CH491999A - Process for the production of azo dyes - Google Patents

Process for the production of azo dyes

Info

Publication number
CH491999A
CH491999A CH1618667A CH1618667A CH491999A CH 491999 A CH491999 A CH 491999A CH 1618667 A CH1618667 A CH 1618667A CH 1618667 A CH1618667 A CH 1618667A CH 491999 A CH491999 A CH 491999A
Authority
CH
Switzerland
Prior art keywords
production
azo dyes
azo
dyes
Prior art date
Application number
CH1618667A
Other languages
German (de)
Inventor
Horst Dr Nickel
Fritz Dr Suckfuell
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 CH491999A publication Critical patent/CH491999A/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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/002—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the linkage of the reactive group being alternatively specified
    • C09B62/006—Azodyes
    • 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/021—Disazo dyes characterised by two coupling components of the same type
    • C09B35/027—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy-amino compound
    • 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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/002—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the linkage of the reactive group being alternatively specified
    • C09B62/006—Azodyes
    • C09B62/0064—Azodyes with coupling components containing both hydroxyl and amino groups as directing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Plural Heterocyclic Compounds (AREA)
CH1618667A 1967-01-05 1967-11-20 Process for the production of azo dyes CH491999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0051185 1967-01-05

Publications (1)

Publication Number Publication Date
CH491999A true CH491999A (en) 1970-06-15

Family

ID=7104406

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1618667A CH491999A (en) 1967-01-05 1967-11-20 Process for the production of azo dyes

Country Status (6)

Country Link
BE (1) BE708988A (en)
CH (1) CH491999A (en)
DE (1) DE1644189C3 (en)
FR (1) FR1550030A (en)
GB (1) GB1199243A (en)
NL (1) NL6717838A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1769166A1 (en) * 1968-04-16 1971-09-23 Bayer Ag Azo dyes and process for their preparation
DE1937361A1 (en) * 1969-07-23 1971-04-08 Bayer Ag Azo dyes
CH551643A (en) * 1970-05-05 1974-07-15 Ciba Geigy Ag PHOTOGRAPHIC MATERIAL.
CH582736A5 (en) * 1973-01-08 1976-12-15 Sandoz Ag
GB1557205A (en) * 1976-03-30 1979-12-05 Ici Ltd Benzene-azo naphthalene monoazo dyes containing sulphonamide groups
DE3164291D1 (en) * 1980-04-30 1984-07-26 Ciba Geigy Ag Azo dyestuffs, methods for their preparation and their use as colouring agents in photographic materials in the silver dyestuff bleaching process, and the said photographic materials containing these azo dyestuffs
CH654845A5 (en) * 1982-08-06 1986-03-14 Sandoz Ag ANIONIC MONOAZO COMPOUNDS, METHOD FOR THE PRODUCTION AND THEIR USE IN COLORING AND PRINTING METHODS.
US4618674A (en) * 1983-12-30 1986-10-21 Dellian Kurt A Red-1-(cyanophenylazo- or cyano, halophenylazo)-2-amino-8-hydroxynaphthalene-6 sulfonic acid dyestuffs
DE19521195A1 (en) * 1994-06-21 1996-01-04 Sandoz Ag Acidic mono:azo dye and salt thereof
EP1345992B1 (en) 2000-12-28 2006-07-05 Ciba SC Holding AG Disazo dyes, and copper complexes thereof, for dyeing paper

Also Published As

Publication number Publication date
DE1644189A1 (en) 1971-07-15
FR1550030A (en) 1968-12-13
DE1644189C3 (en) 1975-10-09
BE708988A (en) 1968-05-16
NL6717838A (en) 1968-07-08
GB1199243A (en) 1970-07-15
DE1644189B2 (en) 1975-02-20

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Legal Events

Date Code Title Description
PL Patent ceased