EP1530548A1 - Elektronisch leitender reformierkatalysator f r eine brennst offzelle und verfahren zur herstellung eines solchen - Google Patents
Elektronisch leitender reformierkatalysator f r eine brennst offzelle und verfahren zur herstellung eines solchenInfo
- Publication number
- EP1530548A1 EP1530548A1 EP03794899A EP03794899A EP1530548A1 EP 1530548 A1 EP1530548 A1 EP 1530548A1 EP 03794899 A EP03794899 A EP 03794899A EP 03794899 A EP03794899 A EP 03794899A EP 1530548 A1 EP1530548 A1 EP 1530548A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel cell
- reforming catalyst
- catalyst
- substrate material
- catalyst according
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8882—Heat treatment, e.g. drying, baking
- H01M4/8885—Sintering or firing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
- B01J12/007—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0248—Coatings comprising impregnated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
- C01B3/02—Production of hydrogen; Production of gaseous mixtures containing hydrogen
- C01B3/32—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air
- C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
- C01B3/326—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents characterised by the catalysts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
- C01B3/02—Production of hydrogen; Production of gaseous mixtures containing hydrogen
- C01B3/32—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air
- C01B3/34—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents
- C01B3/38—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using catalysts
- C01B3/40—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
-
- 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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0625—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material in a modular combined reactor/fuel cell structure
-
- 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
- H01M8/14—Fuel cells with fused electrolytes
- H01M8/141—Fuel cells with fused electrolytes the anode and the cathode being gas-permeable electrodes or electrode layers
- H01M8/142—Fuel cells with fused electrolytes the anode and the cathode being gas-permeable electrodes or electrode layers with matrix-supported or semi-solid matrix-reinforced electrolyte
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1047—Group VIII metal catalysts
- C01B2203/1052—Nickel or cobalt catalysts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1082—Composition of support materials
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- Hitherto known internal reforming catalysts of this type generally consist of an electronically conductive support structure which is able to establish this electrical connection and the catalyst material which is distributed over a large number of particles or particles and which is in the carrier structure is housed.
- WO 97/49138 discloses a catalyst assembly for internal reforming in a fuel cell, which has a current collector made of an electrically conductive, metallic material with protruding areas spaced apart from one another and a macroscopic particle that exists between the protruding areas contains distributed catalyst material.
- the current collector forms an electronically conductive connection between the bipolar plate and the anode of the fuel cell via its protruding areas.
- a reforming catalyst for internal reforming in a fuel cell is known from US Pat. No.
- a catalyst for internal reforming in a fuel cell in which a catalyst layer is provided on one side of a conductive porous plate, which on the other side carries an electrode layer formed by a porous metal and in which there is an intermediate layer the catalyst layer and the conductive porous plate is a porous spacer layer serving as a flow path for the fuel gas.
- a molten carbonate fuel cell is known from Japanese Patent Abstract 62139273 A, in which a metallic mesh or a metallic porous plate forms a core material of a reforming catalyst.
- the object of the invention is to provide an electronically conductive reforming catalyst for a fuel cell, in particular for a molten carbonate fuel cell, which can be produced with little effort and inexpensively.
- This object is achieved by the electronically conductive reforming catalyst specified in claim 1. Preferred embodiments of the same are specified in the subclaims.
- the invention is intended to provide a method for producing such an electronically conductive reforming catalyst.
- the invention creates an electronically conductive reforming catalyst for a fuel cell, in particular for a molten carbonate fuel cell.
- the reforming catalyst contains particles of a water-adsorbing substrate material and particles of a catalyst material located on the substrate material.
- the substrate material itself is electronically conductive.
- a major advantage of the reforming catalyst according to the invention is that the need for material for the anode stro collector can be significantly reduced. Another advantage is the simple and inexpensive producibility of the reforming catalyst.
- the specific conductivity of the reforming catalyst preferably exceeds 1 S / cm under operating conditions.
- the substrate material is preferably formed by an electronically conductive metal oxide.
- the substrate material is formed by one or more from the group comprising ZnO, Ti02, Fe203, LiFe02, Mn203, Sn02.
- the substrate material can be formed by a water-adsorbing material doped with foreign ions.
