CH222991A - Process for the preparation of an azo dye. - Google Patents
Process for the preparation of an azo dye.Info
- Publication number
- CH222991A CH222991A CH222991DA CH222991A CH 222991 A CH222991 A CH 222991A CH 222991D A CH222991D A CH 222991DA CH 222991 A CH222991 A CH 222991A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- azo dye
- azo
- dye
- Prior art date
Links
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
- C09B35/38—Trisazo dyes ot the type
- C09B35/40—Trisazo dyes ot the type the component K being a dihydroxy or polyhydroxy compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE222991X | 1940-05-15 | ||
CH219654T | 1941-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH222991A true CH222991A (en) | 1942-08-15 |
Family
ID=25726312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH222991D CH222991A (en) | 1940-05-15 | 1941-03-24 | Process for the preparation of an azo dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH222991A (en) |
-
1941
- 1941-03-24 CH CH222991D patent/CH222991A/en unknown
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