FR636970A - Production de colorants - Google Patents
Production de colorantsInfo
- Publication number
- FR636970A FR636970A FR636970DA FR636970A FR 636970 A FR636970 A FR 636970A FR 636970D A FR636970D A FR 636970DA FR 636970 A FR636970 A FR 636970A
- Authority
- FR
- France
- Prior art keywords
- dyes
- production
- 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 |
---|---|---|---|
CH636970X | 1926-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR636970A true FR636970A (fr) | 1928-04-20 |
Family
ID=4525160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR636970D Expired FR636970A (fr) | 1926-07-10 | 1927-07-04 | Production de colorants |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR636970A (fr) |
-
1927
- 1927-07-04 FR FR636970D patent/FR636970A/fr not_active Expired
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