FR679627A - Process for the preparation of azo dyes - Google Patents
Process for the preparation of azo dyesInfo
- Publication number
- FR679627A FR679627A FR679627DA FR679627A FR 679627 A FR679627 A FR 679627A FR 679627D A FR679627D A FR 679627DA FR 679627 A FR679627 A FR 679627A
- Authority
- FR
- France
- Prior art keywords
- preparation
- azo dyes
- azo
- dyes
- 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.)
- Expired
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
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/205—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
- C09B35/21—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylmethane or triarylmethane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE679627X | 1928-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR679627A true FR679627A (en) | 1930-04-15 |
Family
ID=6594509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR679627D Expired FR679627A (en) | 1928-08-13 | 1929-07-31 | Process for the preparation of azo dyes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR679627A (en) |
-
1929
- 1929-07-31 FR FR679627D patent/FR679627A/en not_active Expired
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