CH506593A - Process for the preparation of sulfonic acid group-free azo dyes - Google Patents

Process for the preparation of sulfonic acid group-free azo dyes

Info

Publication number
CH506593A
CH506593A CH274369A CH274369A CH506593A CH 506593 A CH506593 A CH 506593A CH 274369 A CH274369 A CH 274369A CH 274369 A CH274369 A CH 274369A CH 506593 A CH506593 A CH 506593A
Authority
CH
Switzerland
Prior art keywords
preparation
sulfonic acid
acid group
azo dyes
free azo
Prior art date
Application number
CH274369A
Other languages
German (de)
Inventor
Dietmar Dr Kalz
Gerhard Dr Wolfrum
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 CH506593A publication Critical patent/CH506593A/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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/02—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group
    • 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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/02—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group
    • C09B44/08—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group from coupling components containing heterocyclic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Plural Heterocyclic Compounds (AREA)
CH274369A 1968-03-21 1969-02-24 Process for the preparation of sulfonic acid group-free azo dyes CH506593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681769018 DE1769018A1 (en) 1968-03-21 1968-03-21 Azo dyes and process for their preparation

Publications (1)

Publication Number Publication Date
CH506593A true CH506593A (en) 1971-04-30

Family

ID=5699950

Family Applications (1)

Application Number Title Priority Date Filing Date
CH274369A CH506593A (en) 1968-03-21 1969-02-24 Process for the preparation of sulfonic acid group-free azo dyes

Country Status (7)

Country Link
AT (1) AT284289B (en)
BE (1) BE730214A (en)
CH (1) CH506593A (en)
DE (1) DE1769018A1 (en)
FR (1) FR2004453B1 (en)
GB (1) GB1240243A (en)
NL (1) NL6904321A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843873A1 (en) * 1978-10-07 1980-04-17 Basf Ag AZO CONNECTIONS
GB8607294D0 (en) * 1985-04-17 1986-04-30 Ici America Inc Heterocyclic amide derivatives
US5179112A (en) * 1985-04-17 1993-01-12 Ici Americas Inc. Heterocyclic amide derivatives and pharmaceutical use

Also Published As

Publication number Publication date
GB1240243A (en) 1971-07-21
FR2004453B1 (en) 1973-04-06
NL6904321A (en) 1969-09-23
BE730214A (en) 1969-09-01
DE1769018A1 (en) 1971-06-09
AT284289B (en) 1970-09-10
FR2004453A1 (en) 1969-11-21

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Legal Events

Date Code Title Description
PL Patent ceased