GB1281941A - Electrolyte for use in anodizing aluminium or aluminium alloy to form a coloured oxide film and a method for anodizing said metal - Google Patents
Electrolyte for use in anodizing aluminium or aluminium alloy to form a coloured oxide film and a method for anodizing said metalInfo
- Publication number
- GB1281941A GB1281941A GB35524/69A GB3552469A GB1281941A GB 1281941 A GB1281941 A GB 1281941A GB 35524/69 A GB35524/69 A GB 35524/69A GB 3552469 A GB3552469 A GB 3552469A GB 1281941 A GB1281941 A GB 1281941A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anodizing
- aluminium
- per cent
- acid
- electrolyte
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/14—Producing integrally coloured layers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroplating Methods And Accessories (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
1281941 Anodizing aluminium; coloured coatings RIKEN DENKA KOGYO K K 15 July 1969 [18 July 1968 (2) 19 Oct 1968 2 April 1969] 35524/69 Heading C7B Coloured anodized coatings are produced on aluminium or aluminium alloy surfaces using as electrolyte an aqueous solution containing 0.05- 3 wt per cent sulphuric acid or an equivalent amount of metal sulphate, e.g. ferric, cobalt, manganese or nickel sulphate, together with either 2.4-40 wt per cent cresolsulphonic acid or 0.5-40 wt per cent cresolsulphonic acid and 0.5-5 wt per cent sulphosalicylic acid. The above treatment may be preceded by anodizing using oxalic acid or sulphuric acid as electrolyte, or may be followed by immersion in a 1-10 wt per cent aqueous solution of ammonium ferric oxalate. Sealing of the resultant coatings may be effected by use of steam.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5044268 | 1968-07-18 | ||
| JP5044368 | 1968-07-18 | ||
| JP7583968 | 1968-10-19 | ||
| JP2506869A JPS4813220B1 (en) | 1969-04-02 | 1969-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1281941A true GB1281941A (en) | 1972-07-19 |
Family
ID=27458245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35524/69A Expired GB1281941A (en) | 1968-07-18 | 1969-07-15 | Electrolyte for use in anodizing aluminium or aluminium alloy to form a coloured oxide film and a method for anodizing said metal |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3634214A (en) |
| DE (1) | DE1936702A1 (en) |
| FR (1) | FR2014646A1 (en) |
| GB (1) | GB1281941A (en) |
-
1969
- 1969-07-15 GB GB35524/69A patent/GB1281941A/en not_active Expired
- 1969-07-17 FR FR6924417A patent/FR2014646A1/fr not_active Withdrawn
- 1969-07-18 US US842959A patent/US3634214A/en not_active Expired - Lifetime
- 1969-07-18 DE DE19691936702 patent/DE1936702A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3634214A (en) | 1972-01-11 |
| FR2014646A1 (en) | 1970-04-17 |
| DE1936702A1 (en) | 1970-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |