CH236585A - Process for the preparation of a water-soluble disazo dye. - Google Patents

Process for the preparation of a water-soluble disazo dye.

Info

Publication number
CH236585A
CH236585A CH236585DA CH236585A CH 236585 A CH236585 A CH 236585A CH 236585D A CH236585D A CH 236585DA CH 236585 A CH236585 A CH 236585A
Authority
CH
Switzerland
Prior art keywords
preparation
water
disazo dye
soluble disazo
soluble
Prior art date
Application number
Other languages
German (de)
Inventor
Ag J R Geigy
Original Assignee
Ag J R Geigy
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 Ag J R Geigy filed Critical Ag J R Geigy
Publication of CH236585A publication Critical patent/CH236585A/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)
CH236585D 1942-12-23 1942-12-23 Process for the preparation of a water-soluble disazo dye. CH236585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH236585T 1942-12-23

Publications (1)

Publication Number Publication Date
CH236585A true CH236585A (en) 1945-02-28

Family

ID=4459529

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236585D CH236585A (en) 1942-12-23 1942-12-23 Process for the preparation of a water-soluble disazo dye.

Country Status (1)

Country Link
CH (1) CH236585A (en)

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