DE178621C - - Google Patents
Info
- Publication number
- DE178621C DE178621C DENDAT178621D DE178621DA DE178621C DE 178621 C DE178621 C DE 178621C DE NDAT178621 D DENDAT178621 D DE NDAT178621D DE 178621D A DE178621D A DE 178621DA DE 178621 C DE178621 C DE 178621C
- Authority
- DE
- Germany
- Prior art keywords
- nitrite
- nickel
- diazooxydnaphtalinsulfosäuren
- spr
- modification
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Coloring (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-An SPR υ ch:Abänderung des durch Patent 175593 geschützten Verfahrens zur Darstellung von ι · 2- Diazooxydnaphtalinsulfosäuren, darin bestehend, daß man hier das Zinknitrit durch Nickelnitrit bezw. Natriumnitrit und äquivalente Mengen löslicher Nickelsalze ersetzt.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE175593T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE178621C true DE178621C (de) |
Family
ID=5693733
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT178621D Active DE178621C (de) | |||
| DENDAT178936D Active DE178936C (de) | |||
| DENDAT175593D Active DE175593C (de) |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT178936D Active DE178936C (de) | |||
| DENDAT175593D Active DE175593C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (3) | DE175593C (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0198800A1 (de) * | 1985-04-17 | 1986-10-22 | Ciba-Geigy Ag | Verfahren zur Herstellung von 1-Diazo-2-naphthol-4-sulfonsäure |
-
0
- DE DENDAT178621D patent/DE178621C/de active Active
- DE DENDAT178936D patent/DE178936C/de active Active
- DE DENDAT175593D patent/DE175593C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0198800A1 (de) * | 1985-04-17 | 1986-10-22 | Ciba-Geigy Ag | Verfahren zur Herstellung von 1-Diazo-2-naphthol-4-sulfonsäure |
| US4777246A (en) * | 1985-04-17 | 1988-10-11 | Ciba-Geigy Corporation | 1-diazo-2-naphthol-4-sulfonic acid by iron-catalyzed diazotization |
Also Published As
| Publication number | Publication date |
|---|---|
| DE178936C (de) | |
| DE175593C (de) |
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