[go: up one dir, main page]

WO2000065671A1 - Enveloppe de pile et feuille d'acier traitee en surface pour enveloppe de pile - Google Patents

Enveloppe de pile et feuille d'acier traitee en surface pour enveloppe de pile Download PDF

Info

Publication number
WO2000065671A1
WO2000065671A1 PCT/JP2000/002601 JP0002601W WO0065671A1 WO 2000065671 A1 WO2000065671 A1 WO 2000065671A1 JP 0002601 W JP0002601 W JP 0002601W WO 0065671 A1 WO0065671 A1 WO 0065671A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery case
plating
steel sheet
nickel
cobalt alloy
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.)
Ceased
Application number
PCT/JP2000/002601
Other languages
English (en)
Japanese (ja)
Inventor
Hitoshi Ohmura
Tatsuo Tomomori
Hideo Ohmura
Tatsuya Ohshima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Kohan Co Ltd
Original Assignee
Toyo Kohan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyo Kohan Co Ltd filed Critical Toyo Kohan Co Ltd
Priority to AU38410/00A priority Critical patent/AU3841000A/en
Priority to JP2000614519A priority patent/JP3631143B2/ja
Publication of WO2000065671A1 publication Critical patent/WO2000065671A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/545—Terminals formed by the casing of the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
    • H01M50/128—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—Metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H01M50/133—Thickness
    • 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

Definitions

  • the present invention relates to a container for enclosing an alkaline solution, more specifically, a battery outer case such as an alkaline manganese battery or a nickel-cadmium battery, and a battery case and a surface-treated steel sheet for a battery case that can be suitably used for manufacturing the case.
  • a battery outer case such as an alkaline manganese battery or a nickel-cadmium battery
  • a battery case and a surface-treated steel sheet for a battery case that can be suitably used for manufacturing the case.
  • a battery case in which a strong alkaline solution such as an alkaline manganese battery or a nickel-cadmium battery is sealed is formed by pressing a cold-rolled steel strip into a battery case and then barrel-tightening or using a nickel-plated steel strip in the battery case. Press molding has been adopted.
  • nickel plating is used for battery applications such as alkaline manganese batteries and nickel-cadmium batteries because these batteries mainly use strong alkaline potassium hydroxide as an electrolyte, and thus have a high resistance to alkali corrosion.
  • the nickel When nickel is strong, and when the battery is connected to the external terminal, the nickel has a stable contact resistance.Furthermore, at the time of battery manufacturing, when each component is welded and assembled into the battery, This is because spot welding is performed, and nickel has the advantage of being excellent in spot weldability.
  • the barrel plating method has made it difficult to apply nickel plating evenly on the inner surface of the case, especially on the inner side of the case, and the plating thickness varies widely.
  • the pre-plating method with plating has been dominant.
  • a method of performing a heat diffusion treatment after nickel plating has been applied in order to mainly improve corrosion resistance.
  • DI dry and ironing
  • the DI molding method and DTR draw ingthin and redr aw molding method allow the positive and negative electrode active materials to be filled more as the case side wall thickness becomes smaller than the bottom thickness, thereby increasing the capacity of the battery and increasing the case capacity. Since the bottom is thick, there is an advantage that the pressure resistance of the battery can be improved.
  • the outermost layer of the 15 "can outer surface is bright nickel plating, it is difficult to flow smoothly, and the supply of the battery case tends to be spot-like.
  • the technical problem of the present invention is to provide a battery case excellent in glossiness and flowability and a surface-treated steel sheet which can be suitably used for manufacturing the battery case. Disclosure of the invention
  • the present inventor has a bright nickel-cobalt alloy coating layer on the outermost layer of the outer surface of the can in the battery case manufactured by the deep drawing method, the DI molding method, and the 2S and the DTR molding method. Then, the flowability of the battery case on the belt conveyor It was found to be excellent. It is presumed that the flowability of the battery case is good when the outer surface of the case is hard and the friction coefficient is small. We also found that the addition of cobalt improves the glossiness of the plating surface.
  • the battery case of the present invention is characterized in that a base plate made of a steel plate is coated with a matte nickel plating on the inner surface of a can, and a matte nickel plating is provided as a lower layer on the outer surface of the can and a bright nickel-cobalt is provided as an upper layer. It is characterized in that it is obtained by forming a surface-treated steel sheet with a two-layer coating with an alloy by the deep drawing method, the DI forming method or the DTR forming method.
  • a semi-bright nickel plating is applied to the inner surface of the can of a plated original plate made of a steel plate, and a two-layer plating is applied to the outer surface of the can, with a semi-bright nickel plating as a lower layer and a bright nickel-cobalt alloy as an upper layer. It is characterized by being obtained by forming the surface-treated steel sheet by deep drawing, DI forming or DTR forming.
  • the battery case of the present invention is characterized in that the bright nickel-cobalt alloy is obtained with a cobalt content of 0.5 to 10% by weight.
  • the battery case of the present invention is characterized in that it is obtained by adjusting the thickness of the bright nickel-cobalt alloy to 0.5 to 4 m.
  • the surface-treated steel sheet of the present invention is made of a base plate made of a steel sheet, and is provided with a matte nickel plating on the inner surface of the can, a matte nickel plating as a lower layer on the outer surface of the can, and a two-layer coating of a bright nickel-cobalt alloy as the upper layer. It is characterized by having given.
  • the surface-treated steel sheet according to the present invention is provided with a semi-gloss nickel plating on the inner surface of a can of a plated original plate made of a steel plate, a semi-gloss nickel plating as a lower layer on the outer surface of the can, and a two-layer plating with a bright nickel-cobalt alloy as an upper layer. It is characterized by giving.
  • the surface-treated steel sheet according to the present invention is characterized in that the bright nickel-cobalt alloy has a cobalt content of 0.5 to 10% by weight.
  • the plating glossiness of the bright nickel plating sulfuric acid bath is 46 to 47 (JIS ⁇ 8741, specular gloss-one measurement method, 0 method) when no cobalt is added.
  • the cobalt content is 1.0%, it is as high as 507 to 5255 (JISZ8741, a method for measuring specular gloss).
  • the present invention can improve the flowability of cans without using the battery case molding method, for example, without using the deep drawing molding method, the DI molding method, or the DTR molding method. Can be.
  • a range of 10% is preferred. If the cobalt content is less than 0.5%, the addition of cobalt has no effect on increasing the gloss or the fluidity of the can.On the other hand, if the cobalt content is greater than 10%, the fluidity effect of the can is saturated. And cobalt is expensive because it is an expensive noble metal.
  • the plating thickness of the surface-treated steel sheet is desirably in the range of 1.0 to 4.0 mm on the side corresponding to the outer surface of the case in the case of the bright nickel-cobalt alloy of the present invention.
  • the plating thickness on the outer surface side of the case is less than 1. O m, there is no effect on improving the glossiness or the flowability of the battery case. In addition, corrosion resistance is not sufficient, and 1.0 m or more is required due to the generation of press during the battery case process, battery fabrication process, and long-term storage. If the plating thickness exceeds 4.0 jLtm, the effect of improving the flowability of the battery case has reached saturation, and making it thicker is uneconomical.
  • a low-carbon aluminum-killed steel is suitably used as a steel sheet as a base material of the surface-treated steel sheet, that is, a plating base sheet.
  • cold rolled steel strips made from non-aging ultra-low carbon steel (less than 0.01% carbon) with the addition of niobium and titanium are also used.
  • the steel strip that has been cold-rolled, electrolytically cleaned, annealed, and temper-rolled is cold-rolled by the usual method, and is used as the original plate. After that, using this plated original plate, matte nickel plating, semi-bright nickel plating or bright nickel-cobalt alloy plating is performed to produce a surface-treated steel plate.
  • the plating bath may be any of a known sulfuric acid bath and a sulfamic acid bath, but a sulfuric acid bath which is relatively easy in bath tube iO treatment is preferable.
  • the precipitation ratio of cobalt and nickel in the plating film is several times higher than the concentration ratio in the plating bath, so the anode is a nickel anode and the supply of cobalt ions is sulfamate. Or it can be added in the form of sulfate.
  • Matte nickel plating was performed using the following nickel sulfate bath.
  • Anode S pellets (product name, spherical, manufactured by INCO) are loaded into a titanium basket and covered with a polypropylene bag.
  • a semi-brightening agent As a semi-brightening agent, a polyoxy-ethylene adduct of an unsaturated alcohol and an unsaturated carboxylic acid formaldehyde were appropriately added to a nickel sulfate bath to perform semi-bright nickel plating.
  • Anode S pellets (product name, manufactured by INC ⁇ , spherical) loaded in a titanium basket and covered with a polypropylene bag.
  • Cobalt sulfate was appropriately added to the nickel sulfate bath to contain cobalt in the nickel plating layer.
  • Nitrogen-containing heterocyclic compound 0.6 g / L
  • Nitrogen-containing aliphatic compounds 2.0 g / L
  • Anode S pellets (product name, spherical, manufactured by INCO) are loaded into a titanium basket and covered with a polypropylene bag.
  • the cobalt content in the plating film and the plating thickness were changed by changing the addition amount of cobalt sulfate and the electrolysis time.
  • the battery case is manufactured by the DI molding method, using the above-mentioned plated steel sheet with a thickness of 0.4 mm, cutting from a blank diameter of 41 mm to a diameter of 20.5 mm, and then using a DI molding machine to perform slippering and two-step ironing. It was molded to an outer diameter of 13.8 mm, a case wall of 05-0.2 Omm, and a height of 56 mm. Finally, the upper part was trimmed to produce an LR 6 type battery case with a height of 49.3 mm.
  • the battery case was manufactured by the DTR molding method using a 0.25 mm thick steel plate, punched out to a blank diameter of 58 mm, squeezed several times, and redrawn to form an outer diameter of 13.8 mm and a case wall of 0.
  • An LR6 type battery case 20 mm in height and 49.3 mm in height was manufactured.
  • the battery case was manufactured by deep drawing using a 0.25 mm thick steel plate, punched into a blank diameter of 57 mm, several times drawing and redrawing to form an outer diameter of 13.8 mm, the case wall.
  • An LR 6 type battery case 0.25 mm in height and 49.3 mm in height was manufactured.
  • the surface-treated steel sheet having a bright nickel-cobalt alloy plating on the outermost layer has higher gloss than bright nickel plating.
  • a battery case with a bright nickel-cobalt alloy plating on the outermost layer on the outer surface obtained by deep drawing, DI molding or DTR molding is a battery case with a bright nickel plating on the outer surface. As compared with, the flowability of the battery case is better, and the battery fabrication operation can be performed smoothly.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

L'invention concerne une enveloppe de pile de très bon rendement et présentant un bel aspect brillant, et une feuille d'acier traitée en surface convenant pour produire l'enveloppe de pile. On obtient l'enveloppe de pile en formant par emboutissage profond, par procédé de formage DI ou DTR, une feuille d'acier traitée en surface qui comporte un placage brillant d'alliage de nickel-cobalt sur la couche la plus extérieure d'une feuille d'ébauche de placage constituée d'une feuille d'acier. La couche brillante la plus extérieure plaquée d'un alliage de nickel-cobalt présente un brillant supérieur pour conférer un bel aspect. L'enveloppe de pile moulée possède d'excellentes propriétés d'écoulement et assure un bon rendement.
PCT/JP2000/002601 1999-04-22 2000-04-20 Enveloppe de pile et feuille d'acier traitee en surface pour enveloppe de pile Ceased WO2000065671A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU38410/00A AU3841000A (en) 1999-04-22 2000-04-20 Battery case and surface treated steel sheet for battery case
JP2000614519A JP3631143B2 (ja) 1999-04-22 2000-04-20 電池ケース及び電池ケース用表面処理鋼板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11550399 1999-04-22
JP11/115503 1999-04-22

Publications (1)

Publication Number Publication Date
WO2000065671A1 true WO2000065671A1 (fr) 2000-11-02

Family

ID=14664141

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/002601 Ceased WO2000065671A1 (fr) 1999-04-22 2000-04-20 Enveloppe de pile et feuille d'acier traitee en surface pour enveloppe de pile

Country Status (3)

Country Link
JP (1) JP3631143B2 (fr)
AU (1) AU3841000A (fr)
WO (1) WO2000065671A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003098718A1 (fr) * 2002-04-22 2003-11-27 Toyo Kohan Co., Ltd. Feuille d'acier traitee en surface pour un boitier de batterie, boitier de batterie et batterie faisant appel a ce boitier
US6979515B2 (en) * 2000-08-04 2005-12-27 Toyo Kohan Co., Ltd. Surface-treated steel plate for battery case and battery case
WO2012026269A1 (fr) * 2010-08-26 2012-03-01 Ｆｄｋエナジー株式会社 Batterie alcaline
WO2012137823A1 (fr) * 2011-04-07 2012-10-11 新日本製鐵株式会社 Tôle d'acier traitée en surface contenant ni pour conteneurs, et procédé pour produire celle-ci

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2523233B1 (fr) 2010-01-08 2017-09-20 Toyo Kohan Co., Ltd. Feuille d'acier plaquée au nickel avec excellente aptitude au pressage pour boîte de pile ou batterie

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997042667A1 (fr) * 1996-05-09 1997-11-13 Toyo Kohan Co., Ltd. Bac de batterie et tole d'acier traitee en surface pour bac de batterie
WO1997044835A1 (fr) * 1996-05-23 1997-11-27 Toyo Kohan Co., Ltd. Tole d'acier plaque pour bacs d'accumulateurs, procede de fabrication de cette tole, bac d'accumulateur et accumulateur
WO1998010475A1 (fr) * 1996-09-03 1998-03-12 Toyo Kohan Co. Ltd. Plaque d'acier a surface traitee pour boitier de batterie, boitier de batterie et batterie obtenue a partir de ce boitier
JPH10172521A (ja) * 1996-12-12 1998-06-26 Toshiba Battery Co Ltd アルカリ電池

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997042667A1 (fr) * 1996-05-09 1997-11-13 Toyo Kohan Co., Ltd. Bac de batterie et tole d'acier traitee en surface pour bac de batterie
WO1997044835A1 (fr) * 1996-05-23 1997-11-27 Toyo Kohan Co., Ltd. Tole d'acier plaque pour bacs d'accumulateurs, procede de fabrication de cette tole, bac d'accumulateur et accumulateur
WO1998010475A1 (fr) * 1996-09-03 1998-03-12 Toyo Kohan Co. Ltd. Plaque d'acier a surface traitee pour boitier de batterie, boitier de batterie et batterie obtenue a partir de ce boitier
JPH10172521A (ja) * 1996-12-12 1998-06-26 Toshiba Battery Co Ltd アルカリ電池

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6979515B2 (en) * 2000-08-04 2005-12-27 Toyo Kohan Co., Ltd. Surface-treated steel plate for battery case and battery case
US8043741B2 (en) 2000-08-04 2011-10-25 Toyo Kohan Co., Ltd. Surface-treated steel plate for battery case and battery case
WO2003098718A1 (fr) * 2002-04-22 2003-11-27 Toyo Kohan Co., Ltd. Feuille d'acier traitee en surface pour un boitier de batterie, boitier de batterie et batterie faisant appel a ce boitier
WO2012026269A1 (fr) * 2010-08-26 2012-03-01 Ｆｄｋエナジー株式会社 Batterie alcaline
JP2012048958A (ja) * 2010-08-26 2012-03-08 Fdk Energy Co Ltd アルカリ電池
US9728752B2 (en) 2010-08-26 2017-08-08 Fdk Energy Co., Ltd. Alkaline battery including cathode can with coating composed of nickel-cobalt alloy
WO2012137823A1 (fr) * 2011-04-07 2012-10-11 新日本製鐵株式会社 Tôle d'acier traitée en surface contenant ni pour conteneurs, et procédé pour produire celle-ci
CN103476971A (zh) * 2011-04-07 2013-12-25 新日铁住金株式会社 容器用含Ni表面处理钢板及其制造方法
US9132610B2 (en) 2011-04-07 2015-09-15 Nippon Steel & Sumitomo Metal Corporation Ni-containing-surface-treated steel sheet for can and manufacturing method thereof
CN103476971B (zh) * 2011-04-07 2016-01-06 新日铁住金株式会社 容器用含Ni表面处理钢板及其制造方法

Also Published As

Publication number Publication date
AU3841000A (en) 2000-11-10
JP3631143B2 (ja) 2005-03-23

Similar Documents

Publication Publication Date Title
JP4808834B2 (ja) 電池ケース用表面処理鋼板
JP3429319B2 (ja) 電池ケース及び電池ケース用表面処理鋼板
AU690921B2 (en) Surface-treated steel sheet for battery case and battery case
JPWO1995011527A1 (ja) 電池ケース用表面処利鋼板および電池ケース
CN104919091A (zh) 施加到用于包装应用的钢基材的铬-铬氧化物涂层及用于制备所述涂层的方法
JP5894721B2 (ja) 表面処理金属板及びその表面処理金属板を用いた成形品の製造方法
JPWO1997042667A1 (ja) 電池ケース及び電池ケース用表面処理鋼板
JP5158267B2 (ja) 耐食性に優れた容器用鋼板
TWI477662B (zh) 鍍錫鋼板之製造方法及鍍錫鋼板暨化學轉化處理液
JP2009263727A (ja) 容器用Ｎｉめっき鋼板とそれにより製造した容器およびその製造方法
US7150939B2 (en) Surface-treated steel sheet for battery container, a battery container, and a battery using same
JP3432523B2 (ja) 電池ケース用表面処理鋼板、電池ケースおよびそれを用いた電池
JPWO1998010475A1 (ja) 電池ケース用表面処理鋼板、電池ケースおよびそれを用いた電池
WO2000065671A1 (fr) Enveloppe de pile et feuille d'acier traitee en surface pour enveloppe de pile
JP3272866B2 (ja) アルカリ電池ケース用表面処理鋼板、アルカリ電池ケースおよびアルカリ電池
JP5053510B2 (ja) 電源装置用外装缶及び当該外装缶を使用した電源装置
JP3678347B2 (ja) 電池ケース及び電池ケース用表面処理鋼板
JP2002155394A (ja) 電池ケース用表面処理鋼板、電池ケース用表面処理鋼板の製造方法及び電池ケース
JP2534604B2 (ja) 電池ケ―ス用高加工性ニッケル−錫めっき鋼帯
JPWO2000065671A1 (ja) 電池ケース及び電池ケース用表面処理鋼板
WO2016148084A1 (fr) Procédé de fabrication de tôle d'acier traitée en surface destinée à des réservoirs de batterie, et tôle d'acier traitée en surface destinée à des réservoirs de batterie
JP2024091521A (ja) 銅箔、それを含む電極、それを含む二次電池、およびその製造方法
JPWO2000065672A1 (ja) 電池ケース及び電池ケース用表面処理鋼板
EP1544326A1 (fr) Plaque d'acier traitee en surface destinee a des boitiers de batteries, et boitier de batterie qu'elle permet de realiser
JP7578899B1 (ja) 表面処理鋼板、及び表面処理鋼板の製造方法

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
ENP Entry into the national phase

Ref country code: JP

Ref document number: 2000 614519

Kind code of ref document: A

Format of ref document f/p: F

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase