FR966093A - Azo dyes and process for their preparation - Google Patents

Azo dyes and process for their preparation

Info

Publication number
FR966093A
FR966093A FR966093DA FR966093A FR 966093 A FR966093 A FR 966093A FR 966093D A FR966093D A FR 966093DA FR 966093 A FR966093 A FR 966093A
Authority
FR
France
Prior art keywords
preparation
azo dyes
azo
dyes
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR966093A publication Critical patent/FR966093A/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)
FR966093D 1947-06-17 1948-05-07 Azo dyes and process for their preparation Expired FR966093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH966093X 1947-06-17

Publications (1)

Publication Number Publication Date
FR966093A true FR966093A (en) 1950-09-29

Family

ID=4550649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR966093D Expired FR966093A (en) 1947-06-17 1948-05-07 Azo dyes and process for their preparation

Country Status (1)

Country Link
FR (1) FR966093A (en)

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