CA2460563A1 - Flow field - Google Patents
Flow field Download PDFInfo
- Publication number
- CA2460563A1 CA2460563A1 CA002460563A CA2460563A CA2460563A1 CA 2460563 A1 CA2460563 A1 CA 2460563A1 CA 002460563 A CA002460563 A CA 002460563A CA 2460563 A CA2460563 A CA 2460563A CA 2460563 A1 CA2460563 A1 CA 2460563A1
- Authority
- CA
- Canada
- Prior art keywords
- flow field
- channel
- field device
- fluid
- major segments
- 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.)
- Abandoned
Links
- 239000012530 fluid Substances 0.000 claims abstract description 104
- 230000004907 flux Effects 0.000 claims abstract description 36
- 238000009826 distribution Methods 0.000 claims abstract description 28
- 239000000446 fuel Substances 0.000 claims description 32
- 230000007423 decrease Effects 0.000 claims description 16
- 230000001154 acute effect Effects 0.000 claims 10
- 239000007789 gas Substances 0.000 description 38
- 239000001301 oxygen Substances 0.000 description 37
- 229910052760 oxygen Inorganic materials 0.000 description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 36
- 230000000750 progressive effect Effects 0.000 description 21
- 239000003054 catalyst Substances 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 14
- 230000035699 permeability Effects 0.000 description 14
- 230000036284 oxygen consumption Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 238000009827 uniform distribution Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000036961 partial effect Effects 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- 230000014509 gene expression Effects 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- -1 non-woven roll goods Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011853 conductive carbon based material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004890 malting Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/0263—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/0265—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Inert Electrodes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/954,601 US6780536B2 (en) | 2001-09-17 | 2001-09-17 | Flow field |
| US09/954,601 | 2001-09-17 | ||
| PCT/US2002/025424 WO2003026053A1 (en) | 2001-09-17 | 2002-08-12 | Flow field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2460563A1 true CA2460563A1 (en) | 2003-03-27 |
Family
ID=25495671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002460563A Abandoned CA2460563A1 (en) | 2001-09-17 | 2002-08-12 | Flow field |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6780536B2 (https=) |
| EP (1) | EP1428279B1 (https=) |
| JP (1) | JP4874519B2 (https=) |
| KR (1) | KR20040033053A (https=) |
| AT (1) | ATE395721T1 (https=) |
| CA (1) | CA2460563A1 (https=) |
| DE (1) | DE60226624D1 (https=) |
| WO (1) | WO2003026053A1 (https=) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10204598A1 (de) * | 2002-02-05 | 2003-08-07 | Volkswagen Ag | Verfahren zur Verbesserung eines Wärme- und Stofftransports in einer Diffusionsschicht einer Brennstoffzelle und entsprechende Brennstoffzelle |
| US6890680B2 (en) * | 2002-02-19 | 2005-05-10 | Mti Microfuel Cells Inc. | Modified diffusion layer for use in a fuel cell system |
| US7482088B2 (en) * | 2003-01-31 | 2009-01-27 | 3M Innovative Properties Company | Flow field |
| JP3956864B2 (ja) * | 2003-02-13 | 2007-08-08 | トヨタ自動車株式会社 | 流路構造を有する燃料電池のセパレータ |
| US20040265675A1 (en) * | 2003-06-24 | 2004-12-30 | General Electric Company | Fuel Cell Flow Field Design |
| FR2858466A1 (fr) * | 2003-07-28 | 2005-02-04 | Renault Sa | Plaque bipolaire pour pile a combustible |
| WO2005024985A2 (de) * | 2003-08-29 | 2005-03-17 | Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg Gemeinnützige Stiftung | Gasverteilerfeld für eine brennstoffzelle und ein solches enthaltende brennstoffzelle |
