CH443524A - Process for the production of azo dyes - Google Patents

Process for the production of azo dyes

Info

Publication number
CH443524A
CH443524A CH340967A CH340967A CH443524A CH 443524 A CH443524 A CH 443524A CH 340967 A CH340967 A CH 340967A CH 340967 A CH340967 A CH 340967A CH 443524 A CH443524 A CH 443524A
Authority
CH
Switzerland
Prior art keywords
production
azo dyes
azo
dyes
Prior art date
Application number
CH340967A
Other languages
German (de)
Inventor
Karl-Heinz Dr Schuendehuette
Karl-Heinz Dr Schmidt
Fritz Dr Suckfuell
Horst Dr Nickel
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of CH443524A publication Critical patent/CH443524A/en

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
    • 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
    • C09B27/00—Preparations in which the azo group is formed in any way other than by diazotising and coupling, e.g. oxidation
    • 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
    • C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
    • 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
    • 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
    • C09B45/04—Azo compounds in general
    • 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
CH340967A 1957-12-23 1959-03-25 Process for the production of azo dyes CH443524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF24681A DE1098644B (en) 1957-12-23 1957-12-23 Process for the production of azo dyes and their metal complex compounds

Publications (1)

Publication Number Publication Date
CH443524A true CH443524A (en) 1967-09-15

Family

ID=7091324

Family Applications (3)

Application Number Title Priority Date Filing Date
CH572764A CH461679A (en) 1957-12-23 1958-11-23 Process for the production of azo dyes
CH1540565A CH460992A (en) 1957-12-23 1958-11-24 Process for the production of azo dyes
CH340967A CH443524A (en) 1957-12-23 1959-03-25 Process for the production of azo dyes

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CH572764A CH461679A (en) 1957-12-23 1958-11-23 Process for the production of azo dyes
CH1540565A CH460992A (en) 1957-12-23 1958-11-24 Process for the production of azo dyes

Country Status (4)

Country Link
BE (1) BE574173A (en)
CH (3) CH461679A (en)
DE (1) DE1098644B (en)
GB (1) GB907382A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2033989C2 (en) * 1969-07-18 1985-05-09 Ciba-Geigy Ag, Basel Storage-stable concentrated solutions of metal complexes of azo or azo-azomethine dyes and their uses
DE4015591A1 (en) * 1990-05-15 1991-11-21 Boehringer Mannheim Gmbh NAPHTHOL DERIVATIVES, PROCESS FOR THEIR PREPARATION AND THEIR USE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE528166C (en) * 1927-10-08 1931-06-26 Chemische Ind Ges Process for the production of metal-containing azo dyes
DE904228C (en) * 1950-05-26 1954-02-15 Sandoz Ag Process for the preparation of copper-containing disazo dyes

Also Published As

Publication number Publication date
CH461679A (en) 1968-08-31
CH460992A (en) 1968-08-15
DE1098644B (en) 1961-02-02
BE574173A (en) 1959-06-23
GB907382A (en) 1962-10-03

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