GB381238A - Brown acid azo dyestuffs - Google Patents
Brown acid azo dyestuffsInfo
- Publication number
- GB381238A GB381238A GB1938931A GB1938931A GB381238A GB 381238 A GB381238 A GB 381238A GB 1938931 A GB1938931 A GB 1938931A GB 1938931 A GB1938931 A GB 1938931A GB 381238 A GB381238 A GB 381238A
- Authority
- GB
- United Kingdom
- Prior art keywords
- azo dyestuffs
- acid azo
- brown acid
- brown
- dyestuffs
- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
- C09B29/28—Amino naphthols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
Dyestuffs yielding full brown shades on wool are obtained by diazotizing 1-naphthylamine-2-sulphonic acid and coupling with 1 : 5-aminonaphthol in acid or alkaline medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1938931A GB381238A (en) | 1931-07-06 | 1931-07-06 | Brown acid azo dyestuffs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1938931A GB381238A (en) | 1931-07-06 | 1931-07-06 | Brown acid azo dyestuffs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB381238A true GB381238A (en) | 1932-10-06 |
Family
ID=10128541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1938931A Expired GB381238A (en) | 1931-07-06 | 1931-07-06 | Brown acid azo dyestuffs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB381238A (en) |
-
1931
- 1931-07-06 GB GB1938931A patent/GB381238A/en not_active Expired
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