FR842576A - Process for preparing azo dyes - Google Patents
Process for preparing azo dyesInfo
- Publication number
- FR842576A FR842576A FR842576DA FR842576A FR 842576 A FR842576 A FR 842576A FR 842576D A FR842576D A FR 842576DA FR 842576 A FR842576 A FR 842576A
- 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
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
- C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
- C09B43/14—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with phosgene or thiophosgene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR842576T | 1938-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR842576A true FR842576A (en) | 1939-06-14 |
Family
ID=9311501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842576D Expired FR842576A (en) | 1938-08-25 | 1938-08-25 | Process for preparing azo dyes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR842576A (en) |
-
1938
- 1938-08-25 FR FR842576D patent/FR842576A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR799316A (en) | Process for preparing azo dyes | |
FR804316A (en) | Process for preparing azo dyes | |
FR861675A (en) | Process for preparing azo dyes | |
FR831603A (en) | Process for preparing dyes | |
FR861674A (en) | Process for preparing trisazo dyes | |
FR879116A (en) | Process for preparing azomethine dyes | |
FR861677A (en) | Process for preparing azo metal dyes | |
FR858900A (en) | Process for preparing azo dyes | |
FR842576A (en) | Process for preparing azo dyes | |
FR857726A (en) | Process for preparing azo dyes | |
FR842185A (en) | Process for preparing azo dyes | |
FR852042A (en) | Process for preparing polyazo dyes | |
FR819778A (en) | Process for preparing azo dyes | |
FR832669A (en) | Process for preparing azo dyes | |
FR786756A (en) | Process for preparing azo dyes | |
FR894039A (en) | Process for preparing azo metal dyes | |
FR851524A (en) | Process for preparing azo dyes | |
FR49446E (en) | Process for preparing dyes | |
FR49285E (en) | Process for preparing dyes | |
FR879345A (en) | Process for preparing azo dyes | |
FR850496A (en) | Process for preparing blue-black dyes for lacquers | |
FR862016A (en) | Process for preparing substantive dyes | |
FR829290A (en) | Process for preparing azo dyes | |
FR49773E (en) | Process for the production of azo dyes | |
FR49776E (en) | Process for the production of azo dyes |