CH218087A - A process for producing a protective layer against corrosion on the surfaces of metallic objects. - Google Patents

A process for producing a protective layer against corrosion on the surfaces of metallic objects.

Info

Publication number
CH218087A
CH218087A CH218087DA CH218087A CH 218087 A CH218087 A CH 218087A CH 218087D A CH218087D A CH 218087DA CH 218087 A CH218087 A CH 218087A
Authority
CH
Switzerland
Prior art keywords
producing
protective layer
against corrosion
layer against
metallic objects
Prior art date
Application number
Other languages
French (fr)
Inventor
Parker Societe Continentale
Original Assignee
Parker Ste Continentale
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 Parker Ste Continentale filed Critical Parker Ste Continentale
Publication of CH218087A publication Critical patent/CH218087A/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
    • C23C22/24—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
    • C23C22/33—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 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)
CH218087D 1938-06-08 1939-06-07 A process for producing a protective layer against corrosion on the surfaces of metallic objects. CH218087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US218087XA 1938-06-08 1938-06-08

Publications (1)

Publication Number Publication Date
CH218087A true CH218087A (en) 1941-11-30

Family

ID=21806270

Family Applications (1)

Application Number Title Priority Date Filing Date
CH218087D CH218087A (en) 1938-06-08 1939-06-07 A process for producing a protective layer against corrosion on the surfaces of metallic objects.

Country Status (6)

Country Link
BE (1) BE434749A (en)
CH (1) CH218087A (en)
DE (1) DE718157C (en)
FR (1) FR855924A (en)
GB (1) GB530006A (en)
NL (1) NL54075C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445155A (en) * 1944-10-03 1948-07-13 American Chem Paint Co Protection of cupriferous surfaces
US2548419A (en) * 1945-08-23 1951-04-10 Poor & Co Method for production of lustrous zinc

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318642A (en) * 1941-04-25 1943-05-11 Parker Rust Proof Co Coated metal article and method of making same
DE974196C (en) * 1942-12-11 1960-10-13 Metallgesellschaft Ag Process for the production of smooth phosphate coatings on metallic objects
DE975313C (en) * 1947-09-08 1961-11-02 Metallgesellschaft Ag Process for the production of smooth phosphate coatings on metallic objects
DE971056C (en) * 1949-10-18 1958-12-04 Boleslaw Kaspras Process for converting layers of rust on steel into protective layers
DE972000C (en) * 1953-01-24 1959-05-06 Vacuumschmelze Ag Process for producing an electrically insulating and heat-resistant layer on metals and metal alloys
CA581081A (en) * 1953-07-30 1959-08-11 K. Schuster Ludwig Corrosion resistant coated steel members and method of making
FR1133904A (en) * 1954-06-04 1957-04-03 Walterisation Company Ltd Improvements in the surface treatment of metals
US2859147A (en) * 1954-08-27 1958-11-04 Poor & Co Process of and compositions for producing coated aluminum and aluminum alloys
US3192075A (en) * 1962-09-10 1965-06-29 Marsh Steel & Aluminum Co Phosphate treatment composition for iron and steel products
CN116640563B (en) * 2023-05-24 2024-07-19 西南石油大学 High-temperature corrosion-inhibition phosphate completion fluid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445155A (en) * 1944-10-03 1948-07-13 American Chem Paint Co Protection of cupriferous surfaces
US2548419A (en) * 1945-08-23 1951-04-10 Poor & Co Method for production of lustrous zinc

Also Published As

Publication number Publication date
GB530006A (en) 1940-12-03
DE718157C (en) 1942-03-04
FR855924A (en) 1940-05-23
BE434749A (en)
NL54075C (en)

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