GB190204653A - The Manufacture of Sulphur Colours and of Materials for Producing the same. - Google Patents
The Manufacture of Sulphur Colours and of Materials for Producing the same.Info
- Publication number
- GB190204653A GB190204653A GB190204653DA GB190204653A GB 190204653 A GB190204653 A GB 190204653A GB 190204653D A GB190204653D A GB 190204653DA GB 190204653 A GB190204653 A GB 190204653A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- oxyxylylamine
- oxyphenyl
- sulphur
- materials
- 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
4653. Ransford, R. B., [Cassella & Co., L.]. Feb. 24. Dyes, artificial; p-oxyphenyl-p-oxyxylylamine and its derivatives.-Violet dyes containing sulphur and possessed of excellent affinity and very great intensity are produced from p-oxyphenyl-p-oxyxylylamine or the indophenol from which it is obtained by reduction, or derivatives of these compounds, by heating them with alkaline polysulphides. An example is given in which a mixture of the indophenol corresponding to p-oxyphenyl-p-oxyxylylamine with a solution of sodium sulphide and sulphur is concentrated until it boils at about 120‹ C., and then heated for 12-16 hours at the reflux condenser. The melt is diluted with water and the dye-stuff is filtered off and dried. The process may also be carried out in other ways, e.g., an alcoholic solution of the materials may be heated in a closed vessel. The indophenols employed are produced by oxidizing at 0‹ C. a mixture of a solution of p-xylenol (CH3:CH3:OH # 1:4:5), or other xylenol, in caustic soda lye and p-amidophenol hydrochlorate, or p-amidophenol sulphonic acid, by means of sodium hypochlorite solution.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190204653T | 1902-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190204653A true GB190204653A (en) | 1903-01-15 |
Family
ID=32621191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190204653D Expired GB190204653A (en) | 1902-02-24 | 1902-02-24 | The Manufacture of Sulphur Colours and of Materials for Producing the same. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190204653A (en) |
-
1902
- 1902-02-24 GB GB190204653D patent/GB190204653A/en not_active Expired
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