BR7703193A - Processo para diminuicao da formacao de crosta pela fosfatacao de metals - Google Patents
Processo para diminuicao da formacao de crosta pela fosfatacao de metalsInfo
- Publication number
- BR7703193A BR7703193A BR3193/77A BR7703193A BR7703193A BR 7703193 A BR7703193 A BR 7703193A BR 3193/77 A BR3193/77 A BR 3193/77A BR 7703193 A BR7703193 A BR 7703193A BR 7703193 A BR7703193 A BR 7703193A
- Authority
- BR
- Brazil
- Prior art keywords
- crust forming
- metal phosphating
- reducing
- reducing crust
- phosphating
- Prior art date
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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762622276 DE2622276A1 (de) | 1976-05-19 | 1976-05-19 | Verfahren zur phosphatierung von metallen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7703193A true BR7703193A (pt) | 1978-01-31 |
Family
ID=5978389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR3193/77A BR7703193A (pt) | 1976-05-19 | 1977-05-18 | Processo para diminuicao da formacao de crosta pela fosfatacao de metals |
Country Status (12)
| Country | Link |
|---|---|
| AR (1) | AR212770A1 (it) |
| BR (1) | BR7703193A (it) |
| CH (1) | CH629539A5 (it) |
| DE (1) | DE2622276A1 (it) |
| DK (1) | DK217377A (it) |
| ES (1) | ES458765A1 (it) |
| FR (1) | FR2352069A1 (it) |
| IT (1) | IT1084699B (it) |
| NL (1) | NL7705325A (it) |
| NO (1) | NO771743L (it) |
| PT (1) | PT66563B (it) |
| SE (1) | SE7705874L (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4417965A1 (de) * | 1994-05-21 | 1995-11-23 | Henkel Kgaa | Eisenphosphatierung unter Verwendung von substituierten Monocarbonsäuren |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3136663A (en) * | 1960-10-24 | 1964-06-09 | Kelite Corp | Compositions and methods for preservation of metals |
| DE2211256C2 (de) * | 1972-03-09 | 1982-12-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Poly-α-oxy-acrylsäure |
| GB1549856A (en) * | 1975-06-20 | 1979-08-08 | Ici Ltd | Phosphating process |
-
1976
- 1976-05-19 DE DE19762622276 patent/DE2622276A1/de not_active Withdrawn
-
1977
- 1977-05-13 NL NL7705325A patent/NL7705325A/xx unknown
- 1977-05-13 ES ES458765A patent/ES458765A1/es not_active Expired
- 1977-05-16 CH CH607877A patent/CH629539A5/de not_active IP Right Cessation
- 1977-05-17 AR AR267662A patent/AR212770A1/es active
- 1977-05-17 SE SE7705874A patent/SE7705874L/xx unknown
- 1977-05-17 IT IT23685/77A patent/IT1084699B/it active
- 1977-05-18 NO NO771743A patent/NO771743L/no unknown
- 1977-05-18 DK DK217377A patent/DK217377A/da unknown
- 1977-05-18 FR FR7715330A patent/FR2352069A1/fr active Granted
- 1977-05-18 PT PT66563A patent/PT66563B/pt unknown
- 1977-05-18 BR BR3193/77A patent/BR7703193A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2622276A1 (de) | 1977-12-08 |
| NO771743L (no) | 1977-11-22 |
| CH629539A5 (en) | 1982-04-30 |
| SE7705874L (sv) | 1977-11-20 |
| IT1084699B (it) | 1985-05-28 |
| PT66563B (fr) | 1979-01-22 |
| FR2352069B1 (it) | 1981-07-24 |
| AR212770A1 (es) | 1978-09-29 |
| DK217377A (da) | 1977-11-20 |
| ES458765A1 (es) | 1978-03-16 |
| PT66563A (fr) | 1977-06-01 |
| NL7705325A (nl) | 1977-11-22 |
| FR2352069A1 (fr) | 1977-12-16 |
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