MX9204924A - Proceso para tratar metal con una composicion acidica acuosa que esta esencialmente exenta de cromo (vii). - Google Patents

Proceso para tratar metal con una composicion acidica acuosa que esta esencialmente exenta de cromo (vii).

Info

Publication number
MX9204924A
MX9204924A MX9204924A MX9204924A MX9204924A MX 9204924 A MX9204924 A MX 9204924A MX 9204924 A MX9204924 A MX 9204924A MX 9204924 A MX9204924 A MX 9204924A MX 9204924 A MX9204924 A MX 9204924A
Authority
MX
Mexico
Prior art keywords
chrome
vii
essentially free
acidic composition
treat metal
Prior art date
Application number
MX9204924A
Other languages
English (en)
Spanish (es)
Inventor
Shawn E Dolan
Original Assignee
Henkel 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 Henkel Corp filed Critical Henkel Corp
Publication of MX9204924A publication Critical patent/MX9204924A/es

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

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)
MX9204924A 1991-08-30 1992-08-26 Proceso para tratar metal con una composicion acidica acuosa que esta esencialmente exenta de cromo (vii). MX9204924A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75270791A 1991-08-30 1991-08-30

Publications (1)

Publication Number Publication Date
MX9204924A true MX9204924A (es) 1993-03-01

Family

ID=25027457

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9204924A MX9204924A (es) 1991-08-30 1992-08-26 Proceso para tratar metal con una composicion acidica acuosa que esta esencialmente exenta de cromo (vii).

Country Status (12)

Country Link
US (2) US5342456A (enExample)
EP (2) EP0600982A1 (enExample)
JP (1) JP3280080B2 (enExample)
KR (1) KR100292447B1 (enExample)
AU (1) AU662758B2 (enExample)
BR (1) BR9206419A (enExample)
CA (1) CA2113453C (enExample)
MD (1) MD960309A (enExample)
MX (1) MX9204924A (enExample)
SG (1) SG54222A1 (enExample)
TW (1) TW224491B (enExample)
WO (1) WO1993005198A1 (enExample)

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Also Published As

Publication number Publication date
EP0825280A2 (en) 1998-02-25
AU2427692A (en) 1993-04-05
SG54222A1 (en) 1998-11-16
MD960309A (ro) 1998-06-30
EP0600982A1 (en) 1994-06-15
JPH05195244A (ja) 1993-08-03
CA2113453C (en) 2003-04-29
KR100292447B1 (ko) 2001-06-01
WO1993005198A1 (en) 1993-03-18
EP0825280A3 (en) 1998-04-01
TW224491B (enExample) 1994-06-01
CA2113453A1 (en) 1993-03-18
US5342456A (en) 1994-08-30
AU662758B2 (en) 1995-09-14
US5449414A (en) 1995-09-12
BR9206419A (pt) 1995-04-04
JP3280080B2 (ja) 2002-04-30

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