BE770794A - METHOD AND COMPOSITION FOR THE TREATMENT OF METAL SURFACES WITH OR WITHOUT A CHEMICAL CONVERSION COATING - Google Patents

METHOD AND COMPOSITION FOR THE TREATMENT OF METAL SURFACES WITH OR WITHOUT A CHEMICAL CONVERSION COATING

Info

Publication number
BE770794A
BE770794A BE770794A BE770794A BE770794A BE 770794 A BE770794 A BE 770794A BE 770794 A BE770794 A BE 770794A BE 770794 A BE770794 A BE 770794A BE 770794 A BE770794 A BE 770794A
Authority
BE
Belgium
Prior art keywords
treatment
composition
chemical conversion
metal surfaces
conversion coating
Prior art date
Application number
BE770794A
Other languages
French (fr)
Original Assignee
Parker Ste Continentale
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 Parker Ste Continentale filed Critical Parker Ste Continentale
Publication of BE770794A publication Critical patent/BE770794A/en

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
    • C23C—COATING 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
    • C23C22/00—Chemical 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
    • C23C22/05—Chemical 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
    • C23C22/60—Chemical 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
BE770794A 1970-12-24 1971-07-30 METHOD AND COMPOSITION FOR THE TREATMENT OF METAL SURFACES WITH OR WITHOUT A CHEMICAL CONVERSION COATING BE770794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7046683A FR2119250A5 (en) 1970-12-24 1970-12-24 Surface treatment of metals - by chromium contg solns to impart corrosion resistance

Publications (1)

Publication Number Publication Date
BE770794A true BE770794A (en) 1971-12-01

Family

ID=9066365

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770794A BE770794A (en) 1970-12-24 1971-07-30 METHOD AND COMPOSITION FOR THE TREATMENT OF METAL SURFACES WITH OR WITHOUT A CHEMICAL CONVERSION COATING

Country Status (3)

Country Link
BE (1) BE770794A (en)
ES (1) ES394520A1 (en)
FR (1) FR2119250A5 (en)

Also Published As

Publication number Publication date
FR2119250A5 (en) 1972-08-04
ES394520A1 (en) 1974-03-01

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