FR852475A - Naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these various substances - Google Patents

Naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these various substances

Info

Publication number
FR852475A
FR852475A FR852475DA FR852475A FR 852475 A FR852475 A FR 852475A FR 852475D A FR852475D A FR 852475DA FR 852475 A FR852475 A FR 852475A
Authority
FR
France
Prior art keywords
acids
naphthol
processes
preparation
azo dyes
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
Other languages
French (fr)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR852475A publication Critical patent/FR852475A/en
Expired legal-status Critical Current

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
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR852475D 1938-04-02 1939-04-01 Naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these various substances Expired FR852475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE852475X 1938-04-02

Publications (1)

Publication Number Publication Date
FR852475A true FR852475A (en) 1940-02-02

Family

ID=6784709

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852475D Expired FR852475A (en) 1938-04-02 1939-04-01 Naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these various substances

Country Status (1)

Country Link
FR (1) FR852475A (en)

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