FR622974A - Process for obtaining azo dyes - Google Patents

Process for obtaining azo dyes

Info

Publication number
FR622974A
FR622974A FR622974DA FR622974A FR 622974 A FR622974 A FR 622974A FR 622974D A FR622974D A FR 622974DA FR 622974 A FR622974 A FR 622974A
Authority
FR
France
Prior art keