FR1077540A - Metalliferous poly-azo dyes and their preparation - Google Patents

Metalliferous poly-azo dyes and their preparation

Info

Publication number
FR1077540A
FR1077540A FR1077540DA FR1077540A FR 1077540 A FR1077540 A FR 1077540A FR 1077540D A FR1077540D A FR 1077540DA FR 1077540 A FR1077540 A FR 1077540A
Authority
FR
France
Prior art keywords
metalliferous
poly
preparation
azo dyes
azo
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 FR1077540A publication Critical patent/FR1077540A/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
    • C09B31/30—Other polyazo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1077540D 1951-12-18 1952-12-16 Metalliferous poly-azo dyes and their preparation Expired FR1077540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1077540X 1951-12-18

Publications (1)

Publication Number Publication Date
FR1077540A true FR1077540A (en) 1954-11-09

Family

ID=4556165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1077540D Expired FR1077540A (en) 1951-12-18 1952-12-16 Metalliferous poly-azo dyes and their preparation

Country Status (1)

Country Link
FR (1) FR1077540A (en)

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