CH218087A - A process for producing a protective layer against corrosion on the surfaces of metallic objects. - Google Patents
A process for producing a protective layer against corrosion on the surfaces of metallic objects.Info
- Publication number
- CH218087A CH218087A CH218087DA CH218087A CH 218087 A CH218087 A CH 218087A CH 218087D A CH218087D A CH 218087DA CH 218087 A CH218087 A CH 218087A
- Authority
- CH
- Switzerland
- Prior art keywords
- producing
- protective layer
- against corrosion
- layer against
- metallic objects
- 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
- C23C22/24—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 |
---|---|---|---|
US218087XA | 1938-06-08 | 1938-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH218087A true CH218087A (en) | 1941-11-30 |
Family
ID=21806270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH218087D CH218087A (en) | 1938-06-08 | 1939-06-07 | A process for producing a protective layer against corrosion on the surfaces of metallic objects. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE434749A (en) |
CH (1) | CH218087A (en) |
DE (1) | DE718157C (en) |
FR (1) | FR855924A (en) |
GB (1) | GB530006A (en) |
NL (1) | NL54075C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2445155A (en) * | 1944-10-03 | 1948-07-13 | American Chem Paint Co | Protection of cupriferous surfaces |
US2548419A (en) * | 1945-08-23 | 1951-04-10 | Poor & Co | Method for production of lustrous zinc |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2318642A (en) * | 1941-04-25 | 1943-05-11 | Parker Rust Proof Co | Coated metal article and method of making same |
DE974196C (en) * | 1942-12-11 | 1960-10-13 | Metallgesellschaft Ag | Process for the production of smooth phosphate coatings on metallic objects |
DE975313C (en) * | 1947-09-08 | 1961-11-02 | Metallgesellschaft Ag | Process for the production of smooth phosphate coatings on metallic objects |
DE971056C (en) * | 1949-10-18 | 1958-12-04 | Boleslaw Kaspras | Process for converting layers of rust on steel into protective layers |
DE972000C (en) * | 1953-01-24 | 1959-05-06 | Vacuumschmelze Ag | Process for producing an electrically insulating and heat-resistant layer on metals and metal alloys |
CA581081A (en) * | 1953-07-30 | 1959-08-11 | K. Schuster Ludwig | Corrosion resistant coated steel members and method of making |
FR1133904A (en) * | 1954-06-04 | 1957-04-03 | Walterisation Company Ltd | Improvements in the surface treatment of metals |
US2859147A (en) * | 1954-08-27 | 1958-11-04 | Poor & Co | Process of and compositions for producing coated aluminum and aluminum alloys |
US3192075A (en) * | 1962-09-10 | 1965-06-29 | Marsh Steel & Aluminum Co | Phosphate treatment composition for iron and steel products |
CN116640563B (en) * | 2023-05-24 | 2024-07-19 | 西南石油大学 | High-temperature corrosion-inhibition phosphate completion fluid |
-
0
- BE BE434749D patent/BE434749A/xx unknown
- NL NL54075D patent/NL54075C/xx active
-
1939
- 1939-06-01 DE DEM145242D patent/DE718157C/en not_active Expired
- 1939-06-05 GB GB16492/39A patent/GB530006A/en not_active Expired
- 1939-06-07 CH CH218087D patent/CH218087A/en unknown
- 1939-06-07 FR FR855924D patent/FR855924A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2445155A (en) * | 1944-10-03 | 1948-07-13 | American Chem Paint Co | Protection of cupriferous surfaces |
US2548419A (en) * | 1945-08-23 | 1951-04-10 | Poor & Co | Method for production of lustrous zinc |
Also Published As
Publication number | Publication date |
---|---|
BE434749A (en) | |
GB530006A (en) | 1940-12-03 |
DE718157C (en) | 1942-03-04 |
FR855924A (en) | 1940-05-23 |
NL54075C (en) |
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