CH479678A - Process for the production of azo dyes - Google Patents

Process for the production of azo dyes

Info

Publication number
CH479678A
CH479678A CH1147368A CH1147368A CH479678A CH 479678 A CH479678 A CH 479678A CH 1147368 A CH1147368 A CH 1147368A CH 1147368 A CH1147368 A CH 1147368A CH 479678 A CH479678 A CH 479678A
Authority
CH
Switzerland
Prior art keywords
production
azo dyes
azo
dyes
Prior art date
Application number
CH1147368A
Other languages
German (de)
Inventor
Winfried Dr Kruckenberg
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 CH479678A publication Critical patent/CH479678A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08—Amino benzenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH1147368A 1966-11-28 1967-10-26 Process for the production of azo dyes CH479678A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF0050785 1966-11-28
CH1497567 1967-10-26

Publications (1)

Publication Number Publication Date
CH479678A true CH479678A (en) 1969-10-15

Family

ID=25715510

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1147368A CH479678A (en) 1966-11-28 1967-10-26 Process for the production of azo dyes

Country Status (1)

Country Link
CH (1) CH479678A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5428138A (en) * 1989-04-06 1995-06-27 Cassella Ag Red 2,6-dicyanophenylazo dyes and the preparation and use thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5428138A (en) * 1989-04-06 1995-06-27 Cassella Ag Red 2,6-dicyanophenylazo dyes and the preparation and use thereof

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Legal Events

Date Code Title Description
PL Patent ceased