FR934352A - Process for preparing polyazo dyes - Google Patents

Process for preparing polyazo dyes

Info

Publication number
FR934352A
FR934352A FR934352DA FR934352A FR 934352 A FR934352 A FR 934352A FR 934352D A FR934352D A FR 934352DA FR 934352 A FR934352 A FR 934352A
Authority
FR
France
Prior art keywords
preparing
polyazo dyes
polyazo
dyes
preparing polyazo
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 FR934352A publication Critical patent/FR934352A/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
    • 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
    • C09B31/08—Disazo dyes from a coupling component "C" containing directive hydroxyl and amino groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR934352D 1945-11-16 1946-10-07 Process for preparing polyazo dyes Expired FR934352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH934352X 1945-11-16

Publications (1)

Publication Number Publication Date
FR934352A true FR934352A (en) 1948-05-20

Family

ID=4548995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934352D Expired FR934352A (en) 1945-11-16 1946-10-07 Process for preparing polyazo dyes

Country Status (1)

Country Link
FR (1) FR934352A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0919596A1 (en) * 1997-12-01 1999-06-02 Bayer Aktiengesellschaft Disazo dyes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0919596A1 (en) * 1997-12-01 1999-06-02 Bayer Aktiengesellschaft Disazo dyes
US6194554B1 (en) 1997-12-01 2001-02-27 Bayer Aktiengesellschaft Disazo dyes

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