EP0596273A1 - Produits de décapage de surfaces d'aciers au chromenickel ou d'aciers du chrome et leur utilisation - Google Patents

Produits de décapage de surfaces d'aciers au chromenickel ou d'aciers du chrome et leur utilisation Download PDF

Info

Publication number
EP0596273A1
EP0596273A1 EP93116251A EP93116251A EP0596273A1 EP 0596273 A1 EP0596273 A1 EP 0596273A1 EP 93116251 A EP93116251 A EP 93116251A EP 93116251 A EP93116251 A EP 93116251A EP 0596273 A1 EP0596273 A1 EP 0596273A1
Authority
EP
European Patent Office
Prior art keywords
acid
chromium
pickling
agent
steels
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
Application number
EP93116251A
Other languages
German (de)
English (en)
Other versions
EP0596273B1 (fr
Inventor
Razmik Abedian
Siegfried Piesslinger-Schweiger
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.)
Poligrat GmbH
Original Assignee
POLIGRAT - HOLDING GmbH
POLIGRAT - Holding GmbH
Poligrat GmbH
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 POLIGRAT - HOLDING GmbH, POLIGRAT - Holding GmbH, Poligrat GmbH filed Critical POLIGRAT - HOLDING GmbH
Publication of EP0596273A1 publication Critical patent/EP0596273A1/fr
Application granted granted Critical
Publication of EP0596273B1 publication Critical patent/EP0596273B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/086—Iron or steel solutions containing HF
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/088—Iron or steel solutions containing organic acids
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/06—Wholly-metallic mirrors
EP93116251A 1992-11-02 1993-10-07 Produits de décapage de surfaces d'aciers au chromenickel ou d'aciers du chrome et leur utilisation Expired - Lifetime EP0596273B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4237021A DE4237021C1 (de) 1992-11-02 1992-11-02 Mittel zum Beizen der Oberfläche von Chromnickelstählen und Chromstählen sowie Verwendung des Mittels
DE4237021 1992-11-02

Publications (2)

Publication Number Publication Date
EP0596273A1 true EP0596273A1 (fr) 1994-05-11
EP0596273B1 EP0596273B1 (fr) 1998-05-06

Family

ID=6471947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116251A Expired - Lifetime EP0596273B1 (fr) 1992-11-02 1993-10-07 Produits de décapage de surfaces d'aciers au chromenickel ou d'aciers du chrome et leur utilisation

Country Status (5)

Country Link
EP (1) EP0596273B1 (fr)
AT (1) ATE165876T1 (fr)
DE (2) DE4237021C1 (fr)
DK (1) DK0596273T3 (fr)
ES (1) ES2114991T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004035861A1 (fr) * 2002-10-15 2004-04-29 Henkel Kommanditgesellschaft Auf Aktien Solution et procede de derochage ou de brillantage/passivation d'acier inoxydable
WO2005024099A1 (fr) * 2003-09-05 2005-03-17 Poligrat Gmbh Procede d'electropolissage
WO2008107082A1 (fr) * 2007-03-05 2008-09-12 Poligrat Gmbh Procédé de passivation thermochimique d'acier inoxydable
EP3269844A1 (fr) * 2016-07-11 2018-01-17 Beratherm AG Solution de nettoyage aqueuse destinée à éliminer des couches de noir de fonderie sur des surfaces d'aciers inoxydables en contact avec des fluides , son utilisation

