FR822743A - Process for preparing azo dyes - Google Patents
Process for preparing azo dyesInfo
- Publication number
- FR822743A FR822743A FR822743DA FR822743A FR 822743 A FR822743 A FR 822743A FR 822743D A FR822743D A FR 822743DA FR 822743 A FR822743 A FR 822743A
- Authority
- FR
- France
- Prior art keywords
- azo dyes
- preparing azo
- preparing
- dyes
- azo
- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
- C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
- C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
- C09B29/3617—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom
- C09B29/3621—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring
- C09B29/3626—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring from a pyridine ring containing one or more hydroxyl groups (or = O)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE822743X | 1936-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR822743A true FR822743A (en) | 1938-01-06 |
Family
ID=6744131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR822743D Expired FR822743A (en) | 1936-06-10 | 1937-06-07 | Process for preparing azo dyes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR822743A (en) |
-
1937
- 1937-06-07 FR FR822743D patent/FR822743A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR799316A (en) | Process for preparing azo dyes | |
FR804316A (en) | Process for preparing azo dyes | |
FR815088A (en) | Process for preparing dyes | |
FR809359A (en) | Process for preparing phthalocyanine dyes | |
FR809395A (en) | Process for preparing polymethine dyes | |
FR809410A (en) | Process for preparing polymethine dyes | |
FR819778A (en) | Process for preparing azo dyes | |
FR831603A (en) | Process for preparing dyes | |
FR815412A (en) | Process for preparing dyes | |
FR829290A (en) | Process for preparing azo dyes | |
FR786756A (en) | Process for preparing azo dyes | |
FR822421A (en) | Process for preparing azo dyes | |
FR822743A (en) | Process for preparing azo dyes | |
FR811617A (en) | Process for preparing azo dyes | |
FR832669A (en) | Process for preparing azo dyes | |
FR786755A (en) | Process for preparing azo dyes | |
FR815168A (en) | Process for preparing polymethine dyes | |
FR817167A (en) | Process for preparing dyes | |
FR823058A (en) | Process for preparing dyes | |
FR817409A (en) | Process for preparing dyes | |
FR816692A (en) | Process for preparing dyes | |
FR814854A (en) | Process for preparing dyes | |
FR814167A (en) | Process for preparing azo dyes | |
FR811732A (en) | Process for preparing azo dyes | |
FR808014A (en) | Process for preparing azo dyes |