GB190826023A - Manufacture and Production of New Azo-dyestuffs. - Google Patents
Manufacture and Production of New Azo-dyestuffs.Info
- Publication number
- GB190826023A GB190826023A GB190826023DA GB190826023A GB 190826023 A GB190826023 A GB 190826023A GB 190826023D A GB190826023D A GB 190826023DA GB 190826023 A GB190826023 A GB 190826023A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- naphthol
- sulphonic
- sulphonic acid
- disulphonic
- 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
- Coloring (AREA)
Abstract
26,023. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. Dec 2. Samples furnished under Section 2 of Patents &c. Act, 1907. Dyes, artificial.-Monoazo dyes are obtained by combining the diazo compound of p-nitraniline-osulphonic acid with 2-naphthylamine, 2: 8-aminonaphthol, or their sulphonic acids or the alkylamino or arylamino derivatives of these compounds. The specified derivates are :-2-ethylnaphthylamine, 2- phenylnaphthylamine, 2-naphtbylamine-5-, -6-, and - 7-sulphonic acids, 2-naphthylamine-3: 6-disulphonic acid, 2-ethylnaphthylamine-7-sulphonic acid, 2-phenylnaphthylamine-5 :7-disulphonic acid, 2-phenylamino-8- naphthol- 6-sulphonic acid, 2- amino-8-naphthol-6-sulphonic acid, 2-ethylamino-8- naphthol-6-sulphonic acid, 2-p-anisidylamino-8- naphthol-6-sulphonic acid, 2-amino-8-naphthol- 3 :6-disulphonic acid. The combination with 2 7-aminonaphthol or its derivatives is effected in solutions containing free acid, not in the presence of sodium acetate. The products dye wool in acid baths reddish-violet to blue to black shades. Specification No. 11,766, A.D. 1901, is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190826023T | 1908-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190826023A true GB190826023A (en) | 1909-12-02 |
Family
ID=32490050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190826023D Expired GB190826023A (en) | 1908-12-02 | 1908-12-02 | Manufacture and Production of New Azo-dyestuffs. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190826023A (en) |
-
1908
- 1908-12-02 GB GB190826023D patent/GB190826023A/en not_active Expired
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