CH228944A - Process for producing protective layers on workpieces made of aluminum and aluminum alloys by anodic treatment. - Google Patents

Process for producing protective layers on workpieces made of aluminum and aluminum alloys by anodic treatment.

Info

Publication number
CH228944A
CH228944A CH228944DA CH228944A CH 228944 A CH228944 A CH 228944A CH 228944D A CH228944D A CH 228944DA CH 228944 A CH228944 A CH 228944A
Authority
CH
Switzerland
Prior art keywords
aluminum
protective layers
workpieces made
anodic treatment
producing protective
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH228944A publication Critical patent/CH228944A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
CH228944D 1940-01-09 1942-03-28 Process for producing protective layers on workpieces made of aluminum and aluminum alloys by anodic treatment. CH228944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE228944X 1940-01-09

Publications (1)

Publication Number Publication Date
CH228944A true CH228944A (en) 1943-09-30

Family

ID=5867506

Family Applications (1)

Application Number Title Priority Date Filing Date
CH228944D CH228944A (en) 1940-01-09 1942-03-28 Process for producing protective layers on workpieces made of aluminum and aluminum alloys by anodic treatment.

Country Status (4)

Country Link
BE (1) BE445410A (en)
CH (1) CH228944A (en)
FR (1) FR881603A (en)
NL (1) NL56850C (en)

Also Published As

Publication number Publication date
FR881603A (en) 1943-04-30
BE445410A (en)
NL56850C (en)

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