GB1246824A - Disazo dyestuffs containing cyano groups - Google Patents

Disazo dyestuffs containing cyano groups

Info

Publication number
GB1246824A
GB1246824A GB4651768A GB4651768A GB1246824A GB 1246824 A GB1246824 A GB 1246824A GB 4651768 A GB4651768 A GB 4651768A GB 4651768 A GB4651768 A GB 4651768A GB 1246824 A GB1246824 A GB 1246824A
Authority
GB
United Kingdom
Prior art keywords
cyano
groups
dyes
free
radical
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4651768A
Other languages
English (en)
Inventor
Alois Gottschlich
Klaus Leverenz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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 GB1246824A publication Critical patent/GB1246824A/en
Expired legal-status Critical Current

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)
GB4651768A 1967-10-10 1968-10-01 Disazo dyestuffs containing cyano groups Expired GB1246824A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1246824A true GB1246824A (en) 1971-09-22

Family

ID=7106554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4651768A Expired GB1246824A (en) 1967-10-10 1968-10-01 Disazo dyestuffs containing cyano groups

Country Status (5)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310745C3 (de) * 1973-03-03 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azoverbindungen
GB1578731A (en) * 1976-05-28 1980-11-05 Ici Ltd Process for the manufacture of cyano azo dyes
DE2834054A1 (de) * 1978-08-03 1980-02-21 Cassella Ag Wasserunloesliche disazofarbstoffe, ihre herstellung und verwendung
DE3010104A1 (de) 1980-03-15 1981-10-01 Basf Ag, 6700 Ludwigshafen Aminoazoverbindungen

Also Published As

Publication number Publication date
DE1644229A1 (de) 1971-05-06
CH503783A (de) 1971-02-28
FR1584932A (fr) 1970-01-02
NL6814524A (fr) 1969-04-14
DE1644229B2 (de) 1976-03-25
BE722046A (fr) 1969-03-14

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