DD99182A1 - - Google Patents
Info
- Publication number
- DD99182A1 DD99182A1 DD165484A DD16548472A DD99182A1 DD 99182 A1 DD99182 A1 DD 99182A1 DD 165484 A DD165484 A DD 165484A DD 16548472 A DD16548472 A DD 16548472A DD 99182 A1 DD99182 A1 DD 99182A1
- Authority
- DD
- German Democratic Republic
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
- C23C22/30—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 trivalent chromium
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 |
|---|---|---|---|
| SU7101702264A SU427614A1 (en) | 1971-10-05 | 1971-10-05 | Composition for zing passivation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD99182A1 true DD99182A1 (en) | 1973-07-20 |
Family
ID=20489398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD165484A DD99182A1 (en) | 1971-10-05 | 1972-09-06 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3880772A (en) |
| CS (1) | CS171853B1 (en) |
| DD (1) | DD99182A1 (en) |
| DE (1) | DE2244489B2 (en) |
| FR (1) | FR2156579B1 (en) |
| GB (1) | GB1358216A (en) |
| HU (1) | HU164916B (en) |
| IT (1) | IT965190B (en) |
| PL (1) | PL84468B1 (en) |
| SU (1) | SU427614A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1228000A (en) * | 1981-04-16 | 1987-10-13 | David E. Crotty | Chromium appearance passivate solution and process |
| DE3423990A1 (en) * | 1983-07-19 | 1985-01-31 | Omi International Corp., Warren, Mich. | PEROXIDE-FREE CHROME (III) PASSIVATION SOLUTION AND METHOD FOR PASSIVATING SUBSTRATES WITH THIS SOLUTION |
| JPS62107096A (en) * | 1985-11-01 | 1987-05-18 | Nippon Parkerizing Co Ltd | Surface treatment of galvanized steel sheet |
| ES2046921B1 (en) * | 1991-05-13 | 1994-09-01 | Enthone Omi Inc | SEALING PROCEDURE FOR CHROMATE CONVERSION COATINGS ON ZINC ELECTROPOSED. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3121032A (en) * | 1960-09-27 | 1964-02-11 | M & T Chemicals Inc | Process for applying a protective transparent coating to zinc and cadmium and composition therefor |
| US3404046A (en) * | 1964-09-25 | 1968-10-01 | Hooker Chemical Corp | Chromating of zinc and aluminum and composition therefor |
| AU412989B2 (en) * | 1967-04-20 | 1971-05-04 | John Lysaght (Australia) Limited | Composition and process for inhibiting corrosion of zinc surfaces |
| DE1769582C3 (en) * | 1967-06-14 | 1979-12-13 | British Chrome & Chemicals Ltd., Stockton-On-Tees (Grossbritannien) | Surface treatment agents for metals, processes for their production and their use for producing corrosion-resistant and electrically resistant coatings |
| US3620777A (en) * | 1968-07-24 | 1971-11-16 | Hooker Chemical Corp | Chromate chemical coating solution for zinc alloy |
| US3582368A (en) * | 1968-12-30 | 1971-06-01 | Borden Inc | Corrosion-inhibiting composition |
-
1971
- 1971-10-05 SU SU7101702264A patent/SU427614A1/en active
-
1972
- 1972-08-08 US US278867A patent/US3880772A/en not_active Expired - Lifetime
- 1972-08-16 GB GB3818472A patent/GB1358216A/en not_active Expired
- 1972-09-02 IT IT52516/72A patent/IT965190B/en active
- 1972-09-05 FR FR7231458A patent/FR2156579B1/fr not_active Expired
- 1972-09-06 DD DD165484A patent/DD99182A1/xx unknown
- 1972-09-11 DE DE2244489A patent/DE2244489B2/en not_active Withdrawn
- 1972-09-15 CS CS6328A patent/CS171853B1/cs unknown
- 1972-10-03 HU HUII117A patent/HU164916B/hu unknown
- 1972-10-03 PL PL1972158054A patent/PL84468B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS171853B1 (en) | 1976-11-29 |
| IT965190B (en) | 1974-01-31 |
| HU164916B (en) | 1974-05-28 |
| FR2156579B1 (en) | 1976-08-13 |
| DE2244489B2 (en) | 1979-11-15 |
| FR2156579A1 (en) | 1973-06-01 |
| GB1358216A (en) | 1974-07-03 |
| SU427614A1 (en) | 1977-11-05 |
| US3880772A (en) | 1975-04-29 |
| DE2244489A1 (en) | 1973-04-12 |
| PL84468B1 (en) | 1976-04-30 |