GB190924487A - Manufacture and Production of New Acid Wool Dyestuffs. - Google Patents

Manufacture and Production of New Acid Wool Dyestuffs.

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Publication number
GB190924487A
GB190924487A GB190924487DA GB190924487A GB 190924487 A GB190924487 A GB 190924487A GB 190924487D A GB190924487D A GB 190924487DA GB 190924487 A GB190924487 A GB 190924487A
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GB
United Kingdom
Prior art keywords
pyrazolone
sulphonic
acid
tolylether
methyl
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 GB190924487A publication Critical patent/GB190924487A/en
Expired legal-status Critical Current

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

Abstract

24,487. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. Oct. 25. Monoazo dyes are obtained by combining the diazo compounds of aminodiarylethers or homologues or substitution products thereof with pyrazolone sulphonic acids, or by combining the diazo compounds of sulphonic acids of these ethers with pyrazolones, pyrazolone sulphonic acids, or naphthylpyrazolone sulphonic acids. The following components are specified :-o- and p-aminophenyletber, o-aminophenyl-o-, -m-, and -p-tolylether, p-aminophenyl-m- and -p-tolylether, o-amino-pchlordiphenylether sulphonic acid, 2-aminophenylo-tolylether-4-sulphonic acid, and 4-aminodiphenylether-2-sulphonic acid ; 1-p-sulphophenyl-3-methyl- 5-pyrazolone, 1-o-tolyl-3-methyl-5-pyrazolone, 1-#- naphtbyl-4 : 8-disulphonic acid -3-methyl-5-pyrazolone, 3-methyl-5-pyrazolone. Specification 11,866/08 is referred to. The products dye wool yellow to orange shades in acid baths. o-Amino-p-chlordiphenylether sulphonic acid is obtained by reducing and then sulphonating the condensation product obtained from 1 : 4-dichlor- 2-nitrobenzene and phenol. 2-Aminophenyl-o-tolylether-4-sulphonic acid is obtained by reducing the condensation product obtained from 2-nitrochlorbenzene-4-sulphonic acid and o-cresol.
GB190924487D 1909-10-25 1909-10-25 Manufacture and Production of New Acid Wool Dyestuffs. Expired GB190924487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190924487T 1909-10-25

Publications (1)

Publication Number Publication Date
GB190924487A true GB190924487A (en) 1910-07-07

Family

ID=32446232

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190924487D Expired GB190924487A (en) 1909-10-25 1909-10-25 Manufacture and Production of New Acid Wool Dyestuffs.

Country Status (1)

Country Link
GB (1) GB190924487A (en)

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