BE640877A - - Google Patents
Info
- Publication number
- BE640877A BE640877A BE640877DA BE640877A BE 640877 A BE640877 A BE 640877A BE 640877D A BE640877D A BE 640877DA BE 640877 A BE640877 A BE 640877A
- Authority
- BE
- Belgium
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
- C23C22/50—Treatment of iron 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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR918675A FR1358408A (fr) | 1962-12-14 | 1962-12-14 | Procédé de protection d'une surface en acier ordinaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE640877A true BE640877A (pm) | 1964-04-01 |
Family
ID=8792903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE640877D BE640877A (pm) | 1962-12-14 | 1963-12-06 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE640877A (pm) |
| DE (1) | DE1225018B (pm) |
| FR (1) | FR1358408A (pm) |
| NL (1) | NL301422A (pm) |
-
0
- NL NL301422D patent/NL301422A/xx unknown
-
1962
- 1962-12-14 FR FR918675A patent/FR1358408A/fr not_active Expired
-
1963
- 1963-11-20 DE DES88352A patent/DE1225018B/de active Pending
- 1963-12-06 BE BE640877D patent/BE640877A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1225018B (de) | 1966-09-15 |
| FR1358408A (fr) | 1964-04-17 |
| NL301422A (pm) |