DK0603763T3 - Anvendelse af let fjernelige inhibitorer i bejdsesyrer - Google Patents

Anvendelse af let fjernelige inhibitorer i bejdsesyrer

Info

Publication number
DK0603763T3
DK0603763T3 DK93120411.9T DK93120411T DK0603763T3 DK 0603763 T3 DK0603763 T3 DK 0603763T3 DK 93120411 T DK93120411 T DK 93120411T DK 0603763 T3 DK0603763 T3 DK 0603763T3
Authority
DK
Denmark
Prior art keywords
inhibitors
acids
pickle
easily removable
pickling acids
Prior art date
Application number
DK93120411.9T
Other languages
English (en)
Inventor
Guenther Dr Wasow
Lothar Klicker
Hay Fieten
Klaus Dr Tebbe
Original Assignee
Norsk Hydro Chemtech 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 Norsk Hydro Chemtech Gmbh filed Critical Norsk Hydro Chemtech Gmbh
Application granted granted Critical
Publication of DK0603763T3 publication Critical patent/DK0603763T3/da

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
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
    • C23G1/061—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors nitrogen-containing compounds
    • 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
    • C23G1/36—Regeneration of waste pickling liquors

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DK93120411.9T 1992-12-24 1993-12-17 Anvendelse af let fjernelige inhibitorer i bejdsesyrer DK0603763T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4244245A DE4244245A1 (de) 1992-12-24 1992-12-24 Verwendung von leicht entfernbaren Inhibitoren in Beizsäuren

Publications (1)

Publication Number Publication Date
DK0603763T3 true DK0603763T3 (da) 1995-12-04

Family

ID=6476650

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93120411.9T DK0603763T3 (da) 1992-12-24 1993-12-17 Anvendelse af let fjernelige inhibitorer i bejdsesyrer

Country Status (5)

Country Link
EP (1) EP0603763B1 (da)
AT (1) ATE127538T1 (da)
DE (2) DE4244245A1 (da)
DK (1) DK0603763T3 (da)
ES (1) ES2077465T3 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618899A1 (de) * 1996-05-10 1997-11-13 Metallgesellschaft Ag Verfahren zum Entfernen von mit Seifen behafteten Konversionsschichten von metallischen Werkstücken

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE481309A (da) * 1947-03-25
US3113113A (en) * 1958-11-07 1963-12-03 Armour & Co Corrosion inhibitor compositions
US3056746A (en) * 1959-02-24 1962-10-02 Jr Frederick C Brightly Acid pickling composition with inhibitor
FR1283323A (fr) * 1960-12-23 1962-02-02 Cie D Applic Chimiques A L Ind Produit inhibiteur de l'attaque des métaux par les acides forts
GB1010753A (en) * 1963-08-22 1965-11-24 Ici Ltd Corrosion restraining compositions
JPS4989635A (da) * 1972-12-27 1974-08-27
US4381249A (en) * 1979-05-14 1983-04-26 Bouffard Joseph O Rust removing and metal surface protecting composition

Also Published As

Publication number Publication date
DE59300568D1 (de) 1995-10-12
ATE127538T1 (de) 1995-09-15
EP0603763B1 (de) 1995-09-06
ES2077465T3 (es) 1995-11-16
DE4244245A1 (de) 1994-06-30
EP0603763A1 (de) 1994-06-29

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