FR755290A - Production process of azo dyes of the stilbenic series - Google Patents

Production process of azo dyes of the stilbenic series

Info

Publication number
FR755290A
FR755290A FR755290DA FR755290A FR 755290 A FR755290 A FR 755290A FR 755290D A FR755290D A FR 755290DA FR 755290 A FR755290 A FR 755290A
Authority
FR
France
Prior art keywords
stilbenic
series
production process
azo dyes
azo
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 FR755290A publication Critical patent/FR755290A/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
    • C09B56/00—Azo dyes containing other chromophoric systems
    • C09B56/04—Stilbene-azo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
FR755290D 1932-05-12 1933-05-08 Production process of azo dyes of the stilbenic series Expired FR755290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI44412D DE591628C (en) 1932-05-12 1932-05-12 Process for the production of azo dyes of the stilbene series

Publications (1)

Publication Number Publication Date
FR755290A true FR755290A (en) 1933-11-22

Family

ID=7191280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR755290D Expired FR755290A (en) 1932-05-12 1933-05-08 Production process of azo dyes of the stilbenic series

Country Status (2)

Country Link
DE (1) DE591628C (en)
FR (1) FR755290A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922123C (en) * 1952-02-17 1955-01-10 Bayer Ag Process for the preparation of polyazo dyes

Also Published As

Publication number Publication date
DE591628C (en) 1934-01-25

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