GB190722818A - Manufacture and Production of New Dyestuffs of the Phthalein Series Dyeing on a Mordant - Google Patents

Manufacture and Production of New Dyestuffs of the Phthalein Series Dyeing on a Mordant

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Publication number
GB190722818A
GB190722818A GB190722818DA GB190722818A GB 190722818 A GB190722818 A GB 190722818A GB 190722818D A GB190722818D A GB 190722818DA GB 190722818 A GB190722818 A GB 190722818A
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United Kingdom
Prior art keywords
dye
dyestuffs
green
stuffs
red
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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
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Inventor
Philip Arthur Newton
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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 GB190722818A publication Critical patent/GB190722818A/en
Expired legal-status Critical Current

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Abstract

22,818. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. Oct. 16. Samples furnished under Section 2 of Patents &c. Act, 1907. Dyes, artificial.-Dye-stuffs of the phthalein series which dye mordanted fibres fast clear-red shades are produced by condensing amino-m-oxybenzoylbenzoic acids substituted in the amino group, or their homologues, with 1:2:4-trihydroxybenzene or its triacetate. On treatment with dehydrating - agents, green mordant dye-stuffs result, which can also be directly produced by treating a mixture of the above-mentioned acids with 1 : 2: 4-trihydroxybenzene or its triacetate, with dehydrating-agents. In an example the production of a red, and of the corresponding green dye, is described from diethylamino-m-oxybenzoylbenzoic acid. The properties of the green dyestuffs produced from the diethylamino-, ethylbenzylamino, monoethylamino-, and p-tolylaminoderivatives are described. Some of the red dyestuffs when treated with fuming sulphuric acid, to convert them into green dye-stuffs, are simultaneously sulphonated, the sulphonated products being more soluble than the unsulphonated dyestuffs.
GB190722818D 1907-10-16 1907-10-16 Manufacture and Production of New Dyestuffs of the Phthalein Series Dyeing on a Mordant Expired GB190722818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190722818T 1907-10-16

Publications (1)

Publication Number Publication Date
GB190722818A true GB190722818A (en) 1908-07-16

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ID=32550472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190722818D Expired GB190722818A (en) 1907-10-16 1907-10-16 Manufacture and Production of New Dyestuffs of the Phthalein Series Dyeing on a Mordant

Country Status (1)

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GB (1) GB190722818A (en)

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