BE347525A - - Google Patents
Info
- Publication number
- BE347525A BE347525A BE347525DA BE347525A BE 347525 A BE347525 A BE 347525A BE 347525D A BE347525D A BE 347525DA BE 347525 A BE347525 A BE 347525A
- 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
- C23C22/24—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 hexavalent chromium compounds
- C23C22/33—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 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)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB66/27A GB289906A (en) | 1927-01-01 | 1927-01-01 | Improvements in proofing iron and steel against rust, and materials for use therein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE347525A true BE347525A (en:Method) |
Family
ID=9697787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE347525D BE347525A (en:Method) | 1927-01-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1719463A (en:Method) |
| BE (1) | BE347525A (en:Method) |
| DE (1) | DE496933C (en:Method) |
| FR (1) | FR647314A (en:Method) |
| GB (1) | GB289906A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975313C (de) * | 1947-09-08 | 1961-11-02 | Metallgesellschaft Ag | Verfahren zur Erzeugung von geschmeidigen Phosphatueberzuegen auf metallischen Gegenstaenden |
-
0
- BE BE347525D patent/BE347525A/xx unknown
-
1927
- 1927-01-01 GB GB66/27A patent/GB289906A/en not_active Expired
- 1927-02-28 US US171730A patent/US1719463A/en not_active Expired - Lifetime
- 1927-12-25 DE DEC40852D patent/DE496933C/de not_active Expired
- 1927-12-26 FR FR647314D patent/FR647314A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB289906A (en) | 1928-05-01 |
| US1719463A (en) | 1929-07-02 |
| FR647314A (fr) | 1928-11-22 |
| DE496933C (de) | 1930-04-30 |