GB969456A - Composition and method for blackening the surfaces of cadmium or zinc or alloys thereof - Google Patents

Composition and method for blackening the surfaces of cadmium or zinc or alloys thereof

Info

Publication number
GB969456A
GB969456A GB15712/63A GB1571263A GB969456A GB 969456 A GB969456 A GB 969456A GB 15712/63 A GB15712/63 A GB 15712/63A GB 1571263 A GB1571263 A GB 1571263A GB 969456 A GB969456 A GB 969456A
Authority
GB
United Kingdom
Prior art keywords
silver
cadmium
zinc
compound
soluble
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
GB15712/63A
Other languages
English (en)
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.)
Conversion Chemical Corp
Original Assignee
Conversion Chemical Corp
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 Conversion Chemical Corp filed Critical Conversion Chemical Corp
Publication of GB969456A publication Critical patent/GB969456A/en
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)
GB15712/63A 1962-05-24 1963-04-22 Composition and method for blackening the surfaces of cadmium or zinc or alloys thereof Expired GB969456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US197244A US3219489A (en) 1962-05-24 1962-05-24 Composition and method for blackening the surfaces of cadmium and zinc

Publications (1)

Publication Number Publication Date
GB969456A true GB969456A (en) 1964-09-09

Family

ID=22728605

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15712/63A Expired GB969456A (en) 1962-05-24 1963-04-22 Composition and method for blackening the surfaces of cadmium or zinc or alloys thereof

Country Status (3)

Country Link
US (1) US3219489A (de)
DE (1) DE1295312C2 (de)
GB (1) GB969456A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961993A (en) * 1971-11-18 1976-06-08 The Empire Plating Company Coated metal article and method of coating
US4812175A (en) * 1985-09-06 1989-03-14 Parker Chemical Company Passivation process and copmposition for zinc-aluminum alloys

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB350420A (en) * 1929-12-10 1931-06-10 William Howard Cole Improvements in or relating to the proofing of iron and steel against rust
US2296884A (en) * 1935-09-28 1942-09-29 Parker Rust Proof Co Method of coating
NL59186C (de) * 1938-03-04
NL60167C (de) * 1938-11-19
US2329065A (en) * 1942-03-06 1943-09-07 Westinghouse Electric & Mfg Co Corrosion resistant coating for metal surfaces
US2437441A (en) * 1945-02-14 1948-03-09 Associated Chemical Company Coloring metal surfaces
US2497905A (en) * 1945-03-03 1950-02-21 Rheem Mfg Co Coating zinc or cadmium to impart corrosion and abrasion resistance
US2483510A (en) * 1945-04-14 1949-10-04 United Chromium Inc Composition for dip coating solution and dip process for coloring zinc
US2494908A (en) * 1947-02-07 1950-01-17 American Chem Paint Co Method of coating ferriferous metals and zinciferous metals
US2524577A (en) * 1948-08-10 1950-10-03 United Chromium Inc Dip process for coloring cadmium
FR1092299A (fr) * 1953-03-27 1955-04-20 Parker Ste Continentale Revêtements noirs pour métaux et leur procédé d'obtention
US2813815A (en) * 1955-07-26 1957-11-19 American Chem Paint Co Method of treating phosphate coatings on metal surfaces
US2970935A (en) * 1959-03-02 1961-02-07 Parker Rust Proof Co Method of rinsing metallic surfaces with solutions containing hexavalent chromium

Also Published As

Publication number Publication date
US3219489A (en) 1965-11-23
DE1295312C2 (de) 1974-10-10
DE1295312B (de) 1969-05-14

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