CH400417A - Verfahren zur Herstellung von Disazofarbstoffen - Google Patents

Verfahren zur Herstellung von Disazofarbstoffen

Info

Publication number
CH400417A
CH400417A CH398660A CH398660A CH400417A CH 400417 A CH400417 A CH 400417A CH 398660 A CH398660 A CH 398660A CH 398660 A CH398660 A CH 398660A CH 400417 A CH400417 A CH 400417A
Authority
CH
Switzerland
Prior art keywords
preparation
disazo dyes
disazo
dyes
Prior art date
Application number
CH398660A
Other languages
English (en)
Inventor
Walter Dr Wehrli
Carl Dr Ryffel
Hans Dr Ischer
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Priority to CH258865A priority Critical patent/CH487982A/de
Priority to CH398660A priority patent/CH400417A/de
Priority to CH1402064A priority patent/CH476808A/de
Priority to CH258965A priority patent/CH487977A/de
Priority to CH259065A priority patent/CH487978A/de
Priority to GB1270761A priority patent/GB977968A/en
Priority to FR858304A priority patent/FR1289701A/fr
Publication of CH400417A publication Critical patent/CH400417A/de

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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/08—Preparation of azo dyes from other azo compounds by reduction
    • C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
    • 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
    • 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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/002—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the linkage of the reactive group being alternatively specified
    • C09B62/006—Azodyes
    • C09B62/01—Disazo or polyazo dyes
    • 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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/002—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the linkage of the reactive group being alternatively specified
    • C09B62/006—Azodyes
    • C09B62/012—Metal complex azo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cosmetics (AREA)
  • Coloring (AREA)
CH398660A 1960-04-08 1960-04-08 Verfahren zur Herstellung von Disazofarbstoffen CH400417A (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH258865A CH487982A (de) 1960-04-08 1960-04-08 Verfahren zur Herstellung von Dis- und Polyazofarbstoffen
CH398660A CH400417A (de) 1960-04-08 1960-04-08 Verfahren zur Herstellung von Disazofarbstoffen
CH1402064A CH476808A (de) 1960-04-08 1960-04-08 Verfahren zur Herstellung von Dis- und Polyazofarbstoffen
CH258965A CH487977A (de) 1960-04-08 1960-04-08 Verfahren zur Herstellung von Dis- und Polyazofarbstoffen
CH259065A CH487978A (de) 1960-04-08 1960-04-08 Verfahren zur Herstellung von Dis- und Polyazofarbstoffen
GB1270761A GB977968A (en) 1960-04-08 1961-04-07 Improvements in or relating to disazo and polyazo dyestuffs derived from 1-naphthal-4,6-di-sulphonic acid
FR858304A FR1289701A (fr) 1960-04-08 1961-04-08 Colorants disazoïques et polyazoïques, leur fabrication et leurs applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH398660A CH400417A (de) 1960-04-08 1960-04-08 Verfahren zur Herstellung von Disazofarbstoffen

Publications (1)

Publication Number Publication Date
CH400417A true CH400417A (de) 1965-10-15

Family

ID=4267658

Family Applications (1)

Application Number Title Priority Date Filing Date
CH398660A CH400417A (de) 1960-04-08 1960-04-08 Verfahren zur Herstellung von Disazofarbstoffen

Country Status (2)

Country Link
CH (1) CH400417A (de)
GB (1) GB977968A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332310A1 (fr) * 1975-11-20 1977-06-17 Ici Ltd Solution aqueuse concentree de colorants azoiques et son utlisation pour la coloration de la pate a papier
EP0029950B1 (de) * 1979-11-29 1983-04-13 Bayer Ag Trisazofarbstoffe, Verfahren zu ihrer Herstellung und ihre Verwendung zum Färben von vegetabilischen Fasermaterialien und Leder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332310A1 (fr) * 1975-11-20 1977-06-17 Ici Ltd Solution aqueuse concentree de colorants azoiques et son utlisation pour la coloration de la pate a papier
EP0029950B1 (de) * 1979-11-29 1983-04-13 Bayer Ag Trisazofarbstoffe, Verfahren zu ihrer Herstellung und ihre Verwendung zum Färben von vegetabilischen Fasermaterialien und Leder
US4387050A (en) * 1979-11-29 1983-06-07 Bayer Aktiengesellschaft Polyazo dyestuffs, a process for their preparation and their use for dyeing vegetable fibre materials and leather

Also Published As

Publication number Publication date
GB977968A (en) 1964-12-16

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