DE201108C - - Google Patents
Info
- Publication number
- DE201108C DE201108C DENDAT201108D DE201108DA DE201108C DE 201108 C DE201108 C DE 201108C DE NDAT201108 D DENDAT201108 D DE NDAT201108D DE 201108D A DE201108D A DE 201108DA DE 201108 C DE201108 C DE 201108C
- Authority
- DE
- Germany
- Prior art keywords
- indigo
- caustic
- act
- production
- acetic 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
- PJDGOXXKHPBMQA-UHFFFAOYSA-N 3-(2-nitrophenyl)-3-oxopropanoic acid Chemical compound OC(=O)CC(=O)C1=CC=CC=C1[N+]([O-])=O PJDGOXXKHPBMQA-UHFFFAOYSA-N 0.000 claims 1
- 229940097275 Indigo Drugs 0.000 claims 1
- 240000007871 Indigofera tinctoria Species 0.000 claims 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 239000003518 caustics Substances 0.000 claims 1
- 239000003638 reducing agent 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
- C09B7/02—Bis-indole indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Verfahren zur Herstellung von Indigo, dadurch gekennzeichnet, daß man auf o-Nitrobenzoylessigsäure ein Reduktionsmittel bei Gegenwart von kaustischem Alkali im Überschuß einwirken läßt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE201108C true DE201108C (de) |
Family
ID=463691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT201108D Active DE201108C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE201108C (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5350019A (en) * | 1986-09-05 | 1994-09-27 | Nohmi Bosai Kogyo Kabushiki Kaisha | Fire protection system |
-
0
- DE DENDAT201108D patent/DE201108C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5350019A (en) * | 1986-09-05 | 1994-09-27 | Nohmi Bosai Kogyo Kabushiki Kaisha | Fire protection system |
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