ES474621A1 - Procedimiento para la obtencion de colorantes azoicos - Google Patents

Procedimiento para la obtencion de colorantes azoicos

Info

Publication number
ES474621A1
ES474621A1 ES474621A ES474621A ES474621A1 ES 474621 A1 ES474621 A1 ES 474621A1 ES 474621 A ES474621 A ES 474621A ES 474621 A ES474621 A ES 474621A ES 474621 A1 ES474621 A1 ES 474621A1
Authority
ES
Spain
Prior art keywords
denotes hydrogen
alkyl
chlorine
azo dyestuffs
sulpho
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
ES474621A
Other languages
English (en)
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 ES474621A1 publication Critical patent/ES474621A1/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
    • C09B35/463—D being derived from diaminodiphenyl

Landscapes

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

Abstract

Procedimiento para la obtención de colorantes azóicos que en forma del ácido libre corresponden a la fórmula **(Fórmula)** donde R1 significa hidrógeno, metilo ó cloro, R2 significa cloro, acetilamino, metoxi, etoxi, nitro o carboxi, R3 significa hidrógeno sulfo-C1-C2-alquilo, carboxi-C1-C2-alquilo ó C1-C4- alquilo, R4 significa hidrógeno o C1-C4-alquilo, R5 significa hidrógeno o acilo y R6 significa hidrógeno, metilo, metoxi, etoxi, cloro, carboxi, nitro o sulfo.
ES474621A 1977-10-29 1978-10-27 Procedimiento para la obtencion de colorantes azoicos Expired ES474621A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772748719 DE2748719A1 (de) 1977-10-29 1977-10-29 Azofarbstoffe

Publications (1)

Publication Number Publication Date
ES474621A1 true ES474621A1 (es) 1979-03-16

Family

ID=6022668

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474621A Expired ES474621A1 (es) 1977-10-29 1978-10-27 Procedimiento para la obtencion de colorantes azoicos

Country Status (9)

Country Link
US (1) US4265813A (es)
JP (1) JPS5471118A (es)
BE (1) BE871597A (es)
BR (1) BR7807098A (es)
DE (1) DE2748719A1 (es)
ES (1) ES474621A1 (es)
FR (1) FR2407243A1 (es)
GB (1) GB2007700B (es)
IT (1) IT7829190A0 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2828132A1 (de) * 1978-06-27 1980-01-10 Bayer Ag Trisazofarbstoffe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB667225A (en) * 1948-11-12 1952-02-27 Geigy Ag J R Process for the production of black leather dyestuffs
ES402367A1 (es) * 1971-05-05 1975-03-16 Bayer Ag Procedimiento para la obtencion de colorantes poliazoicos.

Also Published As

Publication number Publication date
GB2007700A (en) 1979-05-23
BE871597A (fr) 1979-04-27
FR2407243A1 (fr) 1979-05-25
GB2007700B (en) 1982-08-25
US4265813A (en) 1981-05-05
BR7807098A (pt) 1979-05-15
DE2748719A1 (de) 1979-05-03
IT7829190A0 (it) 1978-10-27
JPS5471118A (en) 1979-06-07

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