GB190610323A - Improvements in the Manufacture of Salts of 1.2-Diazonaphthol Sulphoacids. - Google Patents

Improvements in the Manufacture of Salts of 1.2-Diazonaphthol Sulphoacids.

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Publication number
GB190610323A
GB190610323A GB190610323DA GB190610323A GB 190610323 A GB190610323 A GB 190610323A GB 190610323D A GB190610323D A GB 190610323DA GB 190610323 A GB190610323 A GB 190610323A
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GB
United Kingdom
Prior art keywords
diazonaphthol
salts
sulphoacids
manufacture
sulpbonic
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
James Yate Johnson
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190610323A publication Critical patent/GB190610323A/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

10,323. Johnson, J. Y., [Badische Anilin & Soda Fabrik]. May 2. Azo compounds,. dyes, artificial.-Salts of 1 : 2-diazonaphthol sulpbonic acids, such as are described in Specifications No. 10,235, A.D 1904, and No. 23,034, A.D. 1905, are produced in a form suitable for being combined with dye components, by diazotizing the corresponding amine in presence of a salt of ammonium or of an alkali or alkaline earth. The production of 1 : 2-diazonaphthol-4- sulphonic acid is described.
GB190610323D 1906-05-02 1906-05-02 Improvements in the Manufacture of Salts of 1.2-Diazonaphthol Sulphoacids. Expired GB190610323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190610323T 1906-05-02

Publications (1)

Publication Number Publication Date
GB190610323A true GB190610323A (en) 1906-06-14

Family

ID=32433677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190610323D Expired GB190610323A (en) 1906-05-02 1906-05-02 Improvements in the Manufacture of Salts of 1.2-Diazonaphthol Sulphoacids.

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GB (1) GB190610323A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827449A (en) * 1958-03-18 Process of diazotization of aromatic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827449A (en) * 1958-03-18 Process of diazotization of aromatic

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