FR27910E - Process for the production of black azo dyestuffs - Google Patents
Process for the production of black azo dyestuffsInfo
- Publication number
- FR27910E FR27910E FR27910DA FR27910E FR 27910 E FR27910 E FR 27910E FR 27910D A FR27910D A FR 27910DA FR 27910 E FR27910 E FR 27910E
- Authority
- FR
- France
- Prior art keywords
- production
- azo dyestuffs
- black azo
- black
- dyestuffs
- 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
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/02—Disazo dyes
- C09B31/04—Disazo dyes from a coupling component "C" containing a directive amino group
- C09B31/053—Amino naphthalenes
- C09B31/057—Amino naphthalenes containing acid groups, e.g. —CO2H, —SO3H, —PO3H2, —OSO3H, —OPO2H2; Salts thereof
-
- 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
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/02—Disazo dyes
- C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
-
- 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
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/02—Disazo dyes
- C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
- C09B31/075—Disazo dyes from a coupling component "C" containing a directive hydroxyl group ortho-Hydroxy carboxylic acid amides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE552272X | 1921-06-13 | ||
DEC32393D DE391091C (en) | 1922-07-23 | 1922-07-23 | Process for the preparation of water-insoluble azo dyes |
DE1923C0033137 DE392077C (en) | 1922-07-23 | 1923-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR27910E true FR27910E (en) | 1924-09-27 |
Family
ID=37670936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR27910D Expired FR27910E (en) | 1921-06-13 | 1923-07-05 | Process for the production of black azo dyestuffs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR27910E (en) |
-
1923
- 1923-07-05 FR FR27910D patent/FR27910E/en not_active Expired
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