GB190725507A - New Process for the Production of Dyestuffs of the Anthracene Series - Google Patents

New Process for the Production of Dyestuffs of the Anthracene Series

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Publication number
GB190725507A
GB190725507A GB190725507DA GB190725507A GB 190725507 A GB190725507 A GB 190725507A GB 190725507D A GB190725507D A GB 190725507DA GB 190725507 A GB190725507 A GB 190725507A
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GB
United Kingdom
Prior art keywords
dyestuffs
production
new process
dichloranthraquinone
aminoanthraquinones
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
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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 GB190725507A publication Critical patent/GB190725507A/en
Expired legal-status Critical Current

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

Abstract

25,507. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. Nov. 18. Samples furnished under Section 2 of Patents &c. Act, 1907. Dyes, artificial.-Vat dye-stuffs are prepared by treating anthraquinone or its derivatives or homologues (except aminoanthraquinones) or derivatives or homologues of a - aminoanthraquinones with sulphuric acid and a metal, for example copper, aluminium, or silver. The products from anthraquinone, 1 - nitroanthraquinone, 2-chloranthraquinone, 2-methylanthraquinone, 1 : 5 - dichloranthraquinone, 1 - methylaminoanthraquinone, 1-amino.2: 4 - dibromantbraquinone, 2 - methyl - 1 - aminoanthraquinone, and 1-amino-2 : 4-dichloranthraquinone are specified.
GB190725507D 1907-11-18 1907-11-18 New Process for the Production of Dyestuffs of the Anthracene Series Expired GB190725507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190725507T 1907-11-18

Publications (1)

Publication Number Publication Date
GB190725507A true GB190725507A (en) 1908-09-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB190725507D Expired GB190725507A (en) 1907-11-18 1907-11-18 New Process for the Production of Dyestuffs of the Anthracene Series

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GB (1) GB190725507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234242A (en) * 1960-05-05 1966-02-08 Ciba Ltd Production of 4:4'-diamino-1:1'-dianthraquinonyl sulfonic acids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234242A (en) * 1960-05-05 1966-02-08 Ciba Ltd Production of 4:4'-diamino-1:1'-dianthraquinonyl sulfonic acids

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