GB190715204A - Manufacture of Blue Colouring Matters of the Triphenylmethane Series. - Google Patents
Manufacture of Blue Colouring Matters of the Triphenylmethane Series.Info
- Publication number
- GB190715204A GB190715204A GB190715204DA GB190715204A GB 190715204 A GB190715204 A GB 190715204A GB 190715204D A GB190715204D A GB 190715204DA GB 190715204 A GB190715204 A GB 190715204A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- chlor
- sulphobenzaldehyde
- dyes
- produced
- 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
15,204. Shillito, T. R., [Aniline Colour and Extract Works, formerlyJ. R. Geigy]. July 2. Samples furnishedunderSection 2 of Patents &c. Act, 1907. Dyes, artificial.-Dyes of the triphenylmethane series, which dye wool from an acid bath with subsequent chroming blue shades, are produced by condensing o-sulphobenzaldehyde or o-chlorbenzaldehyde or their oxy, chlor, brom, sulpho, and nitro derivatives or halogenized m-oxybenzaldehydes, with an o-oxycarboxylic acid in presence of sulphuric acid, and oxidizing the leuco compounds with, for example, nitrosylsulphate, nitric acid, aromatic nitrohydrocarbons and their sulphonic acids, or nitrophenols. In examples, dyes are produced by condensing o - -sulphobenzaldehyde with o-cresotinic acid, o chlorbenzaldehyde with salicylic acid, 2-chlor-5-nitrobenzaldehyde with o-cresotinic acid, and 2:6- dicblorbeuzaldebyde with o-cresotinic acid, and 2 : 4 : 6-trichlor-3-oxybenzaldehyde with o-cresotinic acid, and oxidizing the leuco compounds. Dyes are also similarly obtained from 24-disulphobenzaldehyde, 4- and 5-chlor-2 sulphobenzaldehyde, 2 - chlor- 5 - sulpho - benzaldehyde, 2-chlor-6-sulphobenzaldehyde, 2 : 5- dichlorbenzaldebyde, 2 : 6 - dichlor - 5 - nitrobenzaldehyde, 2 : 6-dichlor-5-salphobenzaldehyde, 2 : 4 : 5- trichlorbenzaldehyde, 2: 4: 6-tribrom-3-oxybenzaldehyde. 2 :6-Dichlorbenzaldehyde is produced from 2 : 6- dichlortoluene by the usual methods.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190715204T | 1907-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190715204A true GB190715204A (en) | 1908-07-02 |
Family
ID=32633728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190715204D Expired GB190715204A (en) | 1907-07-02 | 1907-07-02 | Manufacture of Blue Colouring Matters of the Triphenylmethane Series. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190715204A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3833400A (en) * | 1970-11-13 | 1974-09-03 | Fuji Photo Film Co Ltd | Sheet with improved image durability |
-
1907
- 1907-07-02 GB GB190715204D patent/GB190715204A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3833400A (en) * | 1970-11-13 | 1974-09-03 | Fuji Photo Film Co Ltd | Sheet with improved image durability |
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