IT998595B - Procedimento per la preparazione di coloranti tetrakisazoici - Google Patents

Procedimento per la preparazione di coloranti tetrakisazoici

Info

Publication number
IT998595B
IT998595B IT2886073A IT2886073A IT998595B IT 998595 B IT998595 B IT 998595B IT 2886073 A IT2886073 A IT 2886073A IT 2886073 A IT2886073 A IT 2886073A IT 998595 B IT998595 B IT 998595B
Authority
IT
Italy
Prior art keywords
tetrakisazoic
dyes
procedure
preparation
tetrakisazoic dyes
Prior art date
Application number
IT2886073A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT998595B publication Critical patent/IT998595B/it

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)
  • Cosmetics (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
IT2886073A 1972-09-14 1973-09-12 Procedimento per la preparazione di coloranti tetrakisazoici IT998595B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722244991 DE2244991A1 (de) 1972-09-14 1972-09-14 Verfahren zur herstellung von tetrakisazofarbstoffen

Publications (1)

Publication Number Publication Date
IT998595B true IT998595B (it) 1976-02-20

Family

ID=5856249

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2886073A IT998595B (it) 1972-09-14 1973-09-12 Procedimento per la preparazione di coloranti tetrakisazoici

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122680A (ja) * 1974-08-20 1976-02-23 Matsushita Electric Ind Co Ltd Ekishososeibutsu
DE2903588A1 (de) * 1979-01-31 1980-08-14 Basf Ag Polyazofarbstoffe
CH666046A5 (de) * 1984-10-18 1988-06-30 Sandoz Ag Gemische von wasserloeslichen azofarbstoffen.
DE19514880A1 (de) * 1995-04-22 1996-10-24 Cassella Ag Tetrakisazoverbindungen, ihre Herstellung und ihre Verwendung als Farbstoffe
CN106084876A (zh) * 2016-08-12 2016-11-09 上海世渊环保科技有限公司 一种直接耐晒黑g清洁生产工艺及系统

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
CH596262A5 (xx) * 1970-12-24 1978-03-15 Bayer Ag

Also Published As

Publication number Publication date
BE804764A (fr) 1974-03-12
CH577019A5 (xx) 1976-06-30
JPS4967916A (xx) 1974-07-02
ES418732A1 (es) 1976-02-16
AR195939A1 (es) 1973-11-15
BR7307069D0 (pt) 1974-07-18
DE2244991A1 (de) 1974-03-21
NL7312522A (xx) 1974-03-18
FR2200332A1 (xx) 1974-04-19
GB1410856A (en) 1975-10-22
FR2200332B1 (xx) 1977-08-05

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