GB190826023A - Manufacture and Production of New Azo-dyestuffs. - Google Patents

Manufacture and Production of New Azo-dyestuffs.

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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
Application number
Inventor
Philip Arthur Newton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190826023A publication Critical patent/GB190826023A/en
Expired legal-status Critical Current

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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.
GB190826023D 1908-12-02 1908-12-02 Manufacture and Production of New Azo-dyestuffs. Expired GB190826023A (en)

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)

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