CH445684A - Process for the production of azo dyes - Google Patents

Process for the production of azo dyes

Info

Publication number
CH445684A
CH445684A CH159562A CH159562A CH445684A CH 445684 A CH445684 A CH 445684A CH 159562 A CH159562 A CH 159562A CH 159562 A CH159562 A CH 159562A CH 445684 A CH445684 A CH 445684A
Authority
CH
Switzerland
Prior art keywords
production
azo dyes
azo
dyes
Prior art date
Application number
CH159562A
Other languages
German (de)
Inventor
Piero Dr Maderni
Reinhard Dr Neier
Walter Dr Wehrli
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
Priority to CH159562A priority Critical patent/CH445684A/en
Priority to GB231763A priority patent/GB1034043A/en
Publication of CH445684A publication Critical patent/CH445684A/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
    • 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
    • C09B45/14—Monoazo compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH159562A 1962-01-19 1962-02-09 Process for the production of azo dyes CH445684A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH159562A CH445684A (en) 1962-02-09 1962-02-09 Process for the production of azo dyes
GB231763A GB1034043A (en) 1962-01-19 1963-01-18 Azo dyes containing n-alkoxy-sulphonamide groups and metal complexes thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH159562A CH445684A (en) 1962-02-09 1962-02-09 Process for the production of azo dyes

Publications (1)

Publication Number Publication Date
CH445684A true CH445684A (en) 1967-10-31

Family

ID=4214082

Family Applications (1)

Application Number Title Priority Date Filing Date
CH159562A CH445684A (en) 1962-01-19 1962-02-09 Process for the production of azo dyes

Country Status (1)

Country Link
CH (1) CH445684A (en)

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