DE718317C - Verfahren zur Erzeugung korrosionsbestaendiger UEberzuege auf Metallen - Google Patents

Verfahren zur Erzeugung korrosionsbestaendiger UEberzuege auf Metallen

Info

Publication number
DE718317C
DE718317C DEM146502D DEM0146502D DE718317C DE 718317 C DE718317 C DE 718317C DE M146502 D DEM146502 D DE M146502D DE M0146502 D DEM0146502 D DE M0146502D DE 718317 C DE718317 C DE 718317C
Authority
DE
Germany
Prior art keywords
acid
solution
phosphoric acid
metals
etching
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DEM146502D
Other languages
German (de)
English (en)
Inventor
Robert Vernon Harris
Robert Razey Tanner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEA Group AG
Original Assignee
Metallgesellschaft 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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Application granted granted Critical
Publication of DE718317C publication Critical patent/DE718317C/de
Expired legal-status Critical Current

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)
  • Application Of Or Painting With Fluid Materials (AREA)
DEM146502D 1938-11-19 1939-11-19 Verfahren zur Erzeugung korrosionsbestaendiger UEberzuege auf Metallen Expired DE718317C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US241393A US2303242A (en) 1938-11-19 1938-11-19 Metal coating

Publications (1)

Publication Number Publication Date
DE718317C true DE718317C (de) 1942-03-09

Family

ID=22910526

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM146502D Expired DE718317C (de) 1938-11-19 1939-11-19 Verfahren zur Erzeugung korrosionsbestaendiger UEberzuege auf Metallen

Country Status (4)

Country Link
US (1) US2303242A (xx)
DE (1) DE718317C (xx)
GB (1) GB534883A (xx)
NL (1) NL60167C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161739B (de) * 1954-06-04 1964-01-23 Walterisation Company Ltd Verfahren zur Oberflaechenbehandlung von Metallgegenstaenden mit Fluessigkeiten

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768103A (en) * 1952-03-18 1956-10-23 Heintz Mfg Co Method for coating metals
US2768104A (en) * 1952-03-25 1956-10-23 Heintz Mfg Co Method for coating iron
US2769774A (en) * 1952-08-05 1956-11-06 Republic Steel Corp Electrodeposition method
FR1080914A (fr) * 1953-06-16 1954-12-14 United States Steel Corp Procédé électrochimique de revêtement des surfaces en acier, produits destinés à sa mise en oeuvre et produits en résultant
US2777785A (en) * 1953-07-30 1957-01-15 Heintz Mfg Co Composition for and method of treating metals as well as the treated product
US2773623A (en) * 1954-06-01 1956-12-11 Heintz Mfg Co Corrosion resistant coated steel members and method of making
US2832708A (en) * 1955-11-25 1958-04-29 Gen Motors Corp Method of treating stainless steel to improve its corrosion resistance
US2970935A (en) * 1959-03-02 1961-02-07 Parker Rust Proof Co Method of rinsing metallic surfaces with solutions containing hexavalent chromium
US3074827A (en) * 1960-03-22 1963-01-22 Armco Steel Corp Rust inhibitive and paint holding treatment for alloyed zinc iron surfaces
US3219489A (en) * 1962-05-24 1965-11-23 Conversion Chem Corp Composition and method for blackening the surfaces of cadmium and zinc
JPS5597476A (en) * 1979-01-19 1980-07-24 Nippon Paint Co Ltd Metal surface treating liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161739B (de) * 1954-06-04 1964-01-23 Walterisation Company Ltd Verfahren zur Oberflaechenbehandlung von Metallgegenstaenden mit Fluessigkeiten

Also Published As

Publication number Publication date
NL60167C (xx)
US2303242A (en) 1942-11-24
GB534883A (en) 1941-03-20

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