AT295685B - Process for the preparation of new, sulfonic acid and carboxylic acid group-free disazo dyes - Google Patents

Process for the preparation of new, sulfonic acid and carboxylic acid group-free disazo dyes

Info

Publication number
AT295685B
AT295685B AT896670A AT896670A AT295685B AT 295685 B AT295685 B AT 295685B AT 896670 A AT896670 A AT 896670A AT 896670 A AT896670 A AT 896670A AT 295685 B AT295685 B AT 295685B
Authority
AT
Austria
Prior art keywords
preparation
new
carboxylic acid
disazo dyes
sulfonic acid
Prior art date
Application number
AT896670A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT295685B publication Critical patent/AT295685B/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/34—Disazo dyes characterised by the tetrazo component the tetrazo component being heterocyclic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT896670A 1969-10-14 1970-10-05 Process for the preparation of new, sulfonic acid and carboxylic acid group-free disazo dyes AT295685B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691951634 DE1951634A1 (en) 1969-10-14 1969-10-14 Disazo dyes and processes for their preparation

Publications (1)

Publication Number Publication Date
AT295685B true AT295685B (en) 1972-01-10

Family

ID=5748092

Family Applications (1)

Application Number Title Priority Date Filing Date
AT896670A AT295685B (en) 1969-10-14 1970-10-05 Process for the preparation of new, sulfonic acid and carboxylic acid group-free disazo dyes

Country Status (9)

Country Link
AT (1) AT295685B (en)
BE (1) BE757494A (en)
CA (1) CA941823A (en)
CH (1) CH515973A (en)
DE (1) DE1951634A1 (en)
ES (1) ES384489A1 (en)
FR (1) FR2064334B1 (en)
GB (1) GB1269608A (en)
NL (1) NL7014867A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3100226A1 (en) * 1981-01-07 1982-08-05 Hoechst Ag, 6000 Frankfurt "DISAZO CONNECTIONS, METHOD FOR THEIR PRODUCTION AND THEIR USE"

Also Published As

Publication number Publication date
DE1951634A1 (en) 1971-05-06
FR2064334B1 (en) 1974-09-20
BE757494A (en) 1971-03-16
GB1269608A (en) 1972-04-06
ES384489A1 (en) 1973-01-16
FR2064334A1 (en) 1971-07-23
NL7014867A (en) 1971-04-16
CH515973A (en) 1971-11-30
CA941823A (en) 1974-02-12

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