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9401214A (pt) * 1994-03-18 1995-10-24 Frimox Quimica Ltda Composição,solução e processo de tratamento de superfícies de materiais ferrosos
DE19833990A1 (de) * 1998-07-29 2000-02-10 Metallgesellschaft Ag Beizmittel für Edelstähle
DE10110823A1 (de) * 2001-03-07 2002-10-02 Bosch Gmbh Robert Verfahren zum Abtragen von Materialablagerungen, die bei einer Laserbearbeitung entstehen
DE102005055768A1 (de) * 2005-11-21 2007-05-24 Ralf Waldmann Verfahren und Mittel zur elektrolytischen Reinigung und Entzunderung eines metallischen Werkstücks
DE102008021299A1 (de) * 2008-04-21 2009-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Katalysator für toxische Kohlenwasserstoffverbindungen und/oder organische Verbindungen sowie Verfahren zu seiner Herstellung
DE102016210289A1 (de) 2016-06-10 2017-12-14 Henkel Ag & Co. Kgaa Verfahren zur reinigenden Vorbehandlung von durch Schweißen zusammengefügten eisenhaltigen Bauteilen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB891670A (en) * 1957-09-04 1962-03-14 English Electric Co Ltd Improvements in and relating to the removing of scale from silicon iron and other metals
US3785866A (en) * 1965-04-09 1974-01-15 Oakite Prod Inc Method for avoiding pitting in plating oxide-film-developing metals
JPS61235581A (ja) * 1985-04-12 1986-10-20 C Uyemura & Co Ltd スケ−ル除去剤及びスケ−ル除去方法
JPS61276999A (ja) * 1985-05-30 1986-12-06 Nippon Steel Corp Ｃｒ含有鋼板の酸洗法
EP0505606A1 (fr) * 1991-03-29 1992-09-30 Itb S.R.L. Procédé de décapage et de passivation de l'acier inoxydable sans utilisation de l'acide nitrique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US947067A (en) * 1908-09-30 1910-01-18 Int Nickel Co Method of treating nickel-copper alloys.
US3010854A (en) * 1954-12-31 1961-11-28 Armco Steel Corp Pickling solution and method
DE3742367A1 (de) * 1987-12-14 1989-06-22 Pelox Chemietechnik Gmbh Co Kg Beiz- und reinigungsmittel fuer metalloberflaechen
JPH0273983A (ja) * 1988-09-07 1990-03-13 Nippon Parkerizing Co Ltd アルミニウム用酸性洗浄液
FR2673200A1 (fr) * 1991-02-25 1992-08-28 Ugine Aciers Procede de surdecapage de materiaux en acier tels que les aciers inoxydables et les aciers allies.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB891670A (en) * 1957-09-04 1962-03-14 English Electric Co Ltd Improvements in and relating to the removing of scale from silicon iron and other metals
US3785866A (en) * 1965-04-09 1974-01-15 Oakite Prod Inc Method for avoiding pitting in plating oxide-film-developing metals
JPS61235581A (ja) * 1985-04-12 1986-10-20 C Uyemura & Co Ltd スケ−ル除去剤及びスケ−ル除去方法
JPS61276999A (ja) * 1985-05-30 1986-12-06 Nippon Steel Corp Ｃｒ含有鋼板の酸洗法
EP0505606A1 (fr) * 1991-03-29 1992-09-30 Itb S.R.L. Procédé de décapage et de passivation de l'acier inoxydable sans utilisation de l'acide nitrique

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Derwent World Patents Index; AN 87-018613 *
PATENT ABSTRACTS OF JAPAN vol. 11, no. 80 (C - 409)<2527> 11 March 1987 (1987-03-11) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004035861A1 (fr) * 2002-10-15 2004-04-29 Henkel Kommanditgesellschaft Auf Aktien Solution et procede de derochage ou de brillantage/passivation d'acier inoxydable
US8192556B2 (en) 2002-10-15 2012-06-05 Henkel Kgaa Pickling or brightening/passivating solution and process for steel and stainless steel
WO2005024099A1 (fr) * 2003-09-05 2005-03-17 Poligrat Gmbh Procede d'electropolissage
WO2008107082A1 (fr) * 2007-03-05 2008-09-12 Poligrat Gmbh Procédé de passivation thermochimique d'acier inoxydable
US8430973B2 (en) 2007-03-05 2013-04-30 Poligrat Gmbh Method for the thermochemical passivation of stainless steel
EP3269844A1 (fr) * 2016-07-11 2018-01-17 Beratherm AG Solution de nettoyage aqueuse destinée à éliminer des couches de noir de fonderie sur des surfaces d'aciers inoxydables en contact avec des fluides , son utilisation

