IT532546A - - Google Patents
Info
- Publication number
- IT532546A IT532546A IT532546DA IT532546A IT 532546 A IT532546 A IT 532546A IT 532546D A IT532546D A IT 532546DA IT 532546 A IT532546 A IT 532546A
- Authority
- IT
- Italy
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
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
- C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2863793XA | 1955-04-20 | 1955-04-20 | |
| IT1147796X | 1955-04-20 | ||
| IT343201X | 1955-04-20 | ||
| US578592A US2863793A (en) | 1955-04-20 | 1956-04-17 | Method of maintaining the efficiency of phosphate coating baths used at room temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT532546A true IT532546A (en) | 1900-01-01 |
Family
ID=61187843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT532546D IT532546A (en) | 1955-04-20 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2863793A (en) |
| BE (1) | BE547125A (en) |
| CH (1) | CH343201A (en) |
| DE (1) | DE1069451B (en) |
| FR (1) | FR1147796A (en) |
| IT (1) | IT532546A (en) |
| LU (1) | LU34317A1 (en) |
| NL (1) | NL206455A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1176446B (en) * | 1961-12-07 | 1964-08-20 | Hoechst Ag | Method and means for applying phosphate layers to metal surfaces |
| AT282285B (en) * | 1965-12-22 | 1970-06-25 | Plaut Fa J | Zinc phosphate coatings |
| US3516875A (en) * | 1966-06-11 | 1970-06-23 | Hooker Chemical Corp | Process for coating ferrous surfaces |
| IT1111586B (en) * | 1979-03-16 | 1986-01-13 | Parker Italiana | PROTECTIVE COMPOSITIONS FOR STEEL SURFACES AND PROCESS FOR THEIR PREPARATION |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2315605A (en) * | 1942-06-29 | 1943-04-06 | Hugo J Ehrenfeld | Venetian blind structure |
| DE910165C (en) * | 1943-01-15 | 1954-04-29 | Hoechst Ag | Process for the production of sulphonic acids |
| DE900162C (en) * | 1943-07-01 | 1953-12-21 | Metallgesellschaft Ag | Phosphating process |
| DE900163C (en) * | 1943-07-01 | 1953-12-21 | Metallgesellschaft Ag | Phosphating process |
| DE859843C (en) * | 1949-02-28 | 1952-12-15 | Metallgesellschaft Ag | Process for the phosphating of metals |
-
0
- NL NL206455D patent/NL206455A/xx unknown
- IT IT532546D patent/IT532546A/it unknown
-
1956
- 1956-04-17 US US578592A patent/US2863793A/en not_active Expired - Lifetime
- 1956-04-19 FR FR1147796D patent/FR1147796A/en not_active Expired
- 1956-04-19 LU LU34317D patent/LU34317A1/en unknown
- 1956-04-19 CH CH343201D patent/CH343201A/en unknown
- 1956-04-19 BE BE547125D patent/BE547125A/en unknown
-
1959
- 1959-04-19 DE DE1959M0030302 patent/DE1069451B/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US2863793A (en) | 1958-12-09 |
| BE547125A (en) | 1956-05-15 |
| LU34317A1 (en) | 1956-06-19 |
| NL206455A (en) | 1900-01-01 |
| FR1147796A (en) | 1957-11-29 |
| CH343201A (en) | 1959-12-15 |
| DE1069451B (en) | 1959-11-19 |