JP4180923B2 - ハロゲン化リチウム溶液中の金属の腐食を遅らせる方法 - Google Patents
ハロゲン化リチウム溶液中の金属の腐食を遅らせる方法 Download PDFInfo
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- JP4180923B2 JP4180923B2 JP2002577944A JP2002577944A JP4180923B2 JP 4180923 B2 JP4180923 B2 JP 4180923B2 JP 2002577944 A JP2002577944 A JP 2002577944A JP 2002577944 A JP2002577944 A JP 2002577944A JP 4180923 B2 JP4180923 B2 JP 4180923B2
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
- C23F11/124—Carboxylic acids
- C23F11/126—Aliphatic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/047—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for absorption-type refrigeration systems
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/167—Phosphorus-containing compounds
- C23F11/1676—Phosphonic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/173—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
- C23F11/185—Refractory metal-containing compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Description
LiBr(シグマ−アルドリッチ)と脱イオン水とをガラスビーカーに量り取り、LiBr水溶液を種々調製した。この溶液(各50ml)にモリブデン酸リチウム(0.5g、シグマ−アルドリッチ)を加え、50℃で5時間混合し、ワットマン紙(No.41)で濾過した。濾液中のモリブデートの濃度を原子吸光で決定した。結果を表1に示す。表1が示すようにモリブデート溶解度は臭化物濃度依存性を有する。
臭化リチウム(5.5kg)及び水酸化リチウム(12g、シグマ−アルドリッチ)を4.4kgの脱イオン水に加え、容器をよく攪拌して溶解させた。2−プロペン酸テロマー(50g、アーガド・ウォーター・インダストリーズ、イスラエル国、アトリット)を水(450g)に良く乳化させ、得られた微細乳化エマルジョン(50g)を15分かけて前記容器に加えた。強攪拌を1.5時間継続した。8.5%(w/w)モリブデン酸リチウム水溶液(60g)を15分で前記容器に加え、1.5時間継続的に攪拌した。得られた混合物(約6L)をワットマン紙(No.41)で濾過し、室温で保存した。この得られた混合物(本明細書でスーパー−Moと称するもの)は、原子吸光法による測定で約850mg/Lのモリブデン酸リチウムを含有していた。
閉じた循環系を構築した。これは2本の管で互いに接続された2個の軟鋼(ST37)製容器を含み、総容積は約3Lであった。容器の一方は電気加熱コイルで165℃に維持され、凝縮器とトラップが接続された他方の容器は冷却ジャケットで70℃に維持された。液体は自発的サーモ・サイフォン循環によってこの系中を移動した。被験金属試料を熱いほうの容器に入れ、必要な間隔で重量を測定した。観測された質量の減少を腐食速度に換算し、試験期間から外挿してmpy値を算出した。
2Lのステンレス(AISI316)製恒温容器を閉じた系として用いた。その中に、ST37軟鋼製の200mlの小容器を、溶液及びST37軟鋼試料と共に入れた。外容器には加熱ジャケットを取付け、232℃で腐食速度と水素発生を測定した。鋼試料重量の計量及びガス試料のサンプリングの前には常に温度を室温まで降下させた。腐食速度を鋼試料の質量変化から算出し、実験期間から外挿して年速度(mpy)を求めた。液相上の水素の濃度をGCで求め、観測された値を金属表面の平方インチあたりの重量(mg)として再算出した。これら2連の実験において、腐食防止を向上させた、あるいはさせていない0.1M−LiOH含有の65%LiBr溶液を用い、232℃で軟鋼の腐食を実験し比較した。第一の実験では、0.085M−LiOH含有の55%LiBr溶液に、Li2MoO4を初期濃度230mg/Lで添加した液でチャンバを満たした。高温度で容器から水蒸気を逃がし、LiBr溶液の体積が初期値の85%と低下した時点で密閉して閉じた系とした。第二の実験では、スーパー−Moの添加によって腐食防止能を付与したアルカリ性LiBr溶液で系を満たした。実験期間は7日であった。結果を表3に示す。
腐食実験を2連で行った。即ち、実施例3に記載の循環系を用いて市販の銅の腐食を試験した。比較は、腐食防止を向上させた、あるいはさせていない、0.1M−LiOH含有の65%LiBr溶液を用いて行なった。第一の実験では、Li2MoO4を(初期濃度270mg/L)含有する従来のアルカリ性LiBr溶液(スーパー−Mo非含有)を系に満たした。第二の実験では、スーパー−Moの添加によって腐食防止能を付与したアルカリ性LiBr溶液で系を満たした。実験期間は約28日であった。腐食速度は、スーパー−Mo非添加では0.12mpy、スーパー−Mo添加では0.03mpyであった。
液相にあるモリブデートの安定性を、実施例3に記載の循環系を用いて2連の実験により調べた。270mgのLi2MoO4又はスーパー−Moで腐食防止性を付与した、0.1M−LiOH含有の65%LiBr溶液を12日間再循環させ、モリブデートレベルを随時測定した。結果を表4に示す。
3個のフラスコのそれぞれに、0.085M−LiOHを含有する55%(w/w)のLiBr水溶液(500ml)を加えた。第一のフラスコにはLi2MoO4を濃度700mg/Lとなるように加え、第二のフラスコにはLi2MoO4とアミノメチレンホスホン酸(AMPA)とをそれぞれ濃度700mg/L及び100mg/Lとなるように加え、第三のフラスコにはLi2MoO4とAMPAとをそれぞれ濃度500mg/L及び100mg/Lとなるように加えた。これらのフラスコを密封し、30分間強く震盪して50℃に静置した。経時的にサンプリング(5ml)し、濾過し、濾液中のLi2MoO4を実施例1の記載に従って測定した。結果を表5に示す。晶癖改変剤の安定効果は、モリブデート濃度が高い場合も低い場合も、双方で明白であった。
Claims (12)
- ハロゲン化リチウムと水酸化リチウムとを含有する水溶液と接触する金属の腐食を防止するあるいは遅らせる方法であって、晶癖改変剤とモリブデン酸リチウムとを該溶液に導入することを含み、ここで前記晶癖改変剤は、2−プロペン酸テロマー及びその誘導体、ポリアクリレートテロマー、ポリメタクリレートテロマー,ポリマレエートテロマー、スルホン化スチレンマレイン酸、変性ポリアクリレート、ポリマレイン酸無水物、スルホン化ポリスチレン、及びそれらの混合物からなる群から選択されるものであり、該モリブデン酸リチウムが該溶液に100〜2000mg/Lの濃度で存在する、方法。
