CH247238A - Process to obtain an emerald green patina on metal objects, by chemical process, without the use of colors. - Google Patents

Process to obtain an emerald green patina on metal objects, by chemical process, without the use of colors.

Info

Publication number
CH247238A
CH247238A CH247238DA CH247238A CH 247238 A CH247238 A CH 247238A CH 247238D A CH247238D A CH 247238DA CH 247238 A CH247238 A CH 247238A
Authority
CH
Switzerland
Prior art keywords
colors
metal objects
emerald green
chemical process
green patina
Prior art date
Application number
Other languages
Italian (it)
Inventor
Lenzin Luciana
Original Assignee
Lenzin Luciana
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 Lenzin Luciana filed Critical Lenzin Luciana
Publication of CH247238A publication Critical patent/CH247238A/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
    • C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/52—Treatment of copper or alloys based thereon

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)
CH247238D 1946-02-25 1946-02-25 Process to obtain an emerald green patina on metal objects, by chemical process, without the use of colors. CH247238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH247238T 1946-02-25

Publications (1)

Publication Number Publication Date
CH247238A true CH247238A (en) 1947-02-28

Family

ID=4466094

Family Applications (1)

Application Number Title Priority Date Filing Date
CH247238D CH247238A (en) 1946-02-25 1946-02-25 Process to obtain an emerald green patina on metal objects, by chemical process, without the use of colors.

Country Status (1)

Country Link
CH (1) CH247238A (en)

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