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NL7316497A - PROCEDURE FOR TREATING METAL ARTICLES AND THE PRODUCTS SO OBTAINED. - Google Patents

PROCEDURE FOR TREATING METAL ARTICLES AND THE PRODUCTS SO OBTAINED.

Info

Publication number
NL7316497A
NL7316497A NL7316497A NL7316497A NL7316497A NL 7316497 A NL7316497 A NL 7316497A NL 7316497 A NL7316497 A NL 7316497A NL 7316497 A NL7316497 A NL 7316497A NL 7316497 A NL7316497 A NL 7316497A
Authority
NL
Netherlands
Prior art keywords
procedure
products
metal articles
treating metal
treating
Prior art date
Application number
NL7316497A
Other languages
Dutch (nl)
Original Assignee
Hunlas Bv
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 Hunlas Bv filed Critical Hunlas Bv
Priority to NL7316497A priority Critical patent/NL7316497A/en
Priority to DE19742456849 priority patent/DE2456849A1/en
Priority to FR7439504A priority patent/FR2272194A1/en
Publication of NL7316497A publication Critical patent/NL7316497A/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
    • 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
    • C23C22/73—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 characterised by the process

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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
NL7316497A 1973-12-03 1973-12-03 PROCEDURE FOR TREATING METAL ARTICLES AND THE PRODUCTS SO OBTAINED. NL7316497A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL7316497A NL7316497A (en) 1973-12-03 1973-12-03 PROCEDURE FOR TREATING METAL ARTICLES AND THE PRODUCTS SO OBTAINED.
DE19742456849 DE2456849A1 (en) 1973-12-03 1974-12-02 PROCESS FOR TREATMENT OF METAL OBJECTS AND PRODUCTS OBTAINED IN THIS WAY
FR7439504A FR2272194A1 (en) 1973-12-03 1974-12-03 Reducing polluting waste-waters in metal treatment - e.g. chroming and de-greasing and reducing corrosion-promoter concn. on surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7316497A NL7316497A (en) 1973-12-03 1973-12-03 PROCEDURE FOR TREATING METAL ARTICLES AND THE PRODUCTS SO OBTAINED.

Publications (1)

Publication Number Publication Date
NL7316497A true NL7316497A (en) 1975-06-05

Family

ID=19820121

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7316497A NL7316497A (en) 1973-12-03 1973-12-03 PROCEDURE FOR TREATING METAL ARTICLES AND THE PRODUCTS SO OBTAINED.

Country Status (3)

Country Link
DE (1) DE2456849A1 (en)
FR (1) FR2272194A1 (en)
NL (1) NL7316497A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266988A (en) * 1980-03-25 1981-05-12 J. M. Eltzroth & Associates, Inc. Composition and process for inhibiting corrosion of ferrous or non-ferrous metal surfaced articles and providing receptive surface for synthetic resin coating compositions
US4599116A (en) * 1984-11-08 1986-07-08 Parker Chemical Company Alkaline cleaning process

Also Published As

Publication number Publication date
FR2272194A1 (en) 1975-12-19
DE2456849A1 (en) 1975-06-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed