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CH503783A - Process for the preparation of disazo dyes containing cyano groups - Google Patents

Process for the preparation of disazo dyes containing cyano groups

Info

Publication number
CH503783A
CH503783A CH1387668A CH1387668A CH503783A CH 503783 A CH503783 A CH 503783A CH 1387668 A CH1387668 A CH 1387668A CH 1387668 A CH1387668 A CH 1387668A CH 503783 A CH503783 A CH 503783A
Authority
CH
Switzerland
Prior art keywords
preparation
cyano groups
dyes containing
disazo dyes
containing cyano
Prior art date
Application number
CH1387668A
Other languages
German (de)
Inventor
Alois Dr Gottschlich
Klaus Dr Leverenz
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 CH503783A publication Critical patent/CH503783A/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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/40—Preparation of azo dyes from other azo compounds by substituting hetero atoms by radicals containing other hetero atoms
    • C09B43/42—Preparation of azo dyes from other azo compounds by substituting hetero atoms by radicals containing other hetero atoms by substituting radicals containing hetero atoms for —CN radicals
    • 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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH1387668A 1967-10-10 1968-09-16 Process for the preparation of disazo dyes containing cyano groups CH503783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0053720 1967-10-10

Publications (1)

Publication Number Publication Date
CH503783A true CH503783A (en) 1971-02-28

Family

ID=7106554

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1387668A CH503783A (en) 1967-10-10 1968-09-16 Process for the preparation of disazo dyes containing cyano groups

Country Status (5)

Country Link
BE (1) BE722046A (en)
CH (1) CH503783A (en)
FR (1) FR1584932A (en)
GB (1) GB1246824A (en)
NL (1) NL6814524A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310745C3 (en) * 1973-03-03 1981-11-05 Bayer Ag, 5090 Leverkusen Process for the preparation of azo compounds
GB1578731A (en) * 1976-05-28 1980-11-05 Ici Ltd Process for the manufacture of cyano azo dyes
DE2834054A1 (en) * 1978-08-03 1980-02-21 Cassella Ag WATER-INSOLUBLE DISAZO DYES, THEIR PRODUCTION AND USE
DE3010104A1 (en) 1980-03-15 1981-10-01 Basf Ag, 6700 Ludwigshafen AMINOAZO CONNECTIONS

Also Published As

Publication number Publication date
DE1644229B2 (en) 1976-03-25
NL6814524A (en) 1969-04-14
FR1584932A (en) 1970-01-02
BE722046A (en) 1969-03-14
DE1644229A1 (en) 1971-05-06
GB1246824A (en) 1971-09-22

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Legal Events

Date Code Title Description
PL Patent ceased