AT295686B - Process for the preparation of new disazo dyes containing sulfonic acid groups - Google Patents

Process for the preparation of new disazo dyes containing sulfonic acid groups

Info

Publication number
AT295686B
AT295686B AT1006070A AT1006070A AT295686B AT 295686 B AT295686 B AT 295686B AT 1006070 A AT1006070 A AT 1006070A AT 1006070 A AT1006070 A AT 1006070A AT 295686 B AT295686 B AT 295686B
Authority
AT
Austria
Prior art keywords
preparation
sulfonic acid
acid groups
containing sulfonic
dyes containing
Prior art date
Application number
AT1006070A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT295686B publication Critical patent/AT295686B/en

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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/04—Disazo dyes from a coupling component "C" containing a directive amino group
    • C09B31/053—Amino naphthalenes
    • C09B31/057—Amino naphthalenes containing acid groups, e.g. —CO2H, —SO3H, —PO3H2, —OSO3H, —OPO2H2; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
AT1006070A 1969-12-04 1970-11-09 Process for the preparation of new disazo dyes containing sulfonic acid groups AT295686B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691960818 DE1960818A1 (en) 1969-12-04 1969-12-04 Disazo dyes

Publications (1)

Publication Number Publication Date
AT295686B true AT295686B (en) 1972-01-10

Family

ID=5752938

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1006070A AT295686B (en) 1969-12-04 1970-11-09 Process for the preparation of new disazo dyes containing sulfonic acid groups

Country Status (7)

Country Link
AT (1) AT295686B (en)
BE (1) BE759868A (en)
CA (1) CA958702A (en)
DE (1) DE1960818A1 (en)
FR (1) FR2070735A1 (en)
GB (1) GB1265428A (en)
NL (1) NL7017772A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0524149B1 (en) * 1991-07-19 1998-10-21 Ciba Specialty Chemicals Holding Inc. Azo dyes, method for their preparation and their use
DE102007033386B4 (en) 2007-06-12 2015-07-02 Ritag Ritterhuder Armaturen Gmbh & Co. Armaturenwerk Kg Protective cabinet for the safe removal of samples

Also Published As

Publication number Publication date
DE1960818A1 (en) 1971-06-09
NL7017772A (en) 1971-06-08
FR2070735A1 (en) 1971-09-17
BE759868A (en) 1971-05-17
CA958702A (en) 1974-12-03
GB1265428A (en) 1972-03-01

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