FR858104A - Azo dyes and their production process - Google Patents

Azo dyes and their production process

Info

Publication number
FR858104A
FR858104A FR858104DA FR858104A FR 858104 A FR858104 A FR 858104A FR 858104D A FR858104D A FR 858104DA FR 858104 A FR858104 A FR 858104A
Authority
FR
France
Prior art keywords
production process
azo dyes
azo
dyes
production
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 FR858104A publication Critical patent/FR858104A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/12—Disazo dyes in which the coupling component is a heterocyclic compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR858104D 1938-08-09 1939-07-20 Azo dyes and their production process Expired FR858104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE858104X 1938-08-09

Publications (1)

Publication Number Publication Date
FR858104A true FR858104A (en) 1940-11-18

Family

ID=6789743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858104D Expired FR858104A (en) 1938-08-09 1939-07-20 Azo dyes and their production process

Country Status (1)

Country Link
FR (1) FR858104A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE845087C (en) * 1941-12-23 1952-07-28 Ciba Geigy Process for the preparation of tetrakisazo dyes
DE762445C (en) * 1942-06-11 1952-11-17 Ig Farbenindustrie Ag Process for the preparation of disazo dyes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE845087C (en) * 1941-12-23 1952-07-28 Ciba Geigy Process for the preparation of tetrakisazo dyes
DE762445C (en) * 1942-06-11 1952-11-17 Ig Farbenindustrie Ag Process for the preparation of disazo dyes

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