CH392731A - Process for the production of azo dyes - Google Patents

Process for the production of azo dyes

Info

Publication number
CH392731A
CH392731A CH572160A CH572160A CH392731A CH 392731 A CH392731 A CH 392731A CH 572160 A CH572160 A CH 572160A CH 572160 A CH572160 A CH 572160A CH 392731 A CH392731 A CH 392731A
Authority
CH
Switzerland
Prior art keywords
production
azo dyes
azo
dyes
Prior art date
Application number
CH572160A
Other languages
German (de)
Inventor
Willy Dr Steinemann
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 CH572160A priority Critical patent/CH392731A/en
Priority to GB1728061A priority patent/GB984451A/en
Priority to DE19611419886 priority patent/DE1419886A1/en
Priority to US354753A priority patent/US3301844A/en
Publication of CH392731A publication Critical patent/CH392731A/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
    • C09B50/00—Formazane dyes; Tetrazolium 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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/16—Disazo dyes from other coupling components
    • 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type
    • 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
    • C09B41/00—Special methods of performing the coupling reaction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
CH572160A 1959-07-17 1960-05-19 Process for the production of azo dyes CH392731A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH572160A CH392731A (en) 1960-05-19 1960-05-19 Process for the production of azo dyes
GB1728061A GB984451A (en) 1960-05-19 1961-05-11 Azo dyestuffs derived from diacylmethanes, their production and use
DE19611419886 DE1419886A1 (en) 1960-05-19 1961-05-17 Process for the production of azo dyes
US354753A US3301844A (en) 1959-07-17 1964-03-25 Unsymmetrical disazo formazane dyes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH572160A CH392731A (en) 1960-05-19 1960-05-19 Process for the production of azo dyes

Publications (1)

Publication Number Publication Date
CH392731A true CH392731A (en) 1965-05-31

Family

ID=4298246

Family Applications (1)

Application Number Title Priority Date Filing Date
CH572160A CH392731A (en) 1959-07-17 1960-05-19 Process for the production of azo dyes

Country Status (3)

Country Link
CH (1) CH392731A (en)
DE (1) DE1419886A1 (en)
GB (1) GB984451A (en)

Also Published As

Publication number Publication date
DE1419886A1 (en) 1968-10-17
GB984451A (en) 1965-02-24

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