CH470454A - 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
CH470454A
CH470454A CH1468366A CH1468366A CH470454A CH 470454 A CH470454 A CH 470454A CH 1468366 A CH1468366 A CH 1468366A CH 1468366 A CH1468366 A CH 1468366A CH 470454 A CH470454 A CH 470454A
Authority
CH
Switzerland
Prior art keywords
preparation
sulfonic acid
acid group
azo dyes
free azo
Prior art date
Application number
CH1468366A
Other languages
German (de)
Inventor
Gerhard Dr Wolfrum
Heinrich Dr Gold
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 CH470454A publication Critical patent/CH470454A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/04—1,2,3-Triazoles; Hydrogenated 1,2,3-triazoles
    • 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
    • C09B44/04—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group from coupling components containing amino as the only directing group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH1468366A 1965-11-08 1966-10-12 Process for the preparation of sulfonic acid group-free azo dyes CH470454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0047620 1965-11-08

Publications (1)

Publication Number Publication Date
CH470454A true CH470454A (en) 1969-03-31

Family

ID=7101737

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1468366A CH470454A (en) 1965-11-08 1966-10-12 Process for the preparation of sulfonic acid group-free azo dyes

Country Status (5)

Country Link
BE (1) BE689376A (en)
CH (1) CH470454A (en)
FR (1) FR1501201A (en)
GB (1) GB1111236A (en)
NL (1) NL6615633A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2355076A1 (en) * 1973-11-03 1975-05-07 Bayer Ag CATIONIC COLORS
EP0055221A3 (en) * 1980-12-24 1983-06-15 Ciba-Geigy Ag Monocationic dyestuff salts

Also Published As

Publication number Publication date
FR1501201A (en) 1967-11-10
NL6615633A (en) 1967-05-09
DE1544600A1 (en) 1970-11-26
GB1111236A (en) 1968-04-24
BE689376A (en) 1967-04-14

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Legal Events

Date Code Title Description
PL Patent ceased