GB191326908A - Manufacture of Azo Dyes. - Google Patents
Manufacture of Azo Dyes.Info
- Publication number
- GB191326908A GB191326908A GB191326908DA GB191326908A GB 191326908 A GB191326908 A GB 191326908A GB 191326908D A GB191326908D A GB 191326908DA GB 191326908 A GB191326908 A GB 191326908A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- sulphonic acid
- amino
- oxybenzene
- aminophenol
- 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
Landscapes
- Developing Agents For Electrophotography (AREA)
- Luminescent Compositions (AREA)
- Coloring (AREA)
Abstract
26,908. Anilinfarben- & Extract- Fabriken vorm. J. R. Geigy. Dec. 13, 1912, [Convention date]. [Addition to 26,866/12.] Azo dyes.-The azo dyes derived from diazotized aminophenols or their substitution products are converted into arylsulphonic esters @@ the manner described in the parent Specification. Products are specified obtained by the action of p-toluenesulphochloride, m-nitrobenzenesulphochloride, or p-chlorbenzenesulphochloride on the following parent dyes:-monoazo dyes from: o- or p-aminophenol, 4-amino-2- oxy-1-methylbenzene, or 4-chlor-2-amino-1-oxybenzene, and 1-p-sulphophenyl-3-methyl-5-pyrazolone, 2-amino-1-oxybenzene-4-sulphonic acid and 1-phenyl-3-methyl-5-pyrazolone, 3-amino- 1-oxybenzene-4-sulphonic acid and #-naphthol, 4-chlor-2-amino-1-oxybenzene and 2:5: 7-aminonaphthol sulphonic acid, m-aminophenol and 2- naphthol-6-sulphonic acid; primary disazo dyes from: p-aminophenol (acid coupling), aniline (alkaline coupling) and 1:8-aminonaphthol- 4:6-disulphonic acid; m-aminophenol (acid coupling), o-chloraniline (alkaline coupling) and 1:8:4:6-acid; 4-chlor-2-amino-1-oxybenzene (acid coupling), m-nitraniline (alkaline coupling), and 1:8:4:6-acid; secondary disazo dyes from: m-aminophenol, 1-naphthylamine-7-sulphonic acid. and 2-naphthol-6-sulphonic acid; 4-chlor-2-amino-1-oxybenzene, 1-naphthylamine- 7-sulphonic acid, and 2-naphthol-6-sulphonic acid : p-aminophenol, 1-naphthylamine-7-sulphonic acid, and 2:8: 6-aminonaphthol sulphonic acid (acid coupling). The products dye wool or silk yellow, orange, violet, grey, black, &c. shades. Lakes can be obtained by the usual methods from some of the dyes described above.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE261047T | 1912-01-31 | ||
DE191326908X | 1912-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB191326908A true GB191326908A (en) | 1914-04-23 |
Family
ID=32852115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB191326908D Expired GB191326908A (en) | 1912-01-31 | 1913-11-22 | Manufacture of Azo Dyes. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB191326908A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2657203A (en) * | 1949-07-18 | 1953-10-27 | Ciba Ltd | Monoazo dyestuffs of the pyrazolone series |
-
1913
- 1913-11-22 GB GB191326908D patent/GB191326908A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2657203A (en) * | 1949-07-18 | 1953-10-27 | Ciba Ltd | Monoazo dyestuffs of the pyrazolone series |
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