EP0188975B8 - Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables - Google Patents

Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables Download PDF

Info

Publication number: EP0188975B8
Authority: EP; European Patent Office
Prior art keywords: steels; acid pickling; particular stainless; pickling; stainless steels
Prior art date: 1985-01-22
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 - Lifetime

Application number

EP85420013A

Other languages

German (de)

English (en)

Other versions

EP0188975B1 (fr

EP0188975B2 (fr

EP0188975A1 (fr

Inventor

Bernard Chetreff

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.)

Ugine Aciers de Chatillon et Guegnon

Original Assignee

Ugine SA

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.)

1985-01-22

Filing date

1985-01-22

Publication date

2002-01-09

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8194569&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0188975(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1985-01-22 Application filed by Ugine SA filed Critical Ugine SA

1985-01-22 Priority to AT85420013T priority Critical patent/ATE121804T1/de

1985-01-22 Priority to DE3588013T priority patent/DE3588013T3/de

1985-01-22 Priority to EP85420013A priority patent/EP0188975B8/fr

1986-07-30 Publication of EP0188975A1 publication Critical patent/EP0188975A1/fr

1995-04-26 Publication of EP0188975B1 publication Critical patent/EP0188975B1/fr

2001-10-24 Publication of EP0188975B2 publication Critical patent/EP0188975B2/fr

2002-01-09 Application granted granted Critical

2002-01-09 Publication of EP0188975B8 publication Critical patent/EP0188975B8/fr

2005-01-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

EP85420013A 1985-01-22 1985-01-22 Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables Expired - Lifetime EP0188975B8 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
AT85420013T ATE121804T1 (de)	1985-01-22	1985-01-22	Verfahren zum säuren beizen von stahlen, insbesondere von rostfreien stahlen.
DE3588013T DE3588013T3 (de)	1985-01-22	1985-01-22	Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen.
EP85420013A EP0188975B8 (fr)	1985-01-22	1985-01-22	Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP85420013A EP0188975B8 (fr)	1985-01-22	1985-01-22	Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables

Publications (4)

Publication Number	Publication Date
EP0188975A1 EP0188975A1 (fr)	1986-07-30
EP0188975B1 EP0188975B1 (fr)	1995-04-26
EP0188975B2 EP0188975B2 (fr)	2001-10-24
EP0188975B8 true EP0188975B8 (fr)	2002-01-09

Family

ID=8194569

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP85420013A Expired - Lifetime EP0188975B8 (fr)	1985-01-22	1985-01-22	Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables

Country Status (3)

Country	Link
EP (1)	EP0188975B8 (fr)
AT (1)	ATE121804T1 (fr)
DE (1)	DE3588013T3 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2587369B1 (fr) *	1985-09-19	1993-01-29	Ugine Gueugnon Sa	Procede de decapage acide de produits en acier inoxydable
US5154774A (en) *	1985-09-19	1992-10-13	Ugine Aciers De Chatillon Et Gueugnon	Process for acid pickling of stainless steel products
US4872919A (en) *	1988-01-28	1989-10-10	The Procter & Gamble Company	Method for removing precipitated calcium citrate from juice pasteurization or sterilization equipment
DE3937438C2 (de) *	1989-02-23	1998-01-29	Wilfried Simmer	Verfahren zum Beizen von Stahl
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.
IT1245594B (it) *	1991-03-29	1994-09-29	Itb Srl	Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
IT1255655B (it) *	1992-08-06	1995-11-09		Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
IT1276955B1 (it) *	1995-10-18	1997-11-03	Novamax Itb S R L	Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
IT1276954B1 (it) *	1995-10-18	1997-11-03	Novamax Itb S R L	Processo di decapaggio e di passivazione di acciaio inossidabile senza impiego di acido nitrico
FR2745301B1 (fr) *	1996-02-27	1998-04-03	Usinor Sacilor	Procede de decapage d'une piece en acier et notamment d'une bande de tole en acier inoxydable
FR2772050B1 (fr) *	1997-12-10	1999-12-31	Imphy Sa	Procede de decapage d'acier et notamment d'acier inoxydable
GB9807286D0 (en) *	1998-04-06	1998-06-03	Solvay Interox Ltd	Pickling process
DE19850524C2 (de) *	1998-11-03	2002-04-04	Eilenburger Elektrolyse & Umwelttechnik Gmbh	Nitratfreies Recycling-Beizverfahren für Edelstähle
IT1312556B1 (it)	1999-05-03	2002-04-22	Henkel Kgaa	Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro
DE10160318A1 (de) *	2001-12-07	2003-06-18	Henkel Kgaa	Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
WO2008100476A1 (fr) *	2007-02-12	2008-08-21	Henkel Ag & Co. Kgaa	Procédé de traitement de surfaces métalliques
KR101373975B1 (ko)	2008-11-14	2014-03-12	에이케이 스틸 프로퍼티즈 인코포레이티드	제2철 이온을 함유하는 산성 산세척액으로 규소강을 산세척하는 방법
DE102012004907A1 (de)	2012-03-02	2013-09-05	Sms Siemag Ag	Verfahren zum Beizen von Standard Stählen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2474526A (en)	1940-06-15	1949-06-28	Monsanto Chemicals	Picking of stainless steels
US2564549A (en) *	1945-07-02	1951-08-14	Albert R Stargardter	Pickling treatment
DE899890C (de) *	1952-03-18	1953-12-17	Deutsche Edelstahlwerke Ag	Verfahren zum Regenerieren von Beizbaedern
JPS549120A (en)	1977-06-24	1979-01-23	Tokai Electro Chemical Co	Method of controlling acid cleaning liquid for stainless steel

