BE347525A - - Google Patents

Info

Publication number
BE347525A
BE347525A BE347525DA BE347525A BE 347525 A BE347525 A BE 347525A BE 347525D A BE347525D A BE 347525DA BE 347525 A BE347525 A BE 347525A
Authority
BE
Belgium
Application number
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.)
Publication of BE347525A publication Critical patent/BE347525A/xx

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical 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
    • C23C22/05Chemical 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
    • C23C22/06Chemical 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
    • C23C22/24Chemical 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
    • C23C22/33Chemical 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 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)
BE347525D 1927-01-01 BE347525A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB66/27A GB289906A (en) 1927-01-01 1927-01-01 Improvements in proofing iron and steel against rust, and materials for use therein

Publications (1)

Publication Number Publication Date
BE347525A true BE347525A (de)

Family

ID=9697787

Family Applications (1)

Application Number Title Priority Date Filing Date
BE347525D BE347525A (de) 1927-01-01

Country Status (5)

Country Link
US (1) US1719463A (de)
BE (1) BE347525A (de)
DE (1) DE496933C (de)
FR (1) FR647314A (de)
GB (1) GB289906A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975313C (de) * 1947-09-08 1961-11-02 Metallgesellschaft Ag Verfahren zur Erzeugung von geschmeidigen Phosphatueberzuegen auf metallischen Gegenstaenden

Also Published As

Publication number Publication date
DE496933C (de) 1930-04-30
FR647314A (fr) 1928-11-22
GB289906A (en) 1928-05-01
US1719463A (en) 1929-07-02

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