- 改変剤を前記溶液に1〜2000mg/Lの濃度を達成する量において導入する、請求項1に記載の方法。
- 水酸化リチウムが前記溶液に0.01mol/L〜0.30mol/Lの濃度で存在する、請求項1に記載の方法。
- ハライドがブロミド又はクロリドであり、それらの濃度の総和が20%(w/w)を超えるものである、請求項1に記載の方法。
- 改変剤とモリブデートとの導入が同時でも、如何なる順序でもよい、請求項1に記載の方法。
- 金属が鋼又は銅を包含する、請求項1に記載の方法。
- 金属が軟鋼又はステンレス鋼を包含する、請求項6に記載の方法。
- 金属が銅、銅−ニッケル合金、又は銅−亜鉛合金を包含する、請求項6に記載の方法。
- 改変剤が前記溶液に対し乳化剤又は水溶液として導入される、請求項1に記載の方法。
- 金属と前記溶液とが50℃より高温である、請求項1に記載の方法。
- 金属と前記溶液とが150℃より高温である、請求項1に記載の方法。
- ハロゲン化リチウム、水酸化リチウム及びモリブデン酸リチウムを、請求項1に記載のいずれかの改変剤と共に含有する組成物であって、モリブデン酸リチウムの濃度が300〜1000mg/Lである組成物。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL14238601A IL142386A0 (en) | 2001-04-02 | 2001-04-02 | Method for retarding corrosion of metals in lithium halide solutions |
PCT/IL2002/000238 WO2002079543A2 (en) | 2001-04-02 | 2002-03-25 | Method for retarding corrosion of metals in lithium halide solutions |
Publications (2)
Publication Number | Publication Date |
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JP2004524446A JP2004524446A (ja) | 2004-08-12 |
JP4180923B2 true JP4180923B2 (ja) | 2008-11-12 |
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Application Number | Title | Priority Date | Filing Date |
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JP2002577944A Expired - Fee Related JP4180923B2 (ja) | 2001-04-02 | 2002-03-25 | ハロゲン化リチウム溶液中の金属の腐食を遅らせる方法 |
Country Status (10)
Country | Link |
---|---|
US (3) | US20030007888A1 (ja) |
EP (1) | EP1412554B1 (ja) |
JP (1) | JP4180923B2 (ja) |
KR (1) | KR100881898B1 (ja) |
CN (1) | CN1281788C (ja) |
AT (1) | ATE312958T1 (ja) |
DE (1) | DE60208039T2 (ja) |
ES (1) | ES2254672T3 (ja) |
IL (1) | IL142386A0 (ja) |
WO (1) | WO2002079543A2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080270220A1 (en) * | 2005-11-05 | 2008-10-30 | Jorey Ramer | Embedding a nonsponsored mobile content within a sponsored mobile content |
TW201012262A (en) * | 2007-10-18 | 2010-03-16 | Interdigital Tech Corp | UMTS FDD modem optimized for high data rate applications |
US8433030B2 (en) * | 2008-12-01 | 2013-04-30 | Electric Power Research Institute, Inc. | Crystal habit modifiers for nuclear power water chemistry control of fuel deposits and steam generator crud |
BRPI1006462A2 (pt) * | 2009-03-31 | 2016-02-10 | Du Pont | dispositivo de ajuste de temperatura, solução aquosa de um haleto de lítio e um composto iônico, método de ajuste da temperatura de um objeto, meio ou espaço e método de diminuição em uma solução aquosa de um haleto de lítio |
JP6444556B1 (ja) | 2018-05-25 | 2018-12-26 | 株式会社日立パワーソリューションズ | 吸収冷温水機、吸収冷温水機用追加液、吸収冷温水機用吸収液及びメンテナンス方法 |
CN109705581B (zh) * | 2018-12-25 | 2021-07-13 | 浙江清华柔性电子技术研究院 | 硅橡胶组合物、硅橡胶及其制备方法 |
US11525186B2 (en) * | 2019-06-11 | 2022-12-13 | Ecolab Usa Inc. | Corrosion inhibitor formulation for geothermal reinjection well |
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US1678776A (en) * | 1926-11-12 | 1928-07-31 | Gravell | Metal pickling |
US2755170A (en) * | 1953-05-29 | 1956-07-17 | Servel Inc | Corrosion inhibitor |
NL287468A (ja) * | 1962-01-29 | |||
US3218259A (en) * | 1963-11-29 | 1965-11-16 | Foote Mineral Co | Stabilization of lithium molybdate solution |