| US7297428B2 (en) * | 2003-10-31 | 2007-11-20 | 3M Innovative Properties Company | Registration arrangement for fuel cell assemblies |
| US20050095485A1 (en) * | 2003-10-31 | 2005-05-05 | 3M Innovative Properties Company | Fuel cell end plate assembly |
| US20050130017A1 (en) * | 2003-12-15 | 2005-06-16 | Zhiqiang Xu | Fuel cell plate |
| US20050136317A1 (en) * | 2003-12-19 | 2005-06-23 | 3M Innovative Properties Company | Molded multi-part flow field structure |
| FR2869464B1 (fr) * | 2004-04-21 | 2006-05-26 | Renault Sas | Plaque bipolaire pour pile a combustible |
| US7531264B2 (en) * | 2004-06-07 | 2009-05-12 | Hyteon Inc. | Fuel cell stack with even distributing gas manifolds |
| US7524575B2 (en) * | 2004-06-07 | 2009-04-28 | Hyteon Inc. | Flow field plate for use in fuel cells |
| US20060008695A1 (en) * | 2004-07-09 | 2006-01-12 | Dingrong Bai | Fuel cell with in-cell humidification |
| US7314680B2 (en) * | 2004-09-24 | 2008-01-01 | Hyteon Inc | Integrated fuel cell power module |
| KR100626034B1 (ko) * | 2004-11-13 | 2006-09-20 | 삼성에스디아이 주식회사 | 바이폴라 플레이트 및 직접액체연료전지 스택 |
| FR2879353B1 (fr) * | 2004-12-10 | 2013-08-02 | Renault Sas | Plaque bipolaire comportant un sillon qui s'etend selon une double spirale et qui comporte un segment retiligne agence dans la zone centrale de la spirale |
| US7479333B2 (en) * | 2004-12-13 | 2009-01-20 | Hyteon, Inc. | Fuel cell stack with multiple groups of cells and flow passes |
| US7041408B1 (en) * | 2004-12-28 | 2006-05-09 | Utc Fuel Cells, Llc | Varied fuel cell oxidant flow channel depth resulting in fewer cooler plates |
| US7311990B2 (en) * | 2004-12-29 | 2007-12-25 | 3M Innovative Properties Company | Form-in-place fastening for fuel cell assemblies |
| US20060141138A1 (en) * | 2004-12-29 | 2006-06-29 | 3M Innovative Properties Company | Microwave annealing of membranes for use in fuel cell assemblies |
| US7339635B2 (en) * | 2005-01-14 | 2008-03-04 | 3M Innovative Properties Company | Pre-stacked optical films with adhesive layer |
| US20060188763A1 (en) * | 2005-02-22 | 2006-08-24 | Dingrong Bai | Fuel cell system comprising modular design features |
| CN100527501C (zh) * | 2005-10-20 | 2009-08-12 | 中国科学院电工研究所 | 一种用于燃料电池的流场板 |
| EP1970985A1 (de) * | 2007-03-08 | 2008-09-17 | Siemens Aktiengesellschaft | Brennstoffzelle |
| JP5018150B2 (ja) * | 2007-03-12 | 2012-09-05 | ソニー株式会社 | 燃料電池、電子機器、燃料供給板および燃料供給方法 |
| WO2008126358A1 (ja) * | 2007-03-15 | 2008-10-23 | Panasonic Corporation | 高分子電解質形燃料電池及びそれを備える燃料電池スタック |
| DE102008033211A1 (de) | 2008-07-15 | 2010-01-21 | Daimler Ag | Bipolarplatte für eine Brennstoffzellenanordnung, insbesondere zur Anordnung zwischen zwei benachbarten Membran-Elektroden-Anordnungen |
| DE102008033209A1 (de) | 2008-07-15 | 2010-01-21 | Daimler Ag | Brennstoffzellenanordnung |
| US8177884B2 (en) | 2009-05-20 | 2012-05-15 | United Technologies Corporation | Fuel deoxygenator with porous support plate |
| JP2012142135A (ja) * | 2010-12-28 | 2012-07-26 | Toyota Motor Corp | 燃料電池 |
| GB2519493A (en) | 2012-08-14 | 2015-04-22 | Powerdisc Dev Corp Ltd | Fuel cells components, stacks and modular fuel cell systems |
| US9644277B2 (en) | 2012-08-14 | 2017-05-09 | Loop Energy Inc. | Reactant flow channels for electrolyzer applications |
| CA2919875C (en) | 2012-08-14 | 2021-08-17 | Powerdisc Development Corporation Ltd. | Fuel cell flow channels and flow fields |
| DE102012109080B3 (de) | 2012-09-26 | 2013-12-24 | Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg Gemeinnützige Stiftung | Medienverteilerfeldplatte mit erhöhter, homogener Stromdichteverteilung für eine elektrochemische Zelle und eine solche enthaltende elektrochemische Zelle |
| EP2907185B1 (en) * | 2012-10-09 | 2017-01-18 | Nuvera Fuel Cells, LLC | Design of bipolar plates for use in conduction-cooled electrochemical cells |
