19 Daidousanso Co., Ltd. Method of nitriding steel utilizing fluoriding
JP2501925B2 (ja) 1989-12-22 1996-05-29 大同ほくさん株式会社 金属材の前処理方法
US5252145A (en) 1989-07-10 1993-10-12 Daidousanso Co., Ltd. Method of nitriding nickel alloy
EP0408168B1 (en) 1989-07-10 1994-06-08 Daidousanso Co., Ltd. Method of pretreating metallic works and method of nitriding steel
JP2501062B2 (ja) 1992-01-14 1996-05-29 大同ほくさん株式会社 ニッケル合金の窒化方法
US5139584A (en) * 1989-07-13 1992-08-18 Solo Fours Industriels Sa Carburization process
FR2656003B1 (fr) 1989-12-14 1994-02-11 Michel Gantois Procede et installation de traitement thermique ou thermochimique d'un acier, permettant le controle de l'enrichissement en carbone de la zone superficielle.
DE3933053C1 (enExample) 1989-10-04 1990-05-03 Degussa Ag, 6000 Frankfurt, De
SU1752828A1 (ru) 1990-07-02 1992-08-07 Владимирский политехнический институт Способ упрочнени стальных деталей
US5194097A (en) 1990-10-01 1993-03-16 Daidousanso Co., Ltd. Method of nitriding steel and heat treat furnaces used therein
JP3023222B2 (ja) 1991-08-31 2000-03-21 大同ほくさん株式会社 硬質オーステナイト系ステンレスねじおよびその製法
FR2681332B1 (fr) 1991-09-13 1994-06-10 Innovatique Sa Procede et dispositif de cementation d'un acier dans une atmosphere a basse pression.
DE4139975C2 (de) 1991-12-04 2001-02-22 Ald Vacuum Techn Ag Verfahren zur Behandlung von legierten Stählen und Refraktärmetallen und Anwendung des Verfahrens
TW237484B (enExample) 1992-09-16 1995-01-01 Daido Oxygen
US5447181A (en) 1993-12-07 1995-09-05 Daido Hoxan Inc. Loom guide bar blade with its surface nitrided for hardening
US5424028A (en) 1993-12-23 1995-06-13 Latrobe Steel Company Case carburized stainless steel alloy for high temperature applications
EP0678589B1 (en) 1994-04-18 1999-07-14 Daido Hoxan Inc. Method of carburizing austenitic metal
CH688801A5 (fr) 1994-07-07 1998-03-31 Solo Fours Ind Sa Procédé de cémentation et de carbonitruration des aciers.
US5792282A (en) 1995-04-17 1998-08-11 Daido Hoxan, Inc. Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby
CN1106454C (zh) 1995-05-25 2003-04-23 空气及水株式会社 钢的渗氮方法
JP3064907B2 (ja) * 1995-06-27 2000-07-12 エア・ウォーター株式会社 浸炭硬化締結用品およびその製法
US5653822A (en) 1995-07-05 1997-08-05 Ford Motor Company Coating method of gas carburizing highly alloyed steels
JP3064938B2 (ja) 1996-01-30 2000-07-12 エア・ウォーター株式会社 オーステナイト系ステンレスに対する浸炭処理方法およびそれによって得られたオーステナイト系ステンレス製品
TW336257B (en) 1996-01-30 1998-07-11 Daido Hoxan Inc A method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby
DE19644153A1 (de) 1996-10-24 1998-04-30 Roland Dr Gesche Mehrstufiges Verfahren zum Plasmareinigen
FR2777910B1 (fr) * 1998-04-27 2000-08-25 Air Liquide Procede de regulation du potentiel carbone d'une atmosphere de traitement thermique et procede de traitement thermique mettant en oeuvre une telle regulation
US6093303A (en) * 1998-08-12 2000-07-25 Swagelok Company Low temperature case hardening processes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678589A (ja) * 1992-08-27 1994-03-18 Meidensha Corp 直流電動機の速度制御装置
KR20010072424A (ko) * 1998-08-12 2001-07-31 맨사우어 어니스트 피. 저온에서의 선택적 표피 경화 방법 및 그 제품

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1020010072424

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120055619A (ko) * 2009-08-07 2012-05-31 스와겔로크 컴패니 저진공 하에서의 저온 침탄
KR101704849B1 (ko) 2009-08-07 2017-02-08 스와겔로크 컴패니 저진공 하에서의 저온 침탄
US10156006B2 (en) 2009-08-07 2018-12-18 Swagelok Company Low temperature carburization under soft vacuum
US10934611B2 (en) 2009-08-07 2021-03-02 Swagelok Company Low temperature carburization under soft vacuum
US9617632B2 (en) 2012-01-20 2017-04-11 Swagelok Company Concurrent flow of activating gas in low temperature carburization
US10246766B2 (en) 2012-01-20 2019-04-02 Swagelok Company Concurrent flow of activating gas in low temperature carburization
US11035032B2 (en) 2012-01-20 2021-06-15 Swagelok Company Concurrent flow of activating gas in low temperature carburization

Also Published As

Publication number Publication date
EP2497842B1 (en) 2014-03-19
JP2011252230A (ja) 2011-12-15
CN1423709A (zh) 2003-06-11
JP4977437B2 (ja) 2012-07-18
AU3118801A (en) 2001-08-07
JP2003525348A (ja) 2003-08-26
WO2001055470A2 (en) 2001-08-02
DK2497842T3 (da) 2014-06-23
EP2497842A1 (en) 2012-09-12
WO2001055470B1 (en) 2002-01-24
HK1050223A1 (zh) 2003-06-13
JP2007092179A (ja) 2007-04-12
CN1205350C (zh) 2005-06-08
CA2398675A1 (en) 2001-08-02
WO2001055470A3 (en) 2001-12-27
JP5378462B2 (ja) 2013-12-25
IL150936A (en) 2005-12-18
AU2001231188B2 (en) 2004-09-16
KR20020089333A (ko) 2002-11-29
JP4003455B2 (ja) 2007-11-07
EP1259657A2 (en) 2002-11-27
US6547888B1 (en) 2003-04-15
CA2398675C (en) 2006-10-24
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MXPA02007348A (es) 2004-09-10

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