- the substrate material can be formed by one or more from the group containing aluminum-doped zinc oxide (AZO), indium-doped tin oxide (ITO) or antimony-doped tin oxide (ATO).
- AZO aluminum-doped zinc oxide
- ITO indium-doped tin oxide
- ATO antimony-doped tin oxide
- the particles of the catalyst material are present in the form of small islets on the substrate material.
- the size of the islets of the catalyst material is preferably in the range of a few nanometers.
- the catalyst is produced in the form of a layer.
- the catalyst is produced in the form of a sheet-like sheet material. According to another advantageous embodiment of this, the catalyst is produced in the form of a coating applied to a component of the fuel cell.
- the coating forming the catalyst can in particular be applied to a current collector of the fuel cell.
- the coating forming the catalyst can be applied to a bipolar sheet of the fuel cell.
- the invention provides a method for producing an electronically conductive reforming catalyst of the type mentioned above.
- a slip or a paste is produced from the substrate material carrying the catalyst material, the slip or the paste is formed into a layer, and the layer is sintered.
- the layer can preferably be shaped by film casting, dipping, spraying, rolling or knife coating.
- the sintering of the layer can take place in a separate process step during the manufacturing process outside the fuel cell.
- the layer can be sintered in situ when the fuel cell is started up with the catalyst already installed.
- the invention creates a fuel cell, in particular a molten carbonate fuel cell with a reforming catalyst of the type specified above.
- Figure 2 is a greatly enlarged and highly schematic sectional view through a reforming catalyst according to an embodiment of the invention.
- an electrode 1 (anode) is provided on one side of an electrolyte matrix 2.
- a current collector 3 which can be formed by a conductive foam or by an expanded metal structure and is shown in a highly schematic manner in FIG.
- a catalyst layer 4 is provided, which forms a reforming catalyst for internal reforming of the fuel gas supplied to the half cell.
- a bipolar plate 5 provided on the rear of the catalytic converter 4 forms the separation and electrical contacting of the illustrated (anode-side) half cell against a not shown (cathode-side) half cell of another fuel cell, as is typically provided in large numbers in a fuel cell stack are.
- the greatly enlarged and highly schematic sectional view of FIG. 2 shows that the reforming catalyst 4 is a Contains layer 8, which is formed from particles of a substrate material 6, on which there are particles of a catalyst material 7.
- the substrate material 6 is well water-adsorbing and is electronically conductive.
- the specific conductivity of the entire reforming catalyst 4 should exceed 1 S / cm under operating conditions.
- the substrate material 6 is formed by an electronically conductive metal oxide, for example by one or more from the group comprising ZnO, Ti02, Fe203, LiFe02, Mn203, Sn02.
- the substrate material 6 can be formed by a water-adsorbing material doped with foreign ions, for example by one or more from the group containing aluminum-doped zinc oxide (AZO), indium-doped tin oxide (ITO) or antimony-doped tin oxide (ATO).
- AZO aluminum-doped zinc oxide
- ITO indium-doped tin oxide
- ATO antimony-doped tin oxide
- the catalyst material 7 is formed by nickel, the particles of the catalyst material 7 in the form of small
- Islets are present on the substrate material 6.
- the size of the islets of the catalyst material 7 is in the range of a few nanometers.
- the reforming catalyst 4 is preferably produced by forming a slip or a paste from the substrate material 6 carrying the catalyst material 7, by forming the slip or the paste into a layer 8, and by sintering the layer 8 to form a composite to build.
- the shape of the layer 8 can by
- Foil casting, dipping, spraying, rolling or knife application The sintering of the layer 8 can take place in a separate process step during the manufacturing process outside the fuel cell, or the sintering of the layer 8 can in situ when starting up the fuel cell with catalyst 4 already installed.
- the catalyst 4 is produced in the form of a layer 8.
