EP0653502A3 - Zinc-containing metal-plated composite steel article and method of producing the same. - Google Patents

Zinc-containing metal-plated composite steel article and method of producing the same. Download PDF

Info

Publication number
EP0653502A3
EP0653502A3 EP94308277A EP94308277A EP0653502A3 EP 0653502 A3 EP0653502 A3 EP 0653502A3 EP 94308277 A EP94308277 A EP 94308277A EP 94308277 A EP94308277 A EP 94308277A EP 0653502 A3 EP0653502 A3 EP 0653502A3
Authority
EP
European Patent Office
Prior art keywords
zinc
producing
same
containing metal
composite steel
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Withdrawn
Application number
EP94308277A
Other languages
German (de)
French (fr)
Other versions
EP0653502A2 (en
Inventor
Masayuki C O Nihon Park Aoyama
Shuntaro C O Toyota Jidos Sudo
Shigeru C O Toyota Jidos Konda
Hiroshi C O Toyota J Kawaguchi
Atsuo C O Toyota Jidosh Tanaka
Arata C O Toyota Jidosh Fukada
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.)
Nihon Parkerizing Co Ltd
Toyota Motor Corp
Original Assignee
Nihon Parkerizing Co Ltd
Toyota Motor 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
Priority claimed from JP28257093A external-priority patent/JP3204823B2/en
Priority claimed from JP28257493A external-priority patent/JP3190188B2/en
Priority claimed from JP06144735A external-priority patent/JP3137535B2/en
Application filed by Nihon Parkerizing Co Ltd, Toyota Motor Corp filed Critical Nihon Parkerizing Co Ltd
Publication of EP0653502A2 publication Critical patent/EP0653502A2/en
Publication of EP0653502A3 publication Critical patent/EP0653502A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08Orthophosphates
    • C23C22/12Orthophosphates containing zinc cations
    • C23C22/13Orthophosphates containing zinc cations containing also nitrate or nitrite anions
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08Orthophosphates
    • C23C22/18Orthophosphates containing manganese cations
    • C23C22/182Orthophosphates containing manganese cations containing also zinc cations
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08Orthophosphates
    • C23C22/22Orthophosphates containing alkaline earth metal cations
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C23C22/36Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
    • C23C22/362Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing also zinc cations
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/36Phosphatising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
EP94308277A 1993-11-11 1994-11-10 Zinc-containing metal-plated composite steel article and method of producing the same. Withdrawn EP0653502A3 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP282570/93 1993-11-11
JP28257093A JP3204823B2 (en) 1993-11-11 1993-11-11 Method of forming zinc phosphate composite coating layer with excellent high-speed press formability on zinc-containing metal plated steel sheet
JP28257493A JP3190188B2 (en) 1993-11-11 1993-11-11 Zinc-containing metal-coated steel sheet composite with excellent high-speed press formability
JP282574/93 1993-11-11
JP144735/94 1994-06-27
JP06144735A JP3137535B2 (en) 1994-06-27 1994-06-27 Zinc-containing metal-coated steel sheet composite excellent in coatability and method for producing the same

Publications (2)

Publication Number Publication Date
EP0653502A2 EP0653502A2 (en) 1995-05-17
EP0653502A3 true EP0653502A3 (en) 1995-08-09

Family

ID=27318866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94308277A Withdrawn EP0653502A3 (en) 1993-11-11 1994-11-10 Zinc-containing metal-plated composite steel article and method of producing the same.

Country Status (2)

