FR1131641A - Process for the production of o, o'dihydroxyazo dyes - Google Patents

Process for the production of o, o'dihydroxyazo dyes

Info

Publication number
FR1131641A
FR1131641A FR1131641DA FR1131641A FR 1131641 A FR1131641 A FR 1131641A FR 1131641D A FR1131641D A FR 1131641DA FR 1131641 A FR1131641 A FR 1131641A
Authority
FR
France
Prior art keywords
production
dihydroxyazo
dyes
dihydroxyazo 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.)
Bayer AG
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 FR1131641A publication Critical patent/FR1131641A/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
    • C09B45/34—Preparation from o-monohydroxy azo compounds having in the o'-position an atom or functional group other than hydroxyl, alkoxy, carboxyl, amino or keto groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1131641D 1954-09-29 1955-09-23 Process for the production of o, o'dihydroxyazo dyes Expired FR1131641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1131641X 1954-09-29

Publications (1)

Publication Number Publication Date
FR1131641A true FR1131641A (en) 1957-02-25

Family

ID=7725627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1131641D Expired FR1131641A (en) 1954-09-29 1955-09-23 Process for the production of o, o'dihydroxyazo dyes

Country Status (1)

Country Link
FR (1) FR1131641A (en)

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