NL155315B (nl) * | 1964-06-09 | 1977-12-15 | Ver Kunstmestfabriekn Mekog Al | Werkwijze voor het reinigen van ijzeren of stalen, inwendige oppervlakken van industriele apparatuur |
US3609086A (en) * | 1969-09-15 | 1971-09-28 | Trane Co | Arsenic trioxide corrosion inhibitor for absorption refrigeration system |
US4296804A (en) * | 1979-06-28 | 1981-10-27 | Resistoflex Corporation | Corrosion resistant heat exchanger element and method of manufacture |
JPH0192386A (ja) * | 1987-10-05 | 1989-04-11 | Hitachi Ltd | 密閉循環型吸収式冷凍機及び吸収式冷凍機用吸収液 |
FR2627511B1 (fr) * | 1988-02-18 | 1993-07-09 | Gaz De France | Inhibiteurs de corrosion des aciers et compositions aqueuses d'halogenure de metal alcalin les contenant |
US4798683A (en) * | 1988-04-21 | 1989-01-17 | Calgon Corporation | Method for controlling corrosion using molybdate compositions |
JPH03218259A (ja) * | 1990-01-24 | 1991-09-25 | Matsushita Electric Ind Co Ltd | 電源装置 |
US5202058A (en) * | 1991-11-06 | 1993-04-13 | A.S. Incorporated | Corrosion inhibiting method and inhibition compositions |
US5591381A (en) * | 1992-10-22 | 1997-01-07 | Halliburton Company | Corrosion inhibiting compositions and methods |
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US5707529A (en) * | 1996-09-24 | 1998-01-13 | Calgon Corporation | Method for controlling scale in an aqueous system using a synergistic combination |
US6203719B1 (en) * | 1997-01-10 | 2001-03-20 | Ashland Inc. | Extended engine coolant lifetime through polymeric polycarboxylate secondary silicate stabilization |
US6503420B1 (en) * | 1997-10-06 | 2003-01-07 | Fmc Corporation | Anti-corrosion solutions for air dehumidification systems |
-
2001
- 2001-04-02 IL IL14238601A patent/IL142386A0/xx unknown
-
2002
- 2002-03-25 JP JP2002577944A patent/JP4180923B2/ja not_active Expired - Fee Related
- 2002-03-25 DE DE60208039T patent/DE60208039T2/de not_active Expired - Lifetime
- 2002-03-25 KR KR1020037012800A patent/KR100881898B1/ko not_active IP Right Cessation
- 2002-03-25 CN CNB028111818A patent/CN1281788C/zh not_active Expired - Fee Related
- 2002-03-25 ES ES02724575T patent/ES2254672T3/es not_active Expired - Lifetime
- 2002-03-25 WO PCT/IL2002/000238 patent/WO2002079543A2/en active IP Right Grant
- 2002-03-25 AT AT02724575T patent/ATE312958T1/de not_active IP Right Cessation
- 2002-03-25 EP EP02724575A patent/EP1412554B1/en not_active Expired - Lifetime
- 2002-04-01 US US10/113,049 patent/US20030007888A1/en not_active Abandoned
-
2004
- 2004-11-12 US US10/987,675 patent/US20050069451A1/en not_active Abandoned
-
2006
- 2006-10-04 US US11/543,355 patent/US20070031280A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ES2254672T3 (es) | 2006-06-16 |
US20050069451A1 (en) | 2005-03-31 |
KR100881898B1 (ko) | 2009-02-04 |
WO2002079543A3 (en) | 2004-02-19 |
DE60208039T2 (de) | 2006-08-17 |
ATE312958T1 (de) | 2005-12-15 |
KR20040002888A (ko) | 2004-01-07 |
JP2004524446A (ja) | 2004-08-12 |
EP1412554B1 (en) | 2005-12-14 |
US20070031280A1 (en) | 2007-02-08 |
CN1281788C (zh) | 2006-10-25 |
US20030007888A1 (en) | 2003-01-09 |
EP1412554A2 (en) | 2004-04-28 |
DE60208039D1 (de) | 2006-01-19 |
WO2002079543A2 (en) | 2002-10-10 |
CN1527890A (zh) | 2004-09-08 |
IL142386A0 (en) | 2002-03-10 |
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