FR1018493A - Azo direct dyes and process for their preparation - Google Patents

Azo direct dyes and process for their preparation

Info

Publication number
FR1018493A
FR1018493A FR1018493DA FR1018493A FR 1018493 A FR1018493 A FR 1018493A FR 1018493D A FR1018493D A FR 1018493DA FR 1018493 A FR1018493 A FR 1018493A
Authority
FR
France
Prior art keywords
preparation
direct dyes
azo direct
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 FR1018493A publication Critical patent/FR1018493A/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1018493D 1949-05-20 1950-05-13 Azo direct dyes and process for their preparation Expired FR1018493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1018493X 1949-05-20

Publications (1)

Publication Number Publication Date
FR1018493A true FR1018493A (en) 1953-01-08

Family

ID=4552866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018493D Expired FR1018493A (en) 1949-05-20 1950-05-13 Azo direct dyes and process for their preparation

Country Status (1)

Country Link
FR (1) FR1018493A (en)

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