Country Link
EP (1) EP0653502A3 (en)
KR (1) KR100215263B1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19544614A1 (en) * 1995-11-30 1997-06-05 Metallgesellschaft Ag Process for phosphating metal surfaces
DK173338B1 (en) * 1996-08-29 2000-07-31 Danfoss As Process for electrochemical phosphating of metal surfaces, especially of stainless steel, with CaZnPO4 by cold flow of metal
DE19808755A1 (en) * 1998-03-02 1999-09-09 Henkel Kgaa Layer weight control for strip phosphating
JP3828675B2 (en) * 1998-04-23 2006-10-04 新日本製鐵株式会社 Surface-treated steel sheet with excellent corrosion resistance and workability and method for producing the same
BR0014856A (en) * 1999-05-27 2002-06-11 Nippon Steel Corp Galvanized steel sheet treated with phosphate excellent in corrosion resistance and paint capacity
EP1067212A1 (en) * 1999-07-08 2001-01-10 Kawasaki Steel Corporation Perforative corrosion resistant galvanized steel sheet
CN1244715C (en) * 1999-08-09 2006-03-08 新日本制铁株式会社 Zinc-based metal plated steel sheet treated with phosphate being excellent in formability and method for production thereof
KR100419322B1 (en) 1999-09-17 2004-02-21 제이에프이 스틸 가부시키가이샤 Surface treated steel sheet and method for production thereof
KR20030045127A (en) * 2000-11-06 2003-06-09 신닛뽄세이테쯔 카부시키카이샤 Phosphate-treated galvanized steel sheet with improved workability and production method thereof
US20050145303A1 (en) * 2003-12-29 2005-07-07 Bernd Schenzle Multiple step conversion coating process
JP4571895B2 (en) * 2005-08-12 2010-10-27 新日本製鐵株式会社 Surface-treated steel sheet for environment-friendly electronic parts with excellent solder wettability, whisker resistance, and appearance stability over time, and method for producing the same
DE102006035974A1 (en) * 2006-08-02 2008-02-07 Robert Bosch Gmbh Process for phosphating a metal layer
ES2472420B1 (en) * 2012-12-28 2015-04-16 Bsh Electrodomésticos España, S.A. Procedure for passivating a metal surface, and domestic appliance, in particular, domestic dishwasher with a wall part
DE102012102721B4 (en) 2012-03-29 2013-12-05 BSH Bosch und Siemens Hausgeräte GmbH Method for passivating a metal surface
EP2644739B1 (en) * 2012-03-29 2019-03-06 BSH Hausgeräte GmbH Method for passivating a metal surface and domestic appliance, in particular domestic dishwasher with a wall portion
MX2016007183A (en) 2013-12-12 2016-07-21 Nippon Steel & Sumitomo Metal Corp Al-plated steel sheet for hot pressing and process for manufacturing al-plated steel sheet for hot pressing.
CN103769432B (en) * 2014-01-28 2016-02-10 威海银兴预应力线材有限公司 Electrolytic phosphating method
CN106757280B (en) * 2016-12-13 2018-09-11 河南恒星钢缆股份有限公司 A kind of low temperature On-line electrolytic dissolution phosphating solution
EP4023790A4 (en) * 2019-08-29 2022-10-12 Nippon Steel Corporation Hot-stamped article
CN113478926A (en) * 2021-06-17 2021-10-08 杭州普络飞新材料科技有限公司 Low-temperature-resistant PCM composite steel plate and preparation method thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2026749A1 (en) * 1968-12-20 1970-09-18 Hooker Chemical Corp
JPS56119780A (en) * 1980-02-27 1981-09-19 Nisshin Steel Co Ltd Pretreatment for phosphating treatment of steel sheet
GB2138844A (en) * 1983-04-26 1984-10-31 Pyrene Chemical Services Ltd Formation of phosphate coatings on zinc and iron surfaces
JPS6029476A (en) * 1983-07-27 1985-02-14 Nippon Paint Co Ltd Phosphation of galvanized steel sheet
JPS60211080A (en) * 1984-04-04 1985-10-23 Nippon Paint Co Ltd Treatment with zinc phosphate by immersion
JPH01127697A (en) * 1987-11-09 1989-05-19 Toshiyuki Ota Surface treatment of metal
JPH02153098A (en) * 1988-12-05 1990-06-12 Toshiyuki Ota Phosphating method
EP0454361A2 (en) * 1990-04-24 1991-10-30 Nippon Paint Co., Ltd. Process for phosphating metal surface to form a zinc phosphate coating
WO1992017628A1 (en) * 1991-04-06 1992-10-15 Henkel Kommanditgesellschaft Auf Aktien Process for phosphatizing metallic surfaces
DE4241134A1 (en) * 1992-12-07 1994-06-09 Henkel Kgaa Process for phosphating metal surfaces

