FR921321A - Perfectionnements apportés aux procédés pour protéger des surfaces cuprifères - Google Patents

Perfectionnements apportés aux procédés pour protéger des surfaces cuprifères

Info

Publication number
FR921321A
FR921321A FR921321DA FR921321A FR 921321 A FR921321 A FR 921321A FR 921321D A FR921321D A FR 921321DA FR 921321 A FR921321 A FR 921321A
Authority
FR
France
Prior art keywords
processes
copper surfaces
protect copper
protect
copper
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
English (en)
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.)
Henkel Corp
Original Assignee
Amchem Products 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 Amchem Products Inc filed Critical Amchem Products Inc
Application granted granted Critical
Publication of FR921321A publication Critical patent/FR921321A/fr
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
    • C23C22/06—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 aqueous acidic solutions with pH less than 6
    • C23C22/24—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 aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds

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)
FR921321D 1946-02-05 1946-02-05 Perfectionnements apportés aux procédés pour protéger des surfaces cuprifères Expired FR921321A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921321T 1946-02-05

Publications (1)

Publication Number Publication Date
FR921321A true FR921321A (fr) 1947-05-05

Family

ID=9435171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921321D Expired FR921321A (fr) 1946-02-05 1946-02-05 Perfectionnements apportés aux procédés pour protéger des surfaces cuprifères

Country Status (1)

Country Link
FR (1) FR921321A (fr)

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