DE245875C - - Google Patents
Info
- Publication number
- DE245875C DE245875C DENDAT245875D DE245875DA DE245875C DE 245875 C DE245875 C DE 245875C DE NDAT245875 D DENDAT245875 D DE NDAT245875D DE 245875D A DE245875D A DE 245875DA DE 245875 C DE245875 C DE 245875C
- Authority
- DE
- Germany
- Prior art keywords
- aminoanthraquinones
- carboxyaryl
- halogen
- treated
- real
- 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
- RGCKGOZRHPZPFP-UHFFFAOYSA-N Alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000004040 coloring Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000984 vat dye Substances 0.000 claims 1
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Verfahren zur Darstellung von echten alizarinrot färbenden Küpenfarbstoffen, darin bestehend, daß man Bz-5-halogen-2-carboxyaryl-1-aminoanthrachinone mit wasserentziehenden Mitteln behandelt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE245875C true DE245875C (de) |
Family
ID=504798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT245875D Active DE245875C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE245875C (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0576995A2 (de) * | 1992-07-01 | 1994-01-05 | BASF Aktiengesellschaft | Verfahren zur Herstellung von 5-Halogen-2-(1-anthrachinonylamino)benzoesäuren und 4'-Halogen-2,1(N)-anthrachinonyl-1',2'(N)-benzacridonen |
-
0
- DE DENDAT245875D patent/DE245875C/de active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0576995A2 (de) * | 1992-07-01 | 1994-01-05 | BASF Aktiengesellschaft | Verfahren zur Herstellung von 5-Halogen-2-(1-anthrachinonylamino)benzoesäuren und 4'-Halogen-2,1(N)-anthrachinonyl-1',2'(N)-benzacridonen |
| EP0576995A3 (de) * | 1992-07-01 | 1994-04-20 | Basf Ag | |
| US5401846A (en) * | 1992-07-01 | 1995-03-28 | Basf Aktiengesellschaft | Preparation of 5-halo-2-(1-anthraquinonylamino)-benzoic acids and 4'-halo-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones |
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