BE757494A - NEW DISAZOIC COLORANTS FREE OF SULPHONIC AND CARBOXYL ACID GROUPS AND THEIR PREPARATION PROCESS - Google Patents

NEW DISAZOIC COLORANTS FREE OF SULPHONIC AND CARBOXYL ACID GROUPS AND THEIR PREPARATION PROCESS

Info

Publication number
BE757494A
BE757494A BE757494DA BE757494A BE 757494 A BE757494 A BE 757494A BE 757494D A BE757494D A BE 757494DA BE 757494 A BE757494 A BE 757494A
Authority
BE
Belgium
Prior art keywords
disazoic
sulphonic
colorants
free
new
Prior art date
Application number
Other languages
French (fr)
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.)
Publication date
Publication of BE757494A publication Critical patent/BE757494A/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)
BE757494D 1969-10-14 NEW DISAZOIC COLORANTS FREE OF SULPHONIC AND CARBOXYL ACID GROUPS AND THEIR PREPARATION PROCESS BE757494A (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
BE757494A true BE757494A (en) 1971-03-16

Family

ID=5748092

Family Applications (1)

Application Number Title Priority Date Filing Date
BE757494D BE757494A (en) 1969-10-14 NEW DISAZOIC COLORANTS FREE OF SULPHONIC AND CARBOXYL ACID GROUPS AND THEIR PREPARATION PROCESS

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
FR2064334A1 (en) 1971-07-23
AT295685B (en) 1972-01-10
FR2064334B1 (en) 1974-09-20
DE1951634A1 (en) 1971-05-06
CA941823A (en) 1974-02-12
NL7014867A (en) 1971-04-16
GB1269608A (en) 1972-04-06
ES384489A1 (en) 1973-01-16
CH515973A (en) 1971-11-30

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