FR1234875A - Polyazo dyes and their preparation process - Google Patents

Polyazo dyes and their preparation process

Info

Publication number
FR1234875A
FR1234875A FR798839A FR798839A FR1234875A FR 1234875 A FR1234875 A FR 1234875A FR 798839 A FR798839 A FR 798839A FR 798839 A FR798839 A FR 798839A FR 1234875 A FR1234875 A FR 1234875A
Authority
FR
France
Prior art keywords
preparation process
polyazo dyes
polyazo
dyes
preparation
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
FR798839A
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 FR1234875A publication Critical patent/FR1234875A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24—Disazo or polyazo compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR798839A 1958-08-06 1959-06-29 Polyazo dyes and their preparation process Expired FR1234875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1234875X 1958-08-06

Publications (1)

Publication Number Publication Date
FR1234875A true FR1234875A (en) 1960-10-19

Family

ID=4564369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798839A Expired FR1234875A (en) 1958-08-06 1959-06-29 Polyazo dyes and their preparation process

Country Status (1)

Country Link
FR (1) FR1234875A (en)

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