GB190125697A - The Manufacture of New Substantive Colouring Matter Containing Sulphur and Material for use therein. - Google Patents

The Manufacture of New Substantive Colouring Matter Containing Sulphur and Material for use therein.

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Publication number
GB190125697A
GB190125697A GB190125697DA GB190125697A GB 190125697 A GB190125697 A GB 190125697A GB 190125697D A GB190125697D A GB 190125697DA GB 190125697 A GB190125697 A GB 190125697A
Authority
GB
United Kingdom
Prior art keywords
produced
chlor
manufacture
dinitrodihydroxydiphenylamine
dinitrophenol
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
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 GB190125697A publication Critical patent/GB190125697A/en
Expired legal-status Critical Current

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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

25,697. Johnson, J. Y., [Badische Anilin & Soda Fabrik]. Dec. 16. Dinitrodihydroxydiphenylamine is produced by condensing 3 - chlor - 4 : 6-dinitrophenol with p-amidophenol, for example, in presence of sodium acetate and alcohol. The condensation product is obtained in the form of its sodium salt, from the aqueous solution of which the free compound is precipitated by a dilute acid. The 3-chlor-4 : 6- dinitrophenol employed may be produced by acting upon 1-chlor-2 : 4 : 5-trinitrobenzene with alkalies. Dyes, artificial.-A dye which contains sulphur and yields on cotton black shades fast to oxidizing- agents, as well as to washing, fulling, and light, is produced by heating the foregoing dinitrodihydroxydiphenylamine with sodium sulphide and sulphur from 100‹-170‹ C. until the mass is dry. The black shades produced on cotton are but slightly if at all altered by steaming, or by the action of oxidizing-agents.
GB190125697D 1901-12-16 1901-12-16 The Manufacture of New Substantive Colouring Matter Containing Sulphur and Material for use therein. Expired GB190125697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190125697T 1901-12-16

Publications (1)

Publication Number Publication Date
GB190125697A true GB190125697A (en) 1902-10-09

Family

ID=32426216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190125697D Expired GB190125697A (en) 1901-12-16 1901-12-16 The Manufacture of New Substantive Colouring Matter Containing Sulphur and Material for use therein.

Country Status (1)

Country Link
GB (1) GB190125697A (en)

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