GB190725507A - New Process for the Production of Dyestuffs of the Anthracene Series - Google Patents
New Process for the Production of Dyestuffs of the Anthracene SeriesInfo
- 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
- Authority
- 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
Links
Landscapes
- 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.
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 |
Family
ID=32551422
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 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190725507A (en) |
Cited By (1)
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 |
-
1907
- 1907-11-18 GB GB190725507D patent/GB190725507A/en not_active Expired
Cited By (1)
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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