FR851861A - Process for forming a protective layer against corrosion on the surface of metals or alloys - Google Patents

Process for forming a protective layer against corrosion on the surface of metals or alloys

Info

Publication number
FR851861A
FR851861A FR851861DA FR851861A FR 851861 A FR851861 A FR 851861A FR 851861D A FR851861D A FR 851861DA FR 851861 A FR851861 A FR 851861A
Authority
FR
France
Prior art keywords
alloys
metals
forming
protective layer
against corrosion
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.)
Expired
Application number
Other languages
French (fr)
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.)
Compagnie de Produits Chimiques et Electrometallurgiques Alais Froges et Camargue
Original Assignee
Compagnie de Produits Chimiques et Electrometallurgiques Alais Froges et Camargue
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 Compagnie de Produits Chimiques et Electrometallurgiques Alais Froges et Camargue filed Critical Compagnie de Produits Chimiques et Electrometallurgiques Alais Froges et Camargue
Application granted granted Critical
Publication of FR851861A publication Critical patent/FR851861A/en
Expired 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
    • 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)
FR851861D 1938-05-02 1939-03-20 Process for forming a protective layer against corrosion on the surface of metals or alloys Expired FR851861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH204528T 1938-05-02

Publications (1)

Publication Number Publication Date
FR851861A true FR851861A (en) 1940-01-16

Family

ID=4444209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851861D Expired FR851861A (en) 1938-05-02 1939-03-20 Process for forming a protective layer against corrosion on the surface of metals or alloys

Country Status (2)

Country Link
CH (1) CH204528A (en)
FR (1) FR851861A (en)

Also Published As

Publication number Publication date
CH204528A (en) 1939-05-15

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