CA2202384A1 - Method of manufacturing electrodes for chemical current sources - Google Patents
Method of manufacturing electrodes for chemical current sourcesInfo
- Publication number
- CA2202384A1 CA2202384A1 CA002202384A CA2202384A CA2202384A1 CA 2202384 A1 CA2202384 A1 CA 2202384A1 CA 002202384 A CA002202384 A CA 002202384A CA 2202384 A CA2202384 A CA 2202384A CA 2202384 A1 CA2202384 A1 CA 2202384A1
- Authority
- CA
- Canada
- Prior art keywords
- metal
- polymer
- coating
- current sources
- chemical current
- 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.)
- Granted
Links
- 239000000126 substance Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 abstract 1
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 abstract 1
- 229910010277 boron hydride Inorganic materials 0.000 abstract 1
- 238000005341 cation exchange Methods 0.000 abstract 1
- 238000004870 electrical engineering Methods 0.000 abstract 1
- 239000002657 fibrous material Substances 0.000 abstract 1
- 229910001453 nickel ion Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 238000009738 saturating Methods 0.000 abstract 1
Classifications
-
- 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
- C23C—COATING 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/26—Processes of manufacture
-
- 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
- C23C—COATING 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1635—Composition of the substrate
- C23C18/1639—Substrates other than metallic, e.g. inorganic or organic or non-conductive
- C23C18/1641—Organic substrates, e.g. resin, plastic
-
- 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
- C23C—COATING 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1655—Process features
- C23C18/1658—Process features with two steps starting with metal deposition followed by addition of reducing agent
-
- 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
- C23C—COATING 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/24—Electrodes for alkaline accumulators
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/668—Composites of electroconductive material and synthetic resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
- H01M10/30—Nickel accumulators
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49115—Electric battery cell making including coating or impregnating
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemically Coating (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Powder Metallurgy (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to electrical engineering and can find application for making fibrous polymer metal-coating bases of electrodes for chemical sources of electric energy.
The invention has for its object to replace palladium and tin used in operations preceding chemical coating of the polymer fibrous material with a metal, with less critical materials.
The object is accomplished by using a cation-exchange material having a canon-exchange capacity of 0.5-6 mg-eq/g, and metal coating is preceded by saturating the polymer material with nickel ions, followed by treating it with an aqueous solution of boron hydride of an alkali metal.
The invention has for its object to replace palladium and tin used in operations preceding chemical coating of the polymer fibrous material with a metal, with less critical materials.
The object is accomplished by using a cation-exchange material having a canon-exchange capacity of 0.5-6 mg-eq/g, and metal coating is preceded by saturating the polymer material with nickel ions, followed by treating it with an aqueous solution of boron hydride of an alkali metal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/RU1995/000170 WO1997007554A1 (en) | 1992-11-02 | 1995-08-14 | Method of manufacturing electrodes for chemical current sources |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2202384A1 true CA2202384A1 (en) | 1997-02-27 |
| CA2202384C CA2202384C (en) | 2005-11-01 |
Family
ID=20129944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002202384A Expired - Fee Related CA2202384C (en) | 1995-08-14 | 1995-08-14 | Method of manufacturing electrodes for chemical current sources |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6063143A (en) |
| EP (1) | EP0784351A4 (en) |
| JP (1) | JP3641275B2 (en) |
| KR (1) | KR100332321B1 (en) |
| BG (1) | BG61922B1 (en) |
| CA (1) | CA2202384C (en) |
| CZ (1) | CZ286186B6 (en) |
| NO (1) | NO315447B1 (en) |
| WO (1) | WO1997007554A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6222723B1 (en) | 1998-12-07 | 2001-04-24 | Joint Stock Company “Elton” | Asymmetric electrochemical capacitor and method of making |
| JP2001313038A (en) * | 2000-02-21 | 2001-11-09 | Mitsubishi Materials Corp | Current collector for alkaline secondary battery, method for producing the same, and alkaline secondary battery using the same |
| RU2254641C2 (en) * | 2003-04-10 | 2005-06-20 | Разумов Сергей Николаевич | Method for producing nonpolarized electrode for electrochemical generator |
| RU2254634C2 (en) * | 2003-04-10 | 2005-06-20 | Разумов Сергей Николаевич | Electrochemical capacitor |
| WO2006036077A1 (en) * | 2004-08-31 | 2006-04-06 | Sergey Nikolaevich Razumov | Method for producing a non-polarisable electrode for an electrochemical capacitor |
| MX2007016485A (en) * | 2005-06-24 | 2008-03-11 | Universal Supercapacitors Llc | Current collector for double electric layer electrochemical capacitors and method of manufacture thereof. |
| CA2612642A1 (en) * | 2005-06-24 | 2007-01-04 | Valery Pavlovich Nedoshivin | Electrode and current collector for electrochemical capacitor having double electric layer and double electric layer electrochemical capacitor formed therewith |
| WO2007001199A1 (en) * | 2005-06-24 | 2007-01-04 | Universal Supercapacitors Llc | Heterogeneous electrochemical supercapacitor and method of manufacture |
| RU2483383C2 (en) | 2006-11-27 | 2013-05-27 | ЮНИВЕРСАЛ СУПЕРКАПАСИТОРЗ ЭлЭлСи | Electrode for use in electrochemical capacitor with double electric layer (versions) |
| RU2744516C1 (en) * | 2020-06-26 | 2021-03-11 | Акционерное общество "Энергия" | Method of making a non-polarizable electrode of an electrochemical capacitor |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3351487A (en) * | 1963-11-06 | 1967-11-07 | Dow Chemical Co | Process for plating permeable membrane |
| US4039714A (en) * | 1971-05-28 | 1977-08-02 | Dr. -Ing. Max Schloetter | Pretreatment of plastic materials for metal plating |
| US3962494A (en) * | 1971-07-29 | 1976-06-08 | Photocircuits Division Of Kollmorgan Corporation | Sensitized substrates for chemical metallization |
| US3900601A (en) * | 1973-09-28 | 1975-08-19 | Ppg Industries Inc | Treatment of thin metallic films for increased durability |
| US4211829A (en) * | 1977-04-27 | 1980-07-08 | Compagnie Generale Des Etablissements Michelin | Process for assembling a porous membrane on a support and assembly produced in this manner |
| FR2472842A1 (en) * | 1979-07-06 | 1981-07-03 | Sorapec | ELECTRODE STRUCTURE FOR ELECTROCHEMICAL GENERATOR |
| DE3048157A1 (en) * | 1979-12-21 | 1981-08-27 | RAI Research Corp., 11787 Haupaugue, N.Y. | Electrochemical cell membrane esp. for alkaline battery - comprises polar semi-permeable plastic foil carrier and uniformly distributed metal deposit |
| US4331521A (en) * | 1981-01-19 | 1982-05-25 | Oronzio Denora Impianti Elettrochimici S.P.A. | Novel electrolytic cell and method |
| FR2518126B1 (en) * | 1981-12-14 | 1986-01-17 | Rhone Poulenc Spec Chim | PROCESS FOR THE METALLIZATION OF ELECTRICALLY INSULATING ARTICLES OF PLASTIC MATERIAL AND THE INTERMEDIATE AND FINISHED ARTICLES OBTAINED ACCORDING TO THIS PROCESS |
| FR2544341A1 (en) * | 1983-04-15 | 1984-10-19 | Rhone Poulenc Rech | METHOD FOR METALLIZING ELECTRICALLY INSULATING FLEXIBLE FILMS AND ARTICLES OBTAINED |
| JPS61101960A (en) * | 1984-10-25 | 1986-05-20 | Meidensha Electric Mfg Co Ltd | Zinc-bromine battery negative electrode |
| JPS61101959A (en) * | 1984-10-25 | 1986-05-20 | Meidensha Electric Mfg Co Ltd | Zinc/bromine battery electrodes |
| KR910001950B1 (en) * | 1987-11-27 | 1991-03-30 | 페르메렉 덴꾜꾸 가부시끼가이샤 | Electrode Structure and Manufacturing Method Thereof |
| US5032475A (en) * | 1989-09-18 | 1991-07-16 | Toshiba Battery Co. | Nickel-metal hydride secondary cell |
| DE3940407A1 (en) * | 1989-12-04 | 1991-06-06 | Schering Ag | METHOD FOR GALVANIC DIRECT METALIZATION |
| JPH04234765A (en) * | 1990-08-29 | 1992-08-24 | Xerox Corp | Base body, belt and electrostatic photographic image forming member, and these manufacture |
| US5414140A (en) * | 1992-01-21 | 1995-05-09 | E. I. Du Pont De Nemours And Company | Process for making fluorinated aldehydes |
| JP2673078B2 (en) * | 1992-05-27 | 1997-11-05 | 東芝電池株式会社 | Paste type electrode for alkaline secondary battery |
| US5458955A (en) * | 1993-10-21 | 1995-10-17 | Monsanto Company | Metal/polymer laminates having an anionomeric polymer film layer |
| JPH07320742A (en) * | 1994-05-20 | 1995-12-08 | Sumitomo Electric Ind Ltd | Electrode for alkaline storage battery and manufacturing method thereof |
-
1995
- 1995-08-14 US US08/817,254 patent/US6063143A/en not_active Expired - Lifetime
- 1995-08-14 WO PCT/RU1995/000170 patent/WO1997007554A1/en not_active Ceased
- 1995-08-14 EP EP95929267A patent/EP0784351A4/en not_active Withdrawn
- 1995-08-14 CZ CZ19971074A patent/CZ286186B6/en not_active IP Right Cessation
- 1995-08-14 CA CA002202384A patent/CA2202384C/en not_active Expired - Fee Related
- 1995-08-14 KR KR1019970701863A patent/KR100332321B1/en not_active Expired - Fee Related
- 1995-08-14 JP JP50919097A patent/JP3641275B2/en not_active Expired - Fee Related
-
1997
- 1997-04-10 NO NO19971639A patent/NO315447B1/en not_active IP Right Cessation
- 1997-04-10 BG BG101405A patent/BG61922B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0784351A4 (en) | 2000-02-09 |
| US6063143A (en) | 2000-05-16 |
| JP3641275B2 (en) | 2005-04-20 |
| CZ286186B6 (en) | 2000-02-16 |
| KR970706619A (en) | 1997-11-03 |
| KR100332321B1 (en) | 2002-06-20 |
| WO1997007554A1 (en) | 1997-02-27 |
| CA2202384C (en) | 2005-11-01 |
| EP0784351A1 (en) | 1997-07-16 |
| NO315447B1 (en) | 2003-09-01 |
| NO971639L (en) | 1997-04-10 |
| JPH10507873A (en) | 1998-07-28 |
| NO971639D0 (en) | 1997-04-10 |
| BG61922B1 (en) | 1998-09-30 |
| CZ107497A3 (en) | 1997-10-15 |
| BG101405A (en) | 1997-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |