DE68908042T2 - Elektrokatalysator, bestehend aus einer Platinlegierung auf einem Träger. - Google Patents

Elektrokatalysator, bestehend aus einer Platinlegierung auf einem Träger.

Info

Publication number
DE68908042T2
DE68908042T2 DE89115746T DE68908042T DE68908042T2 DE 68908042 T2 DE68908042 T2 DE 68908042T2 DE 89115746 T DE89115746 T DE 89115746T DE 68908042 T DE68908042 T DE 68908042T DE 68908042 T2 DE68908042 T2 DE 68908042T2
Authority
DE
Germany
Prior art keywords
support
platinum alloy
electrocatalyst
electrocatalyst consisting
platinum
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.)
Expired - Fee Related
Application number
DE89115746T
Other languages
English (en)
Other versions
DE68908042D1 (de
Inventor
Takashi Itoh
Katsuaki Kato
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.)
NE Chemcat Corp
Original Assignee
NE Chemcat Corp
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 NE Chemcat Corp filed Critical NE Chemcat Corp
Publication of DE68908042D1 publication Critical patent/DE68908042D1/de
Application granted granted Critical
Publication of DE68908042T2 publication Critical patent/DE68908042T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
    • H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8926—Copper and noble metals
    • 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
    • H01M4/92—Metals of platinum group
    • 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
    • H01M4/96—Carbon-based 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
    • H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
    • H01M2004/8689—Positive electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • H01M2300/0008—Phosphoric acid-based
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • H01M2300/0011—Sulfuric acid-based
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inert Electrodes (AREA)
  • Catalysts (AREA)
DE89115746T 1988-08-26 1989-08-25 Elektrokatalysator, bestehend aus einer Platinlegierung auf einem Träger. Expired - Fee Related DE68908042T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63211621A JPH0697614B2 (ja) 1988-08-26 1988-08-26 担持白金合金電極触媒

Publications (2)

Publication Number Publication Date
DE68908042D1 DE68908042D1 (de) 1993-09-09
DE68908042T2 true DE68908042T2 (de) 1993-12-16

Family

ID=16608800

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89115746T Expired - Fee Related DE68908042T2 (de) 1988-08-26 1989-08-25 Elektrokatalysator, bestehend aus einer Platinlegierung auf einem Träger.

Country Status (4)

Country Link
US (2) US4970128A (de)
EP (1) EP0355853B1 (de)
JP (1) JPH0697614B2 (de)
DE (1) DE68908042T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10258177B4 (de) * 2001-12-12 2007-09-27 Honda Giken Kogyo K.K. Membranelektrodenanordnung einer Polymerelektrolytbrennstoffzelle

