ES8304185A1 - Procedimiento para la obtencion de colorantes trisazoicos. - Google Patents

Procedimiento para la obtencion de colorantes trisazoicos.

Info

Publication number
ES8304185A1
ES8304185A1 ES512013A ES512013A ES8304185A1 ES 8304185 A1 ES8304185 A1 ES 8304185A1 ES 512013 A ES512013 A ES 512013A ES 512013 A ES512013 A ES 512013A ES 8304185 A1 ES8304185 A1 ES 8304185A1
Authority
ES
Spain
Prior art keywords
groups
tris
azo dyestuffs
cation
carboxyl
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
ES512013A
Other languages
English (en)
Other versions
ES512013A0 (es
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.)
Bayer AG
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 ES512013A0 publication Critical patent/ES512013A0/es
Publication of ES8304185A1 publication Critical patent/ES8304185A1/es
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
    • C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine
    • C09B35/46—Trisazo dyes ot the type the component K being a hydroxy amine the component K being an amino naphthol
    • C09B35/461—D being derived from diaminobenzene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE COLORANTES TRISAZOICOS, DE FORMULA (I), EN LA QUE A ES FENILENO, B PUEDE SER VARIOS RADICALES DERIVADOS DEL FENILENO; Y M ES HIDROGENO O UN CATION. CONSISTE EN LA REACCION DE DIAZOTACION DE UN COMPUESTO DE FORMULA (II), EN LA QUE A, B Y M TIENEN EL MISMO SIGNIFICADO QUE EN LA FORMULA (I); SEGUIDA DE LA COPULACION CON NAFTILAMINA-L. LA REACCION SE LLEVA A CABO EN UN DISOLVENTE ORGANICO O ACUOSO-ORGANICO A PH Y TEMPERATURA NO CRITICOS. ESTOS COMPUESTOS TIENEN APLICACIONES PARA EL TEÑIDO DE CELULOSA, POLIAMIDAS, POLIURETANOS, PAPEL Y CUERO.
ES512013A 1981-05-08 1982-05-07 Procedimiento para la obtencion de colorantes trisazoicos. Expired ES8304185A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813118201 DE3118201A1 (de) 1981-05-08 1981-05-08 Trisazofarbstoffe

Publications (2)

Publication Number Publication Date
ES512013A0 ES512013A0 (es) 1983-02-16
ES8304185A1 true ES8304185A1 (es) 1983-02-16

Family

ID=6131752

Family Applications (1)

Application Number Title Priority Date Filing Date
ES512013A Expired ES8304185A1 (es) 1981-05-08 1982-05-07 Procedimiento para la obtencion de colorantes trisazoicos.

Country Status (5)

Country Link
EP (1) EP0065130B1 (es)
JP (1) JPS57187360A (es)
BR (1) BR8202638A (es)
DE (2) DE3118201A1 (es)
ES (1) ES8304185A1 (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1440088A (en) * 1972-09-26 1976-06-23 Sandoz Ltd Trisazo dyes
CH588535A5 (es) * 1974-06-17 1977-06-15 Sandoz Ag

Also Published As

Publication number Publication date
EP0065130A1 (de) 1982-11-24
BR8202638A (pt) 1983-04-19
EP0065130B1 (de) 1984-07-18
DE3260399D1 (de) 1984-08-23
ES512013A0 (es) 1983-02-16
JPS57187360A (en) 1982-11-18
DE3118201A1 (de) 1982-12-09

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