- This layer 8 can form its own sheet-like sheet material, or the layer can be applied in the form of a coating to a component of the fuel cell, for example to the current collector 3, or the bipolar plate 5, see FIG. 1.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10238912 | 2002-08-24 | ||
| DE10238912A DE10238912A1 (de) | 2002-08-24 | 2002-08-24 | Elektronisch leitender Reformierkatalysator für eine Brennstoffzelle und Verfahren zur Herstellung eines solchen |
| PCT/EP2003/009210 WO2004024621A1 (de) | 2002-08-24 | 2003-08-20 | Elektronisch leitender reformierkatalysator für eine brennstoffzelle und verfahren zur herstellung eines solchen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1530548A1 true EP1530548A1 (de) | 2005-05-18 |
Family
ID=31501922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03794899A Withdrawn EP1530548A1 (de) | 2002-08-24 | 2003-08-20 | Elektronisch leitender reformierkatalysator f r eine brennst offzelle und verfahren zur herstellung eines solchen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20050260467A1 (de) |
| EP (1) | EP1530548A1 (de) |
| JP (1) | JP2005536864A (de) |
| CA (1) | CA2496724A1 (de) |
| DE (1) | DE10238912A1 (de) |
| WO (1) | WO2004024621A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2629878A1 (en) | 2005-10-27 | 2007-05-03 | Kyocera Corporation | Heat resistant alloy member, alloy member for fuel cell, power collecting member for fuel cell, cell stack and fuel cell |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2297079A1 (fr) * | 1975-01-10 | 1976-08-06 | Anvar | Nouveau catalyseur pour l'oxydation electrolytique de l'hydrogene |
| US4467050A (en) * | 1982-07-08 | 1984-08-21 | Energy Research Corporation | Fuel cell catalyst member and method of making same |
| JPS60151968A (ja) * | 1984-01-20 | 1985-08-10 | Mitsubishi Electric Corp | 燃料電池用電極の製造方法 |
| JPS6124170A (ja) * | 1984-07-13 | 1986-02-01 | Mitsubishi Electric Corp | 溶融炭酸塩形燃料電池 |
| JP2810376B2 (ja) * | 1987-08-28 | 1998-10-15 | 三菱電機株式会社 | 溶融炭酸塩形燃料電池発電装置用対電解質保護材料 |
| DE3900571A1 (de) * | 1989-01-11 | 1990-07-19 | Asea Brown Boveri | Verfahren zum aufbringen einer aus edelmetallen und/oder edelmetallverbindungen bestehenden katalysatorschicht auf einen traeger aus keramischem material |
| US5139896A (en) * | 1989-05-26 | 1992-08-18 | The United States Of America As Represented By The United States Department Of Energy | All ceramic structure for molten carbonate fuel cell |
| US5051156A (en) * | 1990-01-31 | 1991-09-24 | Intevep, S.A. | Electrocatalyst for the oxidation of methane and an electrocatalytic process |
| KR100201572B1 (ko) * | 1997-04-18 | 1999-06-15 | 최수현 | 코팅 및 롤링의 혼합법에 의한 연료전지의 전극 제조방법 |
| DE19757550C2 (de) * | 1997-12-23 | 1999-12-30 | Mtu Friedrichshafen Gmbh | Brennstoffzellenanordnung mit einem Reformierkatalysator und Verfahren zur ihrer Herstellung |
| JP3981513B2 (ja) * | 2000-03-10 | 2007-09-26 | 積水化学工業株式会社 | 金属酸化物の製造方法 |
| JP2002210365A (ja) * | 2001-01-18 | 2002-07-30 | Mitsubishi Electric Corp | NOx浄化用触媒およびその製造方法 |
-
2002
- 2002-08-24 DE DE10238912A patent/DE10238912A1/de not_active Ceased
-
2003
- 2003-08-20 EP EP03794899A patent/EP1530548A1/de not_active Withdrawn
- 2003-08-20 US US10/525,880 patent/US20050260467A1/en not_active Abandoned
- 2003-08-20 WO PCT/EP2003/009210 patent/WO2004024621A1/de not_active Ceased
- 2003-08-20 CA CA002496724A patent/CA2496724A1/en not_active Abandoned
- 2003-08-20 JP JP2004535113A patent/JP2005536864A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004024621A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10238912A1 (de) | 2004-03-11 |
| CA2496724A1 (en) | 2004-03-25 |
| US20050260467A1 (en) | 2005-11-24 |
| WO2004024621A1 (de) | 2004-03-25 |
| JP2005536864A (ja) | 2005-12-02 |
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