GB190022297A - The Manufacture and Production of New Sulphonic Acids and of Colouring Matters therefrom. - Google Patents
The Manufacture and Production of New Sulphonic Acids and of Colouring Matters therefrom.Info
- Publication number
- GB190022297A GB190022297A GB190022297DA GB190022297A GB 190022297 A GB190022297 A GB 190022297A GB 190022297D A GB190022297D A GB 190022297DA GB 190022297 A GB190022297 A GB 190022297A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphonic
- diazo
- naphthol
- produced
- dyes
- 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
Abstract
22,297. Lake, H. H., [Oehler, K.]. Dec. 7. Sulphonic - diazo -phenol - and - naphthol-sulphonic acids of the general formula in which X represents a benzene or naphthalene residue, are produced by acting upon the diazo compounds of amidophenols or amidonaphthols or their sulphonic or carboxylic acids with an alkaline sulphite. An example is given in which #1- sulphonic-diazo-alpha4-naphthol-#3-sulphonic acid is produced by adding to diazotized #1-alpha4-amidonaphthol- #3-sulphonic acid mixed with sodium-acetate solution a solution of sodium bisulphite. When the diazo compound has disappeared, the new product is precipitated by common salt. Dyes, artificial.-Monazo dyes are produced by acting on the foregoing sulphonic-diazo derivatives with a diazo compound, for example, diazotized aniline, or diazotized dehydrothiotoluidine, whereby a light-red dye for wool and a corinth dye for unmordanted cotton are respectively obtained. Disazo dyes result when a tetrazotized diamine is combined with two molecular proportions of the same or of two different sulphonic-diazo derivatives, or with one molecular proportion of a sulphonic-diazo derivative, and one molecular proportion of an amine or phenol, or a sulphonic or carboxylic acid thereof. For example, a blue dye is obtained when tetrazotized benzidine is combined with #1-sulphonic-diazo-alpha4-naphthol #3- sulphonic acid ; and an indigo blue dye results when tetrazotized dianisidine is combined with both alpha1 - sulphonic-diazo-alpha3- naphthol -#4- sulphonic acid and alpha1alpha4-amido-naphthol-#2#3-disulphonic a cid. In other cases violet to blue and bluish-black dyes are produced.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190022297T | 1900-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190022297A true GB190022297A (en) | 1901-12-07 |
Family
ID=32150327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190022297D Expired GB190022297A (en) | 1900-12-07 | 1900-12-07 | The Manufacture and Production of New Sulphonic Acids and of Colouring Matters therefrom. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190022297A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2754209A (en) * | 1952-06-10 | 1956-07-10 | Azoplate Corp | Light-sensitive para quinone diazides for making printing plates |
-
1900
- 1900-12-07 GB GB190022297D patent/GB190022297A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2754209A (en) * | 1952-06-10 | 1956-07-10 | Azoplate Corp | Light-sensitive para quinone diazides for making printing plates |
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