GB190716246A - Improvements in the Manufacture and Production of Compounds of the Anthracene Series. - Google Patents

Improvements in the Manufacture and Production of Compounds of the Anthracene Series.

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Publication number
GB190716246A
GB190716246A GB190716246DA GB190716246A GB 190716246 A GB190716246 A GB 190716246A GB 190716246D A GB190716246D A GB 190716246DA GB 190716246 A GB190716246 A GB 190716246A
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GB
United Kingdom
Prior art keywords
dye
obtainable
diaminodianthraquinonylamine
effected
treating
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190716246A publication Critical patent/GB190716246A/en
Expired legal-status Critical Current

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

Abstract

16,246. Johnson, J. Y., [Badische Anilin & Soda Fabrik]. July 15. Samples furnished under Section 2 of Patents &c. Act, 1907. Diaminodianthraquinonylamine / dyes, artificial.- Products, some of which dye cotton bluish shades from a hydrosulphite vat, are obtained by treating, with acetic anhydride or glacial acetic acid in the presence of concentrated or fuming sulphuric acid, compounds containing two anthraquinone groups joined together by one inimo group, or by two imino groups, and also containing an amino group or a mono-substituted amino group in the a-position. The following initial materials are specified : the diaminodianthraquinonylamine obtainable by reducing the dinitro body described in Specification No. 13,057, A.D. 1906 ; the dye obtainable by melting the said nitro body with sodium sulphide as described in the Specification referred to above ; and the dye obtainable from 1 :4-diamino-2 : 3- dibromanthraquinone as described in Specification No. 7692, A.D. 1904. The reduction of the dinitro body can be effected in a previous operation, for instance by means of dilute sodium sulphide solution, or the reduction and formation of the dye can be effected in one operation by treating the dinitro body with sulphur, fuming sulphuric acid, and glacial acetic acid or acetic anhydride.
GB190716246D 1907-07-15 1907-07-15 Improvements in the Manufacture and Production of Compounds of the Anthracene Series. Expired GB190716246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190716246T 1907-07-15

Publications (1)

Publication Number Publication Date
GB190716246A true GB190716246A (en) 1908-07-02

Family

ID=32435330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190716246D Expired GB190716246A (en) 1907-07-15 1907-07-15 Improvements in the Manufacture and Production of Compounds of the Anthracene Series.

Country Status (1)

Country Link
GB (1) GB190716246A (en)

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