GB499907A - Improved process for producing green patina on copper and its alloys - Google Patents
Improved process for producing green patina on copper and its alloysInfo
- Publication number
- GB499907A GB499907A GB2854137A GB2854137A GB499907A GB 499907 A GB499907 A GB 499907A GB 2854137 A GB2854137 A GB 2854137A GB 2854137 A GB2854137 A GB 2854137A GB 499907 A GB499907 A GB 499907A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alloys
- copper
- improved process
- producing green
- patina
- 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
- C23C22/02—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 non-aqueous solutions
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)
Abstract
An artificial patina is formed on copper and its alloys by treating the metal, while exposed to air, two or more times with one or more chlorine derivatives of sulphur acids, such as thionyl chloride, sulphuryl chloride, or chlorosulphonic acid. A solution of the chlorine derivatives in a volatile solvent such as carbon tetrachloride or benzene may be used, and the interval between the treatments is preferably not less than a day. The metal treated may be bright or may be blackened or partially patinated by previous exposure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2854137A GB499907A (en) | 1937-10-20 | 1937-10-20 | Improved process for producing green patina on copper and its alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2854137A GB499907A (en) | 1937-10-20 | 1937-10-20 | Improved process for producing green patina on copper and its alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB499907A true GB499907A (en) | 1939-01-31 |
Family
ID=10277264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2854137A Expired GB499907A (en) | 1937-10-20 | 1937-10-20 | Improved process for producing green patina on copper and its alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB499907A (en) |
-
1937
- 1937-10-20 GB GB2854137A patent/GB499907A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB499907A (en) | Improved process for producing green patina on copper and its alloys | |
| ES290552A1 (en) | Procedure for obtaining metal copper (Machine-translation by Google Translate, not legally binding) | |
| GB719269A (en) | Improvements relating to the manufacture of electric discharge lamps | |
| GB376467A (en) | Improvements in or relating to the heat treatment of alloy irons and steels | |
| SU39289A1 (en) | Method for reducing dibenzatron oxidation product and methylation of the resulting substance | |
| GB467517A (en) | Process for the treatment of alloys and other materials containing copper and nickel | |
| GB396041A (en) | Improved method of purifying mercury which has been used as a cathode in electrolysis | |
| GB446373A (en) | Process for the production of the borates of zinc, tin or copper | |
| GB455668A (en) | Improvements in the manufacture and production of chlorides of polycarboxylic acids | |
| GB458892A (en) | Improvements in processes for the manufacture of titanium tetrachloride | |
| GB358032A (en) | Improvements in and relating to the production of esters of anthrahydroquinones | |
| GB357985A (en) | The manufacture of dichloro-2-methyl-anthraquinones | |
| GB628265A (en) | Method of producing improved gray cast iron products | |
| GB441919A (en) | Improvements in the manufacture and production of nitrodibenzanthrones | |
| GB393240A (en) | Manufacture of oxydiphenyl-ether-carboxylic acids | |
| GB202632A (en) | ||
| GB435586A (en) | Improvements relating to the manufacture of acid calcium citrate | |
| GB473556A (en) | Improvements in or relating to methods and agents for removing enamel from enameled articles | |
| McClelland | Experiment to show the removal of ions in double decomposition | |
| GB342729A (en) | An improved aluminium alloy | |
| GB463428A (en) | Manufacture of polycyclic compounds from chrysene | |
| GB151086A (en) | Improvement relating to the production of acetaldehyde | |
| GB424226A (en) | A process for refining alloys | |
| GB449061A (en) | Improvements in or relating to the annealing of metal tubing | |
| GB495049A (en) | Improvements relating to the manufacture of alternating electric current rectifiers |