GB190222824A - Manufacture of a New Sulphurised Dyestuff. - Google Patents

Manufacture of a New Sulphurised Dyestuff.

Info

Publication number
GB190222824A
GB190222824A GB190222824DA GB190222824A GB 190222824 A GB190222824 A GB 190222824A GB 190222824D A GB190222824D A GB 190222824DA GB 190222824 A GB190222824 A GB 190222824A
Authority
GB
United Kingdom
Prior art keywords
dyestuff
blue
black
sulphurised
french
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
Oliver Imray
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 GB190222824A publication Critical patent/GB190222824A/en
Expired legal-status Critical Current

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

Abstract

22,824. Imray, O., [Farbwerke vorm. Meister, Lucius, & Br³ning]. Oct. 20. Dyes, artificial.-A blue-black sulphuretted dyestuff, differing from that described in the French Specification No. 315,669, is produced by oxidizing a mixture of p-amido-p-oxydiphenylamine and phenol with a ferricyanide, hypochlorite, &c., and heating the oxidation product with sulphur, sodium sulphide, and water, and a little common salt, or with an alkali polysulphide. The mass may be used directly for dyeing, or the dye-stuff may be separated by air or acids. The product becomes more greenish-blue-black if the operation is conducted at a higher temperature. The Specification refers also to the French Specifications Nos. 284,387 and 304,884, and to the German Specification No. 116,337.
GB190222824D 1902-10-20 1902-10-20 Manufacture of a New Sulphurised Dyestuff. Expired GB190222824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190222824T 1902-10-20

Publications (1)

Publication Number Publication Date
GB190222824A true GB190222824A (en) 1903-09-17

Family

ID=32155516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190222824D Expired GB190222824A (en) 1902-10-20 1902-10-20 Manufacture of a New Sulphurised Dyestuff.

Country Status (1)

Country Link
GB (1) GB190222824A (en)

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