FR28861E - Process for the production of black azo dyestuffs - Google Patents

Process for the production of black azo dyestuffs

Info

Publication number
FR28861E
FR28861E FR28861DA FR28861E FR 28861 E FR28861 E FR 28861E FR 28861D A FR28861D A FR 28861DA FR 28861 E FR28861 E FR 28861E
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GRIESHEIM ELEKTRON CHEM FAB
Chemische Fabrik Griesheim Elektron
Original Assignee
GRIESHEIM ELEKTRON CHEM FAB
Chemische Fabrik Griesheim Elektron
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GRIESHEIM ELEKTRON CHEM FAB, Chemische Fabrik Griesheim Elektron filed Critical GRIESHEIM ELEKTRON CHEM FAB
Application granted granted Critical
Publication of FR28861E publication Critical patent/FR28861E/en
Expired legal-status Critical Current

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
    • C09B31/06—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)
FR28861D 1924-04-04 1924-04-04 Process for the production of black azo dyestuffs Expired FR28861E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28861T 1924-04-04

Publications (1)

Publication Number Publication Date
FR28861E true FR28861E (en) 1925-04-08

Family

ID=8666966

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28861D Expired FR28861E (en) 1924-04-04 1924-04-04 Process for the production of black azo dyestuffs

Country Status (1)

Country Link
FR (1) FR28861E (en)

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