CH335547A - Verfahren zur Herstellung eines braunen Tetrakisazofarbstoffes - Google Patents

Verfahren zur Herstellung eines braunen Tetrakisazofarbstoffes

Info

Publication number
CH335547A
CH335547A CH335547DA CH335547A CH 335547 A CH335547 A CH 335547A CH 335547D A CH335547D A CH 335547DA CH 335547 A CH335547 A CH 335547A
Authority
CH
Switzerland
Prior art keywords
brown
preparation
tetrakisazo dye
tetrakisazo
dye
Prior art date
Application number
Other languages
English (en)
Inventor
Hermann Dr Goebel
Eugen Dr Glietenberg
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 CH335547A publication Critical patent/CH335547A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24—Disazo or polyazo compounds
    • C09B45/32—Disazo or polyazo compounds containing other metals
    • 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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/18—Trisazo or higher polyazo dyes
    • C09B33/30—Tetrazo dyes of the type
    • 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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24—Disazo or polyazo compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH335547D 1954-02-13 1955-01-19 Verfahren zur Herstellung eines braunen Tetrakisazofarbstoffes CH335547A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE335547X 1954-02-13

Publications (1)

Publication Number Publication Date
CH335547A true CH335547A (de) 1959-01-15

Family

ID=6219418

Family Applications (1)

Application Number Title Priority Date Filing Date
CH335547D CH335547A (de) 1954-02-13 1955-01-19 Verfahren zur Herstellung eines braunen Tetrakisazofarbstoffes

Country Status (4)

Country Link
US (1) US2830979A (de)
CH (1) CH335547A (de)
FR (1) FR1118699A (de)
GB (1) GB764051A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189593A (en) * 1962-02-28 1965-06-15 Sandoz Ltd Polyazo dyes
DE3212240A1 (de) * 1982-04-02 1983-10-06 Basf Ag Dis- und trisazofarbstoffe
US4988804A (en) * 1987-11-10 1991-01-29 Ciba-Geigy Corporation Polyazo dyes obtained by successive coupling of H-acid and two further anilinic diazo components on resorcinol or the like
DE3883361D1 (de) * 1987-12-16 1993-09-23 Ciba Geigy Ag Verfahren zur herstellung von polyazofarbstoffen.
ES2149678B1 (es) 1997-03-06 2001-05-16 Ciba Sc Holding Ag Estabilizacion de policarbonatos, poliesteres y policetonas.
TWI231820B (en) * 1999-03-11 2005-05-01 Ciba Sc Holding Ag Azo dyes, their preparation and their use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE22046E (en) * 1942-03-10 Azo dyesttjffs containing a heavy
US1697122A (en) * 1924-12-16 1929-01-01 Grasselli Dyestuff Corp Polyazo dyes derived from tetrazotized halogenated 4.4'-diaminodiphenyl-methanes
CH116360A (de) * 1926-08-16 1926-08-16 Hoechst Ag Verfahren zur Darstellung eines schokoladebraunen Trisazofarbstoffes zum Färben von Leder.
US2139472A (en) * 1935-10-25 1938-12-06 Gen Aniline Works Inc Azo dyestuffs

Also Published As

Publication number Publication date
US2830979A (en) 1958-04-15
GB764051A (en) 1956-12-19
FR1118699A (fr) 1956-06-08

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