Also Published As

Publication number Publication date
ATE165876T1 (de) 1998-05-15
DE59308502D1 (de) 1998-06-10
EP0596273B1 (fr) 1998-05-06
DE4237021C1 (de) 1994-02-10
DK0596273T3 (da) 1999-02-15
ES2114991T3 (es) 1998-06-16

Similar Documents

Publication Publication Date Title
DE2359021A1 (de) Beizloesung und verfahren zum beizen von metallen
DE1161740B (de) Verfahren zum Beizen von legierten Staehlen
DE60102387T2 (de) Methode zum kontinuierlichen elektrolytischen beizen von metallen mittels wechselstrom gespeisten zellen
EP0596273B1 (fr) Produits de décapage de surfaces d&#39;aciers au chromenickel ou d&#39;aciers du chrome et leur utilisation
EP2352860B1 (fr) Procédé destiné au traitement de surfaces en acier inoxydable
DE2847267A1 (de) Einstufiges, vorzugsweise mehrstufiges verfahren zum beizen und/oder chemischen glaenzen von kupfer oder kupferlegierungen
DE3222532C2 (fr)
DE3033961C2 (de) Wäßriges Bad zum anodischen Entfernen von Metallüberzügen von einem davon verschiedenen Grundmetall sowie ein Verfahren zum anodischen Entfernen von Metallüberzügen unter Verwendung dieses Bades
DE10160318A1 (de) Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
DE1546124A1 (de) Oberflaechenbehandlungsmittel
DE2710459C2 (de) Verfahren zum elektrolytischen Entzundern eines metallischen Körpers und seine Anwendung auf legierten Stahl
DE1220699B (de) Beizbad fuer rostfreien Stahl
AT391486B (de) Verfahren zum elektrolytischen beizen von edelstahlband
DE10156624B4 (de) Verfahren und Beizlösung zum Abreinigen von Belägen eines Stahl-Werkstückes
EP1100982B1 (fr) Decapant pour aciers speciaux
DE1908421C3 (de) Mittel zum Ablösen von kupferhaltigen Metallüberzügen von Eisen- und Stahloberflächen
DE19624436A1 (de) Verfahren zur Oberflächenbehandlung von aus Edelstahl bestehendem Behandlungsgut
DE4329290C2 (de) Verfahren zum elektrolytischen Reinigen metallischer Teile und dessen Anwendung
DE3742367C2 (fr)
EP0795627B1 (fr) Agent décapant pour acier inoxydable
EP0814180A1 (fr) Procédé de traitement de surfaces en acier inoxydable
DE1621611A1 (de) Verfahren und Loesung zum Beizen von Kupferlegierungen
DE2507059A1 (de) Verfahren zur reinigung von eisen enthaltenden metallgegenstaenden
DE2559289A1 (de) Mittel und verfahren zum entzundern, beizen und glaenzen von edelstahl
DE2714136B2 (de) Verfahren zur Entzunderung eines Metallkörpers

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: A1

Designated state(s): AT BE CH DE DK ES FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19940323

17Q First examination report despatched

Effective date: 19940705

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POLIGRAT - HOLDING GESELLSCHAFT MBH

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POLIGRAT GMBH

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB IT LI LU NL SE

REF Corresponds to:

Ref document number: 165876

Country of ref document: AT

Date of ref document: 19980515

Kind code of ref document: T

ITF It: translation for a ep patent filed

Owner name: STUDIO CIONI & PIPPARELLI

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 59308502

Country of ref document: DE

Date of ref document: 19980610

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2114991

Country of ref document: ES

Kind code of ref document: T3

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19980623

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981007

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981007

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981007

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981007

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981008

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981008

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981031

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981031

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981031

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
BERE Be: lapsed

Owner name: POLIGRAT G.M.B.H.

Effective date: 19981031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990501

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19981007

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

EUG Se: european patent has lapsed

Ref document number: 93116251.5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990630

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 19990501

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990803

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 19991113

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051007