FR1147796A - Procédé pour conserver l'efficacité des bains de phosphatation à température ambiante - Google Patents
Procédé pour conserver l'efficacité des bains de phosphatation à température ambianteInfo
- Publication number
- FR1147796A FR1147796A FR1147796DA FR1147796A FR 1147796 A FR1147796 A FR 1147796A FR 1147796D A FR1147796D A FR 1147796DA FR 1147796 A FR1147796 A FR 1147796A
- Authority
- FR
- France
- Prior art keywords
- maintaining
- efficiency
- room temperature
- phosphating baths
- phosphating
- Prior art date
- 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
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
- C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2863793XA | 1955-04-20 | 1955-04-20 | |
IT343201X | 1955-04-20 | ||
IT1147796X | 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 |
---|---|
FR1147796A true FR1147796A (fr) | 1957-11-29 |
Family
ID=61187843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1147796D Expired FR1147796A (fr) | 1955-04-20 | 1956-04-19 | Procédé pour conserver l'efficacité des bains de phosphatation à température ambiante |
Country Status (8)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1176446B (de) * | 1961-12-07 | 1964-08-20 | Hoechst Ag | Verfahren und Mittel zum Aufbringen von Phosphatschichten auf Metalloberflaechen |
AT282285B (de) * | 1965-12-22 | 1970-06-25 | Plaut Fa J | Zinkphosphatüberzüge |
US3516875A (en) * | 1966-06-11 | 1970-06-23 | Hooker Chemical Corp | Process for coating ferrous surfaces |
IT1111586B (it) * | 1979-03-16 | 1986-01-13 | Parker Italiana | Composizioni protettive per superfici d'acciaio e processo per la loro preparazione |
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 (de) * | 1943-01-15 | 1954-04-29 | Hoechst Ag | Verfahren zur Herstellung von Sulfonsaeuren |
DE900162C (de) * | 1943-07-01 | 1953-12-21 | Metallgesellschaft Ag | Phosphatierverfahren |
DE900163C (de) * | 1943-07-01 | 1953-12-21 | Metallgesellschaft Ag | Phosphatierverfahren |
DE859843C (de) * | 1949-02-28 | 1952-12-15 | Metallgesellschaft Ag | Verfahren zur Phosphatierung von Metallen |
-
0
- IT IT532546D patent/IT532546A/it unknown
- NL NL206455D patent/NL206455A/xx unknown
-
1956
- 1956-04-17 US US578592A patent/US2863793A/en not_active Expired - Lifetime
- 1956-04-19 BE BE547125D patent/BE547125A/fr unknown
- 1956-04-19 CH CH343201D patent/CH343201A/de unknown
- 1956-04-19 FR FR1147796D patent/FR1147796A/fr not_active Expired
- 1956-04-19 LU LU34317D patent/LU34317A1/fr unknown
-
1959
- 1959-04-19 DE DE1959M0030302 patent/DE1069451B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
NL206455A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1900-01-01 |
LU34317A1 (fr) | 1956-06-19 |
US2863793A (en) | 1958-12-09 |
IT532546A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1900-01-01 |
DE1069451B (de) | 1959-11-19 |
CH343201A (de) | 1959-12-15 |
BE547125A (fr) | 1956-05-15 |
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