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068161A (en) * 1990-03-30 1991-11-26 Johnson Matthey Public Limited Company Catalyst material
IL96808A (en) 1990-04-18 1996-03-31 Rambus Inc Introductory / Origin Circuit Agreed Using High-Performance Brokerage
US5217821A (en) * 1990-06-25 1993-06-08 International Fuel Cells Corporation High current acid fuel cell electrodes
US5480735A (en) * 1990-06-25 1996-01-02 International Fuel Cells Corporation High current alkaline fuel cell electrodes
JP2909166B2 (ja) * 1990-07-31 1999-06-23 エヌ・イーケムキヤツト株式会社 担持白金四元系合金電極触媒
JPH04141233A (ja) * 1990-09-29 1992-05-14 Stonehard Assoc Inc 電極触媒
JPH04141235A (ja) * 1990-09-29 1992-05-14 Stonehard Assoc Inc アノード極用電極触媒
DE4324442C1 (de) * 1993-07-21 1994-06-30 Degussa Katalysator zur Herstellung von Glyoxylsäure durch Oxidation von Glyoxal
JPH07155618A (ja) * 1993-12-06 1995-06-20 Hitachi Ltd 担持金属触媒、及びその製造方法
DE4426973C1 (de) * 1994-07-29 1996-03-28 Degussa Verfahren zur Herstellung eines als Brennstoffzellenelektrode einsetzbaren Plattinlegierungskatalysators
DE19517598C1 (de) * 1995-05-13 1997-01-02 Degussa Platin-Aluminium-Legierungskatalysator und dessen Verwendung in Brennstoffzellen
JP3874380B2 (ja) * 1996-08-26 2007-01-31 エヌ・イーケムキャット株式会社 空格子点型格子欠陥を有するカーボン担持白金スケルトン合金電極触媒
US6780350B1 (en) 1997-02-24 2004-08-24 Superior Micropowders Llc Metal-carbon composite powders, methods for producing powders and devices fabricated from same
US6103393A (en) * 1998-02-24 2000-08-15 Superior Micropowders Llc Metal-carbon composite powders, methods for producing powders and devices fabricated from same
US6660680B1 (en) 1997-02-24 2003-12-09 Superior Micropowders, Llc Electrocatalyst powders, methods for producing powders and devices fabricated from same
US6338809B1 (en) 1997-02-24 2002-01-15 Superior Micropowders Llc Aerosol method and apparatus, particulate products, and electronic devices made therefrom
DE19756880A1 (de) * 1997-12-19 1999-07-01 Degussa Anodenkatalysator für Brennstoffzellen mit Polymerelektrolyt-Membranen
CN1085896C (zh) * 1997-12-19 2002-05-29 王纪三 充电电池的电极和电极制造方法及其设备
US6967183B2 (en) 1998-08-27 2005-11-22 Cabot Corporation Electrocatalyst powders, methods for producing powders and devices fabricated from same
US7150920B2 (en) * 1998-02-24 2006-12-19 Cabot Corporation Metal-carbon composite powders
US6753108B1 (en) * 1998-02-24 2004-06-22 Superior Micropowders, Llc Energy devices and methods for the fabrication of energy devices
US7138354B2 (en) * 1998-02-24 2006-11-21 Cabot Corporation Method for the fabrication of an electrocatalyst layer
US6417133B1 (en) * 1998-02-25 2002-07-09 Monsanto Technology Llc Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions
US6576214B2 (en) * 2000-12-08 2003-06-10 Hydrocarbon Technologies, Inc. Catalytic direct production of hydrogen peroxide from hydrogen and oxygen feeds
JP4802352B2 (ja) * 1999-08-26 2011-10-26 株式会社豊田中央研究所 燃料電池用電極触媒およびその製造方法
ATE478913T1 (de) 2000-06-02 2010-09-15 Stanford Res Inst Int Polymermembranzusammensetzung
CA2412426C (en) * 2000-06-08 2007-09-04 Superior Micropowders, Llc Electrocatalyst powders, methods for producing powders and devices fabricated from same
US6593023B2 (en) * 2001-04-27 2003-07-15 The Gillette Company Battery and method of making the same
EP1254711A1 (de) 2001-05-05 2002-11-06 OMG AG & Co. KG Edelmetallhaltiger Trägerkatalysator und Verfahren zu seiner Herstellung
EP1254712B1 (de) * 2001-05-05 2005-07-20 Umicore AG & Co. KG Edelmetallhaltiger geträgerter Katalysator und Verfahren zu seiner Herstellung
WO2002099916A2 (en) 2001-06-01 2002-12-12 Polyfuel, Inc Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device
US7316855B2 (en) 2001-06-01 2008-01-08 Polyfuel, Inc. Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device
JP5281221B2 (ja) 2001-08-03 2013-09-04 トヨタ自動車株式会社 貴金属−卑金属合金系触媒とその評価および製造方法
JP2003157857A (ja) * 2001-11-20 2003-05-30 Toyota Central Res & Dev Lab Inc 燃料電池用電極触媒体、それを用いた燃料電池用空気極、およびその触媒活性評価方法
US6746597B2 (en) * 2002-01-31 2004-06-08 Hydrocarbon Technologies, Inc. Supported noble metal nanometer catalyst particles containing controlled (111) crystal face exposure
US7740974B2 (en) 2002-04-04 2010-06-22 The Board Of Trustees Of The University Of Illinois Formic acid fuel cells and catalysts
US7785728B2 (en) * 2002-04-04 2010-08-31 The Board Of Trustees Of The University Of Illinois Palladium-based electrocatalysts and fuel cells employing such electrocatalysts
US7132188B2 (en) * 2002-04-04 2006-11-07 The Board Of Trustees Of The University Of Illinois Fuel cells and fuel cell catalysts
US7282282B2 (en) * 2002-04-04 2007-10-16 The Board Of Trustees Of The University Of Illinois Organic fuel cells and fuel cell conducting sheets
AU2003259288A1 (en) * 2002-07-29 2004-02-16 Cornell Research Foundation, Inc. Intermetallic compounds for use as catalysts and catalytic systems
US7067103B2 (en) * 2003-03-28 2006-06-27 Headwaters Nanokinetix, Inc. Direct hydrogen peroxide production using staged hydrogen addition
WO2004107482A1 (en) * 2003-05-27 2004-12-09 Symyx Technologies, Inc. Platinum-vanadium-iron fuel cell electrocatalyst
US7662740B2 (en) * 2003-06-03 2010-02-16 Symyx Technologies, Inc. Platinum-chromium-copper/nickel fuel cell catalyst
US7045479B2 (en) * 2003-07-14 2006-05-16 Headwaters Nanokinetix, Inc. Intermediate precursor compositions used to make supported catalysts having a controlled coordination structure and methods for preparing such compositions
US7569508B2 (en) * 2004-11-17 2009-08-04 Headwaters Technology Innovation, Llc Reforming nanocatalysts and method of making and using such catalysts
US7655137B2 (en) 2003-07-14 2010-02-02 Headwaters Technology Innovation, Llc Reforming catalysts having a controlled coordination structure and methods for preparing such compositions
US7011807B2 (en) * 2003-07-14 2006-03-14 Headwaters Nanokinetix, Inc. Supported catalysts having a controlled coordination structure and methods for preparing such catalysts
US7144565B2 (en) * 2003-07-29 2006-12-05 Headwaters Nanokinetix, Inc. Process for direct catalytic hydrogen peroxide production
US7700521B2 (en) 2003-08-18 2010-04-20 Symyx Solutions, Inc. Platinum-copper fuel cell catalyst
JP5082187B2 (ja) * 2003-10-06 2012-11-28 日産自動車株式会社 固体高分子型燃料電池用電極触媒粒子の製造方法
JP4463522B2 (ja) * 2003-10-16 2010-05-19 日揮触媒化成株式会社 電極の触媒用微粒子および該電極触媒用微粒子分散液、該電極触媒用微粒子分散液の製造方法
JP4290524B2 (ja) * 2003-10-23 2009-07-08 株式会社キャタラー 燃料電池用カソード触媒
KR100551035B1 (ko) 2004-04-27 2006-02-13 삼성에스디아이 주식회사 연료전지용 촉매 및 그 제조방법과 이를 포함하는연료전지 시스템
JPWO2005120703A1 (ja) * 2004-06-10 2008-04-03 住友電気工業株式会社 金属触媒とその製造方法
US7811965B2 (en) 2004-08-18 2010-10-12 Symyx Solutions, Inc. Platinum-copper-nickel fuel cell catalyst
TW200624171A (en) * 2004-09-15 2006-07-16 Monsanto Technology Llc Oxidation catalyst and its use for catalyzing liquid phase oxidation reactions
US7713910B2 (en) * 2004-10-29 2010-05-11 Umicore Ag & Co Kg Method for manufacture of noble metal alloy catalysts and catalysts prepared therewith
US7632775B2 (en) * 2004-11-17 2009-12-15 Headwaters Technology Innovation, Llc Multicomponent nanoparticles formed using a dispersing agent
US7422994B2 (en) * 2005-01-05 2008-09-09 Symyx Technologies, Inc. Platinum-copper-tungsten fuel cell catalyst
US7449423B2 (en) * 2005-01-14 2008-11-11 Headwaters Technology Innovation, Llc Heat treatment of anchored nanocatalysts in a non-zero oxidation state and catalysts made by such method
EP1683759B1 (de) 2005-01-21 2010-05-19 Samsung SDI Co., Ltd. Kohlenstoff-Metall-Verbundwerkstoff und Verfahren zu dessen Herstellung
US20080044719A1 (en) * 2005-02-02 2008-02-21 Symyx Technologies, Inc. Platinum-copper-titanium fuel cell catalyst
US8445402B2 (en) * 2005-06-01 2013-05-21 Basf Corporation Preferential oxidation catalyst containing platinum, copper and iron
US7396795B2 (en) * 2005-08-31 2008-07-08 Headwaters Technology Innovation, Llc Low temperature preparation of supported nanoparticle catalysts having increased dispersion
US7691522B2 (en) 2006-03-09 2010-04-06 Honda Motor Co., Ltd. Platinum, titanium and copper, manganese and iron containing electrocatalysts
US20070160899A1 (en) * 2006-01-10 2007-07-12 Cabot Corporation Alloy catalyst compositions and processes for making and using same
