AT292407B - Aqueous bath for the chemical production of colorless and transparent layers on aluminum or aluminum alloys - Google Patents

Aqueous bath for the chemical production of colorless and transparent layers on aluminum or aluminum alloys

Info

Publication number
AT292407B
AT292407B AT922667A AT922667A AT292407B AT 292407 B AT292407 B AT 292407B AT 922667 A AT922667 A AT 922667A AT 922667 A AT922667 A AT 922667A AT 292407 B AT292407 B AT 292407B
Authority
AT
Austria
Prior art keywords
aluminum
colorless
chemical production
transparent layers
aqueous bath
Prior art date
Application number
AT922667A
Other languages
German (de)
Original Assignee
M & T Chemicals 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 M & T Chemicals Inc filed Critical M & T Chemicals Inc
Application granted granted Critical
Publication of AT292407B publication Critical patent/AT292407B/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
    • C23C22/06—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
    • C23C22/34—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 fluorides or complex fluorides
    • C23C22/37—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 fluorides or complex fluorides containing also hexavalent chromium compounds
    • C23C22/38—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 fluorides or complex fluorides containing also hexavalent chromium compounds containing also phosphates

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)
AT922667A 1967-03-24 1967-10-12 Aqueous bath for the chemical production of colorless and transparent layers on aluminum or aluminum alloys AT292407B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62558667A 1967-03-24 1967-03-24

Publications (1)

Publication Number Publication Date
AT292407B true AT292407B (en) 1971-08-25

Family

ID=24506762

Family Applications (1)

Application Number Title Priority Date Filing Date
AT922667A AT292407B (en) 1967-03-24 1967-10-12 Aqueous bath for the chemical production of colorless and transparent layers on aluminum or aluminum alloys

Country Status (9)

Country Link
AT (1) AT292407B (en)
CH (1) CH507380A (en)
DE (1) DE1621491B2 (en)
ES (1) ES346372A1 (en)
GB (1) GB1164726A (en)
IL (1) IL28734A (en)
NL (1) NL6715305A (en)
NO (1) NO118587B (en)
SE (1) SE347027B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU528865B2 (en) * 1980-12-01 1983-05-19 Yoshida Kogyo K.K. Forming protective surface film on aluminum surfaces
CA1274754A (en) * 1985-09-06 1990-10-02 Gary A. Reghi Passivation process and composition for zinc-aluminum alloys
CN107287584A (en) * 2017-05-16 2017-10-24 合肥市瀚坤机械有限公司 One kind takes door frame surface conditioning agent

Also Published As

Publication number Publication date
NL6715305A (en) 1968-09-25
SE347027B (en) 1972-07-24
DE1621491A1 (en) 1971-05-13
GB1164726A (en) 1969-09-17
CH507380A (en) 1971-05-15
IL28734A (en) 1971-03-24
ES346372A1 (en) 1969-03-16
NO118587B (en) 1970-01-12
DE1621491B2 (en) 1976-11-11

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee