BE804764A - PROCESS FOR PREPARING TETRAKISAZOIC DYES - Google Patents

PROCESS FOR PREPARING TETRAKISAZOIC DYES

Info

Publication number
BE804764A
BE804764A BE135576A BE135576A BE804764A BE 804764 A BE804764 A BE 804764A BE 135576 A BE135576 A BE 135576A BE 135576 A BE135576 A BE 135576A BE 804764 A BE804764 A BE 804764A
Authority
BE
Belgium
Prior art keywords
tetrakisazoic
dyes
preparing
tetrakisazoic dyes
preparing tetrakisazoic
Prior art date
Application number
BE135576A
Other languages
French (fr)
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 BE804764A publication Critical patent/BE804764A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/50—Tetrazo dyes
    • C09B35/60—Tetrazo dyes of the type
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • C09B41/004—Special methods of performing the coupling reaction characterised by the coupling medium containing a reaction assistant, e.g. urea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
  • Cosmetics (AREA)
  • Coloring (AREA)
BE135576A 1972-09-14 1973-09-12 PROCESS FOR PREPARING TETRAKISAZOIC DYES BE804764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722244991 DE2244991A1 (en) 1972-09-14 1972-09-14 PROCESS FOR THE MANUFACTURING OF TETRAKIS AZO DYES

Publications (1)

Publication Number Publication Date
BE804764A true BE804764A (en) 1974-03-12

Family

ID=5856249

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135576A BE804764A (en) 1972-09-14 1973-09-12 PROCESS FOR PREPARING TETRAKISAZOIC DYES

Country Status (11)

Country Link
JP (1) JPS4967916A (en)
AR (1) AR195939A1 (en)
BE (1) BE804764A (en)
BR (1) BR7307069D0 (en)
CH (1) CH577019A5 (en)
DE (1) DE2244991A1 (en)
ES (1) ES418732A1 (en)
FR (1) FR2200332B1 (en)
GB (1) GB1410856A (en)
IT (1) IT998595B (en)
NL (1) NL7312522A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122680A (en) * 1974-08-20 1976-02-23 Matsushita Electric Ind Co Ltd EKISHOSOSEI BUTSU
DE2903588A1 (en) * 1979-01-31 1980-08-14 Basf Ag POLYAZO DYES
US4668238A (en) * 1984-10-18 1987-05-26 Sandoz Ltd. The dyeing of leather with mixtures of trisazo and tetrakisazo compounds having 1-amino-8-hydroxynaphthalene-mono- or di-sulfonic acid biscoupling component radicals
DE19514880A1 (en) * 1995-04-22 1996-10-24 Cassella Ag Tetrakisazo compounds, their preparation and their use as dyes
CN106084876A (en) * 2016-08-12 2016-11-09 上海世渊环保科技有限公司 A kind of Direct fast light black G process for cleanly preparing and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901390A (en) * 1929-10-09 1933-03-14 Gen Aniline Works Inc Black azodyestuffs and process of making same
CH606317A5 (en) * 1970-12-24 1978-10-31 Bayer Ag

Also Published As

Publication number Publication date
IT998595B (en) 1976-02-20
CH577019A5 (en) 1976-06-30
FR2200332A1 (en) 1974-04-19
ES418732A1 (en) 1976-02-16
BR7307069D0 (en) 1974-07-18
DE2244991A1 (en) 1974-03-21
AR195939A1 (en) 1973-11-15
FR2200332B1 (en) 1977-08-05
JPS4967916A (en) 1974-07-02
GB1410856A (en) 1975-10-22
NL7312522A (en) 1974-03-18

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