GB281213A - Improvements in manufacture of dyestuffs and in dyeing cellulose esters - Google Patents
Improvements in manufacture of dyestuffs and in dyeing cellulose estersInfo
- Publication number
- GB281213A GB281213A GB2638027A GB2638027A GB281213A GB 281213 A GB281213 A GB 281213A GB 2638027 A GB2638027 A GB 2638027A GB 2638027 A GB2638027 A GB 2638027A GB 281213 A GB281213 A GB 281213A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose esters
- dyestuffs
- manufacture
- dyeing cellulose
- thioindigo
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B7/00—Indigoid dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
281,213. Barnard, C. M., and British Alizarine Co., Ltd. Jan. 6, 1927. Indigoid dyes for cellulose esters are obtained by fusing with citric acid unsulphonated indigo or thioindigo dyestuffs containing one or more free primary amino groups. As example, 7 : 7<1>- diamino-thioindigo yields a product dyeing cellulose acetate a violet-red shade. Specifications 252,240 and 258,960 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2638027A GB281213A (en) | 1927-01-06 | 1927-01-06 | Improvements in manufacture of dyestuffs and in dyeing cellulose esters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2638027A GB281213A (en) | 1927-01-06 | 1927-01-06 | Improvements in manufacture of dyestuffs and in dyeing cellulose esters |
Publications (1)
Publication Number | Publication Date |
---|---|
GB281213A true GB281213A (en) | 1927-12-01 |
Family
ID=10242740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2638027A Expired GB281213A (en) | 1927-01-06 | 1927-01-06 | Improvements in manufacture of dyestuffs and in dyeing cellulose esters |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB281213A (en) |
-
1927
- 1927-01-06 GB GB2638027A patent/GB281213A/en not_active Expired
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