FR2492413B1 - - Google Patents
Info
- Publication number
- FR2492413B1 FR2492413B1 FR8022605A FR8022605A FR2492413B1 FR 2492413 B1 FR2492413 B1 FR 2492413B1 FR 8022605 A FR8022605 A FR 8022605A FR 8022605 A FR8022605 A FR 8022605A FR 2492413 B1 FR2492413 B1 FR 2492413B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C23C22/23—Condensed 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8022605A FR2492413A1 (fr) | 1980-10-22 | 1980-10-22 | Procede et compositions pour la protection des surfaces de zinc au moyen de depots de pyrophosphates de zinc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8022605A FR2492413A1 (fr) | 1980-10-22 | 1980-10-22 | Procede et compositions pour la protection des surfaces de zinc au moyen de depots de pyrophosphates de zinc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2492413A1 FR2492413A1 (fr) | 1982-04-23 |
| FR2492413B1 true FR2492413B1 (OSRAM) | 1983-11-18 |
Family
ID=9247199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8022605A Granted FR2492413A1 (fr) | 1980-10-22 | 1980-10-22 | Procede et compositions pour la protection des surfaces de zinc au moyen de depots de pyrophosphates de zinc |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2492413A1 (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2618164B1 (fr) * | 1987-06-25 | 1994-02-04 | Roquette Freres | Solution et procede de phosphatation mixte. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2528787A (en) * | 1947-09-08 | 1950-11-07 | Hall Lab Inc | Protection of metals from corrosion |
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1980
- 1980-10-22 FR FR8022605A patent/FR2492413A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2492413A1 (fr) | 1982-04-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |