FR1136315A - Novel poly-azo dyes and process for preparing these dyes - Google Patents

Novel poly-azo dyes and process for preparing these dyes

Info

Publication number
FR1136315A
FR1136315A FR1136315DA FR1136315A FR 1136315 A FR1136315 A FR 1136315A FR 1136315D A FR1136315D A FR 1136315DA FR 1136315 A FR1136315 A FR 1136315A
Authority
FR
France
Prior art keywords
dyes
preparing
novel poly
azo
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.)
Sandoz AG
Original Assignee
Sandoz 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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of FR1136315A publication Critical patent/FR1136315A/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
    • C09B43/08—Preparation of azo dyes from other azo compounds by reduction
    • C09B43/085—Preparation of azo dyes from other azo compounds by reduction by reacting nitro azo dyes with amine or amino azo dye with nitro compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1136315D 1955-08-09 1955-08-09 Novel poly-azo dyes and process for preparing these dyes Expired FR1136315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1136315T 1955-08-09

Publications (1)

Publication Number Publication Date
FR1136315A true FR1136315A (en) 1957-05-13

Family

ID=9640184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1136315D Expired FR1136315A (en) 1955-08-09 1955-08-09 Novel poly-azo dyes and process for preparing these dyes

Country Status (1)

Country Link
FR (1) FR1136315A (en)

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