ATE253534T1 - Alkalibehandlung von rostfreiem stahl - Google Patents

Alkalibehandlung von rostfreiem stahl

Info

Publication number
ATE253534T1
ATE253534T1 AT95933210T AT95933210T ATE253534T1 AT E253534 T1 ATE253534 T1 AT E253534T1 AT 95933210 T AT95933210 T AT 95933210T AT 95933210 T AT95933210 T AT 95933210T AT E253534 T1 ATE253534 T1 AT E253534T1
Authority
AT
Austria
Prior art keywords
stainless steel
chelant
oxide film
alkaline treatment
contact
Prior art date
Application number
AT95933210T
Other languages
English (en)
Inventor
Sadiq Shah
Fred Kirchner
Original Assignee
Steris Inc
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 Steris Inc filed Critical Steris Inc
Application granted granted Critical
Publication of ATE253534T1 publication Critical patent/ATE253534T1/de

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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19Iron or steel
    • 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
    • C23C22/60Chemical 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 alkaline aqueous solutions with pH greater than 8
    • C23C22/62Treatment of iron or alloys based thereon

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)
  • Chemical Treatment Of Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Detergent Compositions (AREA)
AT95933210T 1994-09-26 1995-09-22 Alkalibehandlung von rostfreiem stahl ATE253534T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31238594A 1994-09-26 1994-09-26
PCT/US1995/012183 WO1996009994A1 (en) 1994-09-26 1995-09-22 Stainless steel alkali treatment

Publications (1)

Publication Number Publication Date
ATE253534T1 true ATE253534T1 (de) 2003-11-15

Family

ID=23211201

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95933210T ATE253534T1 (de) 1994-09-26 1995-09-22 Alkalibehandlung von rostfreiem stahl

Country Status (9)

