FR751258A - Process for the preparation of azo dyes - Google Patents

Process for the preparation of azo dyes

Info

Publication number
FR751258A
FR751258A FR751258DA FR751258A FR 751258 A FR751258 A FR 751258A FR 751258D A FR751258D A FR 751258DA FR 751258 A FR751258 A FR 751258A
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 FR751258A publication Critical patent/FR751258A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR751258D 1932-02-24 1933-02-23 Process for the preparation of azo dyes Expired FR751258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE751258X 1932-02-24

Publications (1)

Publication Number Publication Date
FR751258A true FR751258A (en) 1933-08-30

Family

ID=6651692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR751258D Expired FR751258A (en) 1932-02-24 1933-02-23 Process for the preparation of azo dyes

Country Status (1)

Country Link
FR (1) FR751258A (en)

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