| WO2014063908A1 (en) * | 2012-10-23 | 2014-05-01 | Metacon Ab | Disc shaped fuel cell |
| US10180289B2 (en) | 2014-01-30 | 2019-01-15 | Dana Canada Corporation | Flow balanced heat exchanger for battery thermal management |
| CN104852068B (zh) * | 2015-05-26 | 2017-08-01 | 苏州弗尔赛能源科技股份有限公司 | 一种质子交换膜燃料电池双极板分配头及其设计方法 |
| CA2987962A1 (en) | 2015-06-04 | 2016-12-08 | Dana Canada Corporation | Heat exchanger with regional flow distribution for uniform cooling of battery cells |
| EP3433894B1 (en) | 2016-03-22 | 2024-05-08 | Loop Energy Inc. | Fuel cell flow field design for thermal management |
| JP7052418B2 (ja) * | 2018-03-01 | 2022-04-12 | トヨタ自動車株式会社 | ガス拡散層 |
| US12586798B2 (en) | 2021-07-03 | 2026-03-24 | Cevizdere LLC | Methods and apparatus for mold mitigation in fuel cell humidifiers |
| CN113675424B (zh) * | 2021-07-27 | 2023-03-31 | 华南理工大学 | 一种基于正弦波纹的衍生型波纹流场板 |
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| JPS60189868A (ja) * | 1984-03-12 | 1985-09-27 | Fuji Electric Corp Res & Dev Ltd | 燃料電池 |
| JPH081805B2 (ja) * | 1985-06-14 | 1996-01-10 | 株式会社日立製作所 | 燃料電池 |
| JPS6240168A (ja) * | 1985-08-13 | 1987-02-21 | Mitsubishi Electric Corp | 積層形燃料電池 |
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| US5108849A (en) * | 1989-08-30 | 1992-04-28 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Fuel cell fluid flow field plate |
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| DE4128515C1 (https=) | 1991-08-28 | 1992-11-12 | Abb Patent Gmbh, 6800 Mannheim, De | |
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| JP3713912B2 (ja) * | 1996-08-08 | 2005-11-09 | アイシン精機株式会社 | 燃料電池のガス通路板 |
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| US5858569A (en) * | 1997-03-21 | 1999-01-12 | Plug Power L.L.C. | Low cost fuel cell stack design |
| JPH10284096A (ja) | 1997-04-01 | 1998-10-23 | Fuji Electric Co Ltd | 固体高分子電解質型燃料電池 |
| US5885728A (en) * | 1997-04-04 | 1999-03-23 | Ucar Carbon Technology Corporation | Flexible graphite composite |
| US5942347A (en) * | 1997-05-20 | 1999-08-24 | Institute Of Gas Technology | Proton exchange membrane fuel cell separator plate |
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| US5776625A (en) * | 1997-06-18 | 1998-07-07 | H Power Corporation | Hydrogen-air fuel cell |
| JP3272980B2 (ja) * | 1997-06-26 | 2002-04-08 | 松下電器産業株式会社 | 燃料電池 |
| US5906898A (en) * | 1997-09-18 | 1999-05-25 | M-C Power Corporation | Finned internal manifold oxidant cooled fuel cell stack system |
| US6099984A (en) * | 1997-12-15 | 2000-08-08 | General Motors Corporation | Mirrored serpentine flow channels for fuel cell |
| JPH11283639A (ja) * | 1998-03-27 | 1999-10-15 | Toyota Motor Corp | 燃料電池用セパレータおよび燃料電池 |
| JP4205774B2 (ja) * | 1998-03-02 | 2009-01-07 | 本田技研工業株式会社 | 燃料電池 |
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-
2001
- 2001-09-17 US US09/954,601 patent/US6780536B2/en not_active Expired - Lifetime
-
2002
- 2002-08-12 KR KR10-2004-7003855A patent/KR20040033053A/ko not_active Ceased
- 2002-08-12 DE DE60226624T patent/DE60226624D1/de not_active Expired - Lifetime
- 2002-08-12 CA CA002460563A patent/CA2460563A1/en not_active Abandoned
- 2002-08-12 JP JP2003529563A patent/JP4874519B2/ja not_active Expired - Fee Related
- 2002-08-12 AT AT02761318T patent/ATE395721T1/de not_active IP Right Cessation
- 2002-08-12 EP EP02761318A patent/EP1428279B1/en not_active Expired - Lifetime
- 2002-08-12 WO PCT/US2002/025424 patent/WO2003026053A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP4874519B2 (ja) | 2012-02-15 |
| US20030059662A1 (en) | 2003-03-27 |
| WO2003026053A1 (en) | 2003-03-27 |
| US6780536B2 (en) | 2004-08-24 |
| EP1428279A1 (en) | 2004-06-16 |
| ATE395721T1 (de) | 2008-05-15 |
| DE60226624D1 (de) | 2008-06-26 |
| EP1428279B1 (en) | 2008-05-14 |
| KR20040033053A (ko) | 2004-04-17 |
| JP2005503654A (ja) | 2005-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |