IN170666B - - Google Patents

Info

Publication number
IN170666B
IN170666B IN467/MAS/88A IN467MA1988A IN170666B IN 170666 B IN170666 B IN 170666B IN 467MA1988 A IN467MA1988 A IN 467MA1988A IN 170666 B IN170666 B IN 170666B
Authority
IN
India
Application number
IN467/MAS/88A
Other languages
English (en)
Inventor
Kumar Sharma Anand
Original Assignee
Indian Space Res Org
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 Indian Space Res Org filed Critical Indian Space Res Org
Priority to IN467/MAS/88A priority Critical patent/IN170666B/en
Publication of IN170666B publication Critical patent/IN170666B/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
    • C23C22/38—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 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)
IN467/MAS/88A 1988-07-05 1988-07-05 IN170666B (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IN467/MAS/88A IN170666B (enrdf_load_html_response) 1988-07-05 1988-07-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN467/MAS/88A IN170666B (enrdf_load_html_response) 1988-07-05 1988-07-05

Publications (1)

Publication Number Publication Date
IN170666B true IN170666B (enrdf_load_html_response) 1992-05-02

Family

ID=11095274

Family Applications (1)

Application Number Title Priority Date Filing Date
IN467/MAS/88A IN170666B (enrdf_load_html_response) 1988-07-05 1988-07-05

Country Status (1)

Country Link
IN (1) IN170666B (enrdf_load_html_response)

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