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ES474135A1 - Procedimiento para la obtencion de colorantes azoicos. - Google Patents

Procedimiento para la obtencion de colorantes azoicos.

Info

Publication number
ES474135A1
ES474135A1 ES474135A ES474135A ES474135A1 ES 474135 A1 ES474135 A1 ES 474135A1 ES 474135 A ES474135 A ES 474135A ES 474135 A ES474135 A ES 474135A ES 474135 A1 ES474135 A1 ES 474135A1
Authority
ES
Spain
Prior art keywords
dyestuffs
image
disazo
polyazo dyestuffs
polyazo
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
ES474135A
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 ES474135A1 publication Critical patent/ES474135A1/es
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • 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
    • 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
    • C09B56/00—Azo dyes containing other chromophoric systems
    • C09B56/04—Stilbene-azo dyes

Landscapes

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

Abstract

Procedimiento para la obtención de colorantes azoicos que en forma del ácido libre corresponden a la fórmula (*ver fórmula 1) donde R significa hidrógeno, metilo, etilo, metoxi, etoxi o cloro, n representa 0 ó 1, K significa, en el caso de que m sea un número entero de 1 hasta 10 el resto de un componente de copulación, en el caso de que m sea I, sin embargo, un resto de fórmula (*ver fórmula 2) donde q es 0, 1 ó 2 y m representa un número de 0 hasta 10, donde el segundo grupo carbamoilo en el núcleo bencénico R- sustituido se encuentra en la posición m ó p con respecto al primer grupo carbamoilo.
ES474135A 1977-10-12 1978-10-11 Procedimiento para la obtencion de colorantes azoicos. Expired ES474135A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772745777 DE2745777A1 (de) 1977-10-12 1977-10-12 Dis- und polyazofarbstofffe

Publications (1)

Publication Number Publication Date
ES474135A1 true ES474135A1 (es) 1979-05-01

Family

ID=6021213

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474135A Expired ES474135A1 (es) 1977-10-12 1978-10-11 Procedimiento para la obtencion de colorantes azoicos.

Country Status (9)

Country Link
US (1) US4254025A (es)
JP (1) JPS5463131A (es)
BE (1) BE871160A (es)
BR (1) BR7806719A (es)
DE (1) DE2745777A1 (es)
ES (1) ES474135A1 (es)
FR (1) FR2405979A1 (es)
GB (1) GB2006250B (es)
IT (1) IT7828597A0 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6099635A (en) * 1999-04-09 2000-08-08 Lonza Ag Acetoacetylated suspensions in pigment applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE101917C (es) *
GB628760A (en) * 1946-08-23 1949-09-05 Technicolor Motion Picture Improvements in disazo dyes
US4055559A (en) * 1971-09-10 1977-10-25 Ciba-Geigy Corporation Disazo pigment containing at least 2 chlorine atoms and process for their manufacture
US4169832A (en) * 1975-09-05 1979-10-02 Sandoz Ltd. Disazo and trisazo intermediates for polyazo dyes containing a stilbenyl or 2,2'-disulfostilbenyl radical
CH619477A5 (es) * 1976-08-02 1980-09-30 Sandoz Ag

Also Published As

Publication number Publication date
FR2405979A1 (fr) 1979-05-11
DE2745777A1 (de) 1979-04-26
BE871160A (fr) 1979-04-11
GB2006250B (en) 1982-03-03
IT7828597A0 (it) 1978-10-10
BR7806719A (pt) 1979-05-08
GB2006250A (en) 1979-05-02
JPS5463131A (en) 1979-05-21
US4254025A (en) 1981-03-03

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