FR1021520A - Trisazo dyes and process for their preparation - Google Patents

Trisazo dyes and process for their preparation

Info

Publication number
FR1021520A
FR1021520A FR1021520DA FR1021520A FR 1021520 A FR1021520 A FR 1021520A FR 1021520D A FR1021520D A FR 1021520DA FR 1021520 A FR1021520 A FR 1021520A
Authority
FR
France
Prior art keywords
preparation
trisazo dyes
trisazo
dyes
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
Other languages
French (fr)
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1021520A publication Critical patent/FR1021520A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type
    • C09B35/40—Trisazo dyes ot the type the component K being a dihydroxy or polyhydroxy compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
FR1021520D 1949-07-20 1950-07-05 Trisazo dyes and process for their preparation Expired FR1021520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1021520X 1949-07-20

Publications (1)

Publication Number Publication Date
FR1021520A true FR1021520A (en) 1953-02-19

Family

ID=4553059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1021520D Expired FR1021520A (en) 1949-07-20 1950-07-05 Trisazo dyes and process for their preparation

Country Status (3)

Country Link
DE (1) DE849287C (en)
FR (1) FR1021520A (en)
GB (1) GB682024A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1007324B (en) * 1974-02-11 1976-10-30 Acna WATER-SOLUBLE AZO DYES DERIVED FROM 4.4 DIAMINOBENZANILIDE

Also Published As

Publication number Publication date
DE849287C (en) 1952-09-15
GB682024A (en) 1952-11-05

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