BE439289A - - Google Patents
Info
- Publication number
- BE439289A BE439289A BE439289DA BE439289A BE 439289 A BE439289 A BE 439289A BE 439289D A BE439289D A BE 439289DA BE 439289 A BE439289 A BE 439289A
- 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
- C23C22/46—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 oxalates
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)
- ing And Chemical Polishing (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI65131D DE731045C (en) | 1939-07-15 | 1939-07-15 | Process for the production of surface layers on objects made of alloyed, so-called stainless steels for the pretreatment of non-cutting, z. B. by pulling, workpieces to be deformed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE439289A true BE439289A (en) |
Family
ID=7196273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439289D BE439289A (en) | 1939-07-15 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE439289A (en) |
| DE (1) | DE731045C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2550660A (en) * | 1948-09-04 | 1951-05-01 | Parker Rust Proof Co | Process for producing adherent coatings on stainless steel to facilitate drawing operations |
| DE961094C (en) * | 1951-12-20 | 1957-04-04 | Metallgesellschaft Ag | Process for the pretreatment of alloy steels before cold working |
| DE943152C (en) * | 1952-04-03 | 1956-05-09 | Hoechst Ag | Process for the production of corrosion protection layers on metals, in particular iron and steel |
| NL94192C (en) * | 1954-05-28 | |||
| DE1057847B (en) * | 1954-09-28 | 1959-05-21 | Metallgesellschaft Ag | Process for the production of coatings on titanium and titanium alloys |
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0
- BE BE439289D patent/BE439289A/xx unknown
-
1939
- 1939-07-15 DE DEI65131D patent/DE731045C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE731045C (en) | 1943-02-01 |