FR856735A - Azo dyes and process for the preparation thereof - Google Patents

Azo dyes and process for the preparation thereof

Info

Publication number
FR856735A
FR856735A FR856735DA FR856735A FR 856735 A FR856735 A FR 856735A FR 856735D A FR856735D A FR 856735DA FR 856735 A FR856735 A FR 856735A
Authority
FR
France
Prior art keywords
preparation
azo dyes
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 FR856735A publication Critical patent/FR856735A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/12—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the benzene series
    • C09B29/14—Hydroxy carboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR856735D 1938-06-22 1939-06-22 Azo dyes and process for the preparation thereof Expired FR856735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE856735X 1938-06-22

Publications (1)

Publication Number Publication Date
FR856735A true FR856735A (en) 1940-08-03

Family

ID=6789396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856735D Expired FR856735A (en) 1938-06-22 1939-06-22 Azo dyes and process for the preparation thereof

Country Status (1)

Country Link
FR (1) FR856735A (en)

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