US7718710B2 (en) * 2006-03-17 2010-05-18 Headwaters Technology Innovation, Llc Stable concentrated metal colloids and methods of making same
US7541309B2 (en) * 2006-05-16 2009-06-02 Headwaters Technology Innovation, Llc Reforming nanocatalysts and methods of making and using such catalysts
US20090215615A1 (en) * 2006-07-11 2009-08-27 3M Innovative Properties Company Method of forming supported nanoparticle catalysts
US7563742B2 (en) 2006-09-22 2009-07-21 Headwaters Technology Innovation, Llc Supported nickel catalysts having high nickel loading and high metal dispersion and methods of making same
US7601668B2 (en) 2006-09-29 2009-10-13 Headwaters Technology Innovation, Llc Methods for manufacturing bi-metallic catalysts having a controlled crystal face exposure
KR100823505B1 (ko) 2006-11-20 2008-04-21 삼성에스디아이 주식회사 연료 전지용 촉매, 이의 제조방법, 이를 포함하는 연료전지용 막-전극 어셈블리 및 연료전지 시스템
US20080199751A1 (en) * 2007-02-20 2008-08-21 Commonwealth Scientific And Industrial Research Organisation Bipolar plate for an air breathing fuel cell stack
US9017837B2 (en) 2008-02-19 2015-04-28 Cabot Corporation High surface area graphitized carbon and processes for making same
US8252953B2 (en) 2008-05-01 2012-08-28 Monsanto Technology Llc Metal utilization in supported, metal-containing catalysts
KR101125050B1 (ko) 2009-11-18 2012-03-21 한국과학기술원 입방 모양 ＰｔＣｏ 나노합금 촉매의 제조방법
US8592339B2 (en) * 2009-11-23 2013-11-26 The Research Foundation For The State University Of New York Catalytic platinum-copper alloy nanoparticles
JP5657689B2 (ja) * 2009-12-17 2015-01-21 ユナイテッド テクノロジーズ コーポレイションＵｎｉｔｅｄ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 担持触媒
JP2013524442A (ja) 2010-04-01 2013-06-17 トレナージ コーポレーション 高電力密度を有する高温膜／電極接合体および対応する製造方法
CN103154045B (zh) 2010-07-30 2016-05-11 株式会社普利司通 共聚物及其制造方法
CN103140521B (zh) 2010-07-30 2015-07-01 株式会社普利司通 共聚物中链结构的控制方法
AU2011318682B2 (en) * 2010-10-19 2017-06-29 Hugh Joseph Gillbanks Metal alloy
US20130228470A1 (en) * 2012-03-03 2013-09-05 Viceroy Chemical Method and apparatus for an electrolytic cell including a three-phase interface to react carbon-based gases in an aqueous electrolyte
US9093715B2 (en) * 2012-03-09 2015-07-28 Brown University Multimetallic nanoparticle catalysts with enhanced electrooxidation
JP6212278B2 (ja) * 2013-04-10 2017-10-11 地方独立行政法人神奈川県立産業技術総合研究所 電極材料および燃料電池
JP6191326B2 (ja) * 2013-08-09 2017-09-06 日産自動車株式会社 燃料電池用電極触媒粒子、これを用いる燃料電池用電極触媒、電解質−電極接合体、および燃料電池、ならびに触媒粒子および触媒の製造方法
US11491471B2 (en) * 2016-04-27 2022-11-08 University Of Science And Technology Of China Method of preparing wide-temperature catalyst for preferential oxidation of carbon monoxide in hydrogen-enriched atmosphere, and product and use lthereof
KR102178388B1 (ko) * 2017-12-11 2020-11-13 한국과학기술연구원 Pt-Ni 합금을 포함하는 촉매, 촉매 조성물 및 이를 이용한 과산화수소 합성 방법
CN109378484B (zh) * 2018-10-15 2021-07-13 北京化工大学 一种燃料电池用碳载核壳致密型铜铁-铜-铂催化剂的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA981326A (en) * 1970-11-18 1976-01-06 Kipp G. Pearson Catalytic anode for fuel cell
US4447506A (en) * 1983-01-17 1984-05-08 United Technologies Corporation Ternary fuel cell catalysts containing platinum, cobalt and chromium
US4613582A (en) * 1983-01-17 1986-09-23 United Technologies Corporation Method for making ternary fuel cell catalysts containing platinum cobalt and chromium
JPS607941A (ja) * 1983-06-14 1985-01-16 エンゲルハ−ド・コ−ポレ−シヨン 白金合金電極触媒
US4656154A (en) * 1985-06-24 1987-04-07 Phillips Petroleum Co. Potassium carbonate with carbon supports and catalysts with elemental alkali metal
JPS62163746A (ja) * 1986-01-13 1987-07-20 Nippon Engeruharudo Kk 白金合金電極触媒およびそれを使用した酸電解質燃料電池用電極
JPS62269751A (ja) * 1986-05-16 1987-11-24 Nippon Engeruharudo Kk 白金−銅合金電極触媒およびそれを使用した酸電解質燃料電池用電極

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10258177B4 (de) * 2001-12-12 2007-09-27 Honda Giken Kogyo K.K. Membranelektrodenanordnung einer Polymerelektrolytbrennstoffzelle

Also Published As

Publication number Publication date
US5096866A (en) 1992-03-17
EP0355853A2 (de) 1990-02-28
JPH0697614B2 (ja) 1994-11-30
EP0355853B1 (de) 1993-08-04
DE68908042D1 (de) 1993-09-09
US4970128A (en) 1990-11-13
JPH0261961A (ja) 1990-03-01
EP0355853A3 (de) 1991-06-05

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