DE182260C - - Google Patents
Info
- Publication number
- DE182260C DE182260C DENDAT182260D DE182260DA DE182260C DE 182260 C DE182260 C DE 182260C DE NDAT182260 D DENDAT182260 D DE NDAT182260D DE 182260D A DE182260D A DE 182260DA DE 182260 C DE182260 C DE 182260C
- Authority
- DE
- Germany
- Prior art keywords
- thionaphten
- isatin
- oxy
- preparation
- carboxylic acid
- 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.)
- Active
Links
- JXDYKVIHCLTXOP-UHFFFAOYSA-N Isatin Chemical compound C1=CC=C2C(=O)C(=O)NC2=C1 JXDYKVIHCLTXOP-UHFFFAOYSA-N 0.000 claims 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 239000001044 red dye Substances 0.000 claims 1
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
- C09B7/06—Indone-thionapthene indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREi.
Claims (1)
- Patent-Anspruch:Verfahren zur Darstellung eines roten Farbstoffs, darin bestehend, daß man molekulare Mengen von Isatin und 3-Oxy-(i)thionaphten bezw. seiner Carbonsäure miteinander kondensiert! -
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE182260C true DE182260C (de) |
Family
ID=446377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT182260D Active DE182260C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE182260C (de) |
-
0
- DE DENDAT182260D patent/DE182260C/de active Active
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