IT1010466B - AZO DYES - Google Patents

AZO DYES

Info

Publication number
IT1010466B
IT1010466B IT2237074A IT2237074A IT1010466B IT 1010466 B IT1010466 B IT 1010466B IT 2237074 A IT2237074 A IT 2237074A IT 2237074 A IT2237074 A IT 2237074A IT 1010466 B IT1010466 B IT 1010466B
Authority
IT
Italy
Prior art keywords
azo dyes
azo
dyes
Prior art date
Application number
IT2237074A
Other languages
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
Priority claimed from DE19732323392 external-priority patent/DE2323392A1/en
Priority claimed from DE19732325088 external-priority patent/DE2325088C3/en
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1010466B publication Critical patent/IT1010466B/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
    • C09B33/056—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound the coupling component being a bis-(naphthol-urea)
    • 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
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/14—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with phosgene or thiophosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT2237074A 1973-05-09 1974-05-07 AZO DYES IT1010466B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732323392 DE2323392A1 (en) 1973-05-09 1973-05-09 Azo dyes for paper - prepd by diazo coupling of an aniline sulphonic acid with a substd naphthalene sulphonic acid
DE19732325088 DE2325088C3 (en) 1973-05-17 1973-05-17 Azo dyes and their use for coloring paper and vegetable materials

Publications (1)

Publication Number Publication Date
IT1010466B true IT1010466B (en) 1977-01-10

Family

ID=25765101

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2237074A IT1010466B (en) 1973-05-09 1974-05-07 AZO DYES

Country Status (8)

Country Link
JP (1) JPS5015816A (en)
BR (1) BR7403735D0 (en)
CH (1) CH575983A5 (en)
ES (1) ES426093A1 (en)
FR (1) FR2228820B1 (en)
GB (1) GB1426982A (en)
IT (1) IT1010466B (en)
NL (1) NL7406068A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002062A1 (en) * 1980-01-21 1981-07-23 Cassella Ag, 6000 Frankfurt WATER-SOLUBLE DISAZO DYES, THEIR PRODUCTION AND USE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH480422A (en) * 1967-07-13 1969-10-31 Sandoz Ag Concentrated, liquid preparation

Also Published As

Publication number Publication date
NL7406068A (en) 1974-11-12
FR2228820B1 (en) 1977-10-21
GB1426982A (en) 1976-03-03
BR7403735D0 (en) 1974-12-03
ES426093A1 (en) 1976-07-01
JPS5015816A (en) 1975-02-19
CH575983A5 (en) 1976-05-31
FR2228820A1 (en) 1974-12-06

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