Country Link
US (1) US5858118A (de)
EP (1) EP0781258B1 (de)
JP (1) JP2941949B2 (de)
AT (1) ATE253534T1 (de)
AU (1) AU3596295A (de)
CA (1) CA2200615C (de)
DE (1) DE69532082T2 (de)
ES (1) ES2210313T3 (de)
WO (1) WO1996009994A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280527B1 (en) * 1998-06-12 2001-08-28 International Business Machines Corporation Aqueous quaternary ammonium hydroxide as a screening mask cleaner
US6341612B1 (en) 2000-03-09 2002-01-29 Steris Inc Two compartment container for neutralizing used cleaning solutions
US6770150B1 (en) 2000-03-09 2004-08-03 Steris Inc. Process for removing deposits from enclosed chambers
US6550487B1 (en) 2000-03-09 2003-04-22 Steris Inc. Apparatus for removing deposits from enclosed chambers
US20040094236A1 (en) * 2002-11-14 2004-05-20 Crown Technology, Inc. Methods for passivating stainless steel
AU2003303439A1 (en) * 2002-12-20 2004-07-22 Applied Materials, Inc. Micromachined intergrated fluid delivery system
CA2534566A1 (en) * 2003-08-04 2005-02-24 Alexza Pharmaceuticals, Inc. Substrates for drug delivery device and methods of preparing and use
US7102512B2 (en) * 2003-10-07 2006-09-05 Accenture Global Services Gmbh Mobile security unit
US20050234545A1 (en) * 2004-04-19 2005-10-20 Yea-Yang Su Amorphous oxide surface film for metallic implantable devices and method for production thereof
WO2008112661A2 (en) 2007-03-09 2008-09-18 Alexza Pharmaceuticals, Inc. Heating unit for use in a drug delivery device
SI2348142T1 (sl) 2010-01-25 2019-03-29 Westinghouse Electric Company Llc Postopek in pripravek za odstranjevanje usedlin vodnega kamna s kovinskih površin v generatorju pare
CA3075329C (en) 2010-01-26 2022-11-01 Dominion Engineering, Inc. Method and composition for removing deposits
US8734907B2 (en) 2012-02-02 2014-05-27 Sematech, Inc. Coating of shield surfaces in deposition systems
US8734586B2 (en) 2012-02-02 2014-05-27 Sematech, Inc. Process for cleaning shield surfaces in deposition systems
CN107177855B (zh) * 2017-05-18 2019-10-15 东莞市信成医疗器械科技有限公司 一种不锈钢表面处理方法及不锈钢塑胶复合体的制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077454A (en) * 1960-07-14 1963-02-12 Dow Chemical Co Compositions for inhibiting corrosion
US3072502A (en) * 1961-02-14 1963-01-08 Pfizer & Co C Process for removing copper-containing iron oxide scale from metal surfaces
NL275534A (de) * 1961-03-15
US3308065A (en) * 1963-07-22 1967-03-07 Dow Chemical Co Scale removal, ferrous metal passivation and compositions therefor
DE1216066B (de) * 1963-01-29 1966-05-05 Henkel & Cie Gmbh Verfahren zur Behandlung von entfetteten und mit einer sauren Loesung gebeizten Metallober-flaechen vor dem Emaillieren
NL149551B (nl) * 1964-08-04 1976-05-17 Dow Chemical Co Werkwijze voor het reinigen en passiveren van ijzerhoudende metaaloppervlakken, waarop metallisch koper is afgezet.
US3413160A (en) * 1965-10-24 1968-11-26 Dow Chemical Co Passivation of ferrous metal surface
US3519458A (en) * 1966-03-01 1970-07-07 Hooker Chemical Corp Method for reducing the corrosion susceptibility of ferrous metal having fluxing agent residue
US3506576A (en) * 1967-06-20 1970-04-14 Dow Chemical Co Metal cleaning solution of chelating agent and water-soluble sulfide
US3549538A (en) * 1967-06-22 1970-12-22 Nalco Chemical Co Scale inhibition and removal in steam generation
US3865628A (en) * 1973-02-26 1975-02-11 Cesco Inc Removal of polymer residue from surfaces of processing equipment
US4045253A (en) * 1976-03-15 1977-08-30 Halliburton Company Passivating metal surfaces
US4430128A (en) * 1980-12-05 1984-02-07 The Dow Chemical Company Aqueous acid composition and method of use
US4454046A (en) * 1982-09-07 1984-06-12 The Dow Chemical Company Boiler scale prevention employing an organic chelant
SU1122756A1 (ru) * 1983-01-11 1984-11-07 Предприятие П/Я А-1891 Раствор дл очистки деталей из коррозионностойких сплавов
US4590100A (en) * 1983-10-28 1986-05-20 The United States Of America As Represented By The Secretary Of The Navy Passivation of steel with aqueous amine solutions preparatory to application of non-aqueous protective coatings
US5039349A (en) * 1990-05-18 1991-08-13 Veriflo Corporation Method and apparatus for cleaning surfaces to absolute or near-absolute cleanliness
DE4114951A1 (de) * 1991-05-08 1992-11-12 Siemens Ag Verfahren zum aufloesen von eisenoxiden und loesungssubstanz dafuer
US5252363A (en) * 1992-06-29 1993-10-12 Morton International, Inc. Method to produce universally paintable passivated galvanized steel
DE4312417A1 (de) * 1993-04-16 1994-10-20 Henkel Kgaa Verfahren zur Erhöhung der Korrosionsbeständigkeit von nichtrostendem Stahl

Also Published As

Publication number Publication date
US5858118A (en) 1999-01-12
ES2210313T3 (es) 2004-07-01
WO1996009994A1 (en) 1996-04-04
CA2200615A1 (en) 1996-04-04
DE69532082T2 (de) 2004-08-26
CA2200615C (en) 2000-11-28
JP2941949B2 (ja) 1999-08-30
EP0781258A1 (de) 1997-07-02
EP0781258B1 (de) 2003-11-05
AU3596295A (en) 1996-04-19
EP0781258A4 (de) 1998-05-27
DE69532082D1 (de) 2003-12-11
JPH10503241A (ja) 1998-03-24

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties