DE261650C - - Google Patents
Info
- Publication number
- DE261650C DE261650C DENDAT261650D DE261650DA DE261650C DE 261650 C DE261650 C DE 261650C DE NDAT261650 D DENDAT261650 D DE NDAT261650D DE 261650D A DE261650D A DE 261650DA DE 261650 C DE261650 C DE 261650C
- Authority
- DE
- Germany
- Prior art keywords
- protected
- aminobenzoyl
- pyrazolones
- phenylenediamine
- named
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 229940051880 analgesics and antipyretics Pyrazolones Drugs 0.000 claims 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims 1
- 238000006193 diazotization reaction Methods 0.000 claims 1
- 239000000975 dye Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000006011 modification reaction Methods 0.000 claims 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical class O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 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
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (2)
- Patent-Ansprüche:ι. Abänderung des durch Patent 257689 geschützten Verfahrens zur Darstellung substantiver Disazofarbstoffe, darin bestehend, daß man die dort genannten Pyrazolone und deren Abkömmlinge hier . durch zwei andere, gleiche oder verschiedene, Azokomponenten ersetzt.
- 2. Weitere Ausführungsform des durch Patent 257689 und Anspruch 1 geschützten Verfahrens, darin bestehend, daß man als Diazotierungskomponente die fertig gebildete ρ-Aminobenzoyl-ρ-phenylendiaminharnstoffdisulfosäure verwendet.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE261650C true DE261650C (de) |
Family
ID=519189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT261650D Active DE261650C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE261650C (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE749738C (de) * | 1940-11-22 | 1944-12-20 | Verfahren zur Herstellung von Disazofarbstoffen | |
| DE845086C (de) * | 1942-06-20 | 1952-07-28 | Ciba Geigy | Verfahren zur Herstellung von Disazofarbstoffen |
-
0
- DE DENDAT261650D patent/DE261650C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE749738C (de) * | 1940-11-22 | 1944-12-20 | Verfahren zur Herstellung von Disazofarbstoffen | |
| DE845086C (de) * | 1942-06-20 | 1952-07-28 | Ciba Geigy | Verfahren zur Herstellung von Disazofarbstoffen |
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