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2026749A1 (en) * 1968-12-20 1970-09-18 Hooker Chemical Corp
JPS56119780A (en) * 1980-02-27 1981-09-19 Nisshin Steel Co Ltd Pretreatment for phosphating treatment of steel sheet
GB2138844A (en) * 1983-04-26 1984-10-31 Pyrene Chemical Services Ltd Formation of phosphate coatings on zinc and iron surfaces
JPS6029476A (en) * 1983-07-27 1985-02-14 Nippon Paint Co Ltd Phosphation of galvanized steel sheet
JPS60211080A (en) * 1984-04-04 1985-10-23 Nippon Paint Co Ltd Treatment with zinc phosphate by immersion
JPH01127697A (en) * 1987-11-09 1989-05-19 Toshiyuki Ota Surface treatment of metal
JPH02153098A (en) * 1988-12-05 1990-06-12 Toshiyuki Ota Phosphating method
EP0454361A2 (en) * 1990-04-24 1991-10-30 Nippon Paint Co., Ltd. Process for phosphating metal surface to form a zinc phosphate coating
WO1992017628A1 (en) * 1991-04-06 1992-10-15 Henkel Kommanditgesellschaft Auf Aktien Process for phosphatizing metallic surfaces
DE4241134A1 (en) * 1992-12-07 1994-06-09 Henkel Kgaa Process for phosphating metal surfaces

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 111, no. 26, 25 December 1989, Columbus, Ohio, US; abstract no. 242606e, OTA T.: "SURFACE TREATMENT OF METAL FOR CORROSION RESISTANCE" *
CHEMICAL ABSTRACTS, vol. 113, no. 18, 29 October 1990, Columbus, Ohio, US; abstract no. 161218, OTA T.: "Phosphating by cathodic treatment" *
GEHMECKER H.: "Trikation-Phosphatierung von Aluminium, Stahl und Zink", METALLOBERFLACHE, vol. 44, no. 10, 1 October 1990 (1990-10-01), MUNCHEN DE, pages 485 - 489, XP000205144 *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 71 (C - 334)<2128> 20 March 1986 (1986-03-20) *
PATENT ABSTRACTS OF JAPAN vol. 5, no. 195 (C - 83)<867> 11 December 1981 (1981-12-11) *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 153 (C - 288)<1876> 27 June 1985 (1985-06-27) *

Also Published As

Publication number Publication date
KR950014360A (en) 1995-06-16
KR100215263B1 (en) 1999-08-16
EP0653502A2 (en) 1995-05-17

Similar Documents

Publication Publication Date Title
EP0653502A3 (en) Zinc-containing metal-plated composite steel article and method of producing the same.
EP0666239A4 (en) Composite metal oxide powder and process for producing the same.
EP0636879A3 (en) Biosensor and method for producing the same.
GB2281047B (en) Structural member and method for forming the same
EP0750684A4 (en) Composite article, alloy and method
EP0666238A4 (en) Metal oxide powder and process for producing the same.
EP0653297A3 (en) Polyimide composite tube and method of manufacturing the same.
EP0651449A3 (en) Electronic component and method for producing the same.
AU4767993A (en) Ballistic-resistant article and process for making the same
HK1009976A1 (en) Powder having at least one layer and process for preparing the same
EP0682122A4 (en) High-strength high-ductility two-phase stainless steel and process for producing the same.
EP0655777A3 (en) Varactor and method of forming.
EP0652490A3 (en) Magnetic particles and process for producing the same.
EP0569696A3 (en) Coated cemented carbide member and method of manufacturing the same.
AU618262B2 (en) Metal article and method for producing the same
EP0557588A3 (en) Composite article and method of producing the same
GB2280403B (en) Composite films and method of producing the same
GB2313847B (en) Member having composite coating and process for producing the same
EP0612812A3 (en) Resin composites and method for producing the same.
ZA966038B (en) Hard composite and method of making the same.
EP0606187A3 (en) Composite reactive articles for the determination of cyanide.
EP0660423A3 (en) Superconductor and method of producing same.
GB2285265B (en) Sliding-contact material and method of manufacturing the same.
AU6082394A (en) Thermostructural composite articles and method for making same
EP0616988A3 (en) Ceramic composite and method.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19960115

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19961011