1985
- 1985-01-22 EP EP85420013A patent/EP0188975B8/fr not_active Expired - Lifetime
- 1985-01-22 DE DE3588013T patent/DE3588013T3/de not_active Expired - Lifetime
- 1985-01-22 AT AT85420013T patent/ATE121804T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3588013D1 (de)	1995-06-01
EP0188975B1 (fr)	1995-04-26
EP0188975B2 (fr)	2001-10-24
DE3588013T2 (de)	1995-09-14
ATE121804T1 (de)	1995-05-15
DE3588013T3 (de)	2002-06-06
EP0188975A1 (fr)	1986-07-30

Publication	Publication Date	Title
EP0188975B8 (fr)	2002-01-09	Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables
EP0811580A3 (fr)	1998-12-02	Procédé d'élimination d'un métal lourd à partir de boues
ES481717A1 (es)	1980-03-01	Procedimiento para separar oxidos de nitrogeno de una mezclagaseosa.
EP0202824A3 (fr)	1988-08-17	Processus d'oxydation
EP0201278A3 (fr)	1988-04-27	Procédés pour la transformation biologique
DK0541448T3 (da)	1997-05-20	Fremgangsmåde til kontinuerlig dekapering af stålmaterialer på et behandlingsbånd
EP0103210A3 (en)	1985-09-25	L-2-hydroxy-4-methylpentanoic acid dehydrogenase, process for its production and its use
EP0471662A3 (en)	1992-05-20	Process for pickling stainless steel
JPS5394444A (en)	1978-08-18	Method of treating waste water containing highly concentrated ammonia nitrogen
DE3664339D1 (en)	1989-08-17	Compositions and process for chemically polishing steel surfaces
CA2030126A1 (fr)	1991-05-17	Procede de conversion chimique de substrats metalliques, bain de conversion connexe et concentre adapte a la preparation du bain
GB2013339A (en)	1979-08-08	Method and apparatus for the determination of nitrates or nitrates in aqueous solutions
JPS53102866A (en)	1978-09-07	Treating method for waste gas comtaining ammonia
Chetreff	1986	Process for the Acid Pickling of Steels, in Particular Stainless Steels
JPS5351657A (en)	1978-05-11	Method for disposing organic waste water
UA19836A1 (uk)	1997-12-25	Спосіб одержаhhя коhцеhтроваhого розчиhу hітрату амоhію
JPS52100748A (en)	1977-08-24	Biological denitrification method
JPS53120100A (en)	1978-10-20	Decomposition method of nitric acid and or nitric acid ion
BG43237A1 (en)	1988-05-16	Apparatus for performing conversion of ammonium sulphite- bisulphite solutions with nitric acid in ammonia- acid method for purifying of flue gases
JPS54112728A (en)	1979-09-03	Descaling method for high ni high cr stainless steel products
Dalin et al.	1988	Method of reducing the emission of nitrogen oxides from a liquid containing nitric acid
JPS5319672A (en)	1978-02-23	Biological denitrification
Kawasaki et al.	1989	Process for Descaling Cold Rolled and Annealed Steel
SU1172283A1 (ru)	1999-12-20	Способ переработки молибденсодержащих продуктов
JPS55119491A (en)	1980-09-13	Removing method for hydrazine in dilute water solution

Legal Events

Date	Code	Title	Description
1986-06-14	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
1986-07-30	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE
1986-11-20	17P	Request for examination filed	Effective date: 19860916
1988-05-11	19A	Proceedings stayed before grant	Effective date: 19870525
1990-08-08	19F	Resumption of proceedings before grant (after stay of proceedings)	Effective date: 19900809
1991-05-08	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: UGINE ACIERS DE CHATILLON ET GUEUGNON
1991-07-17	17Q	First examination report despatched	Effective date: 19910603
1993-02-10	ITCL	It: translation for ep claims filed	Representative=s name: JACOBACCI CASETTA & PERANI S.P.A.
1993-06-16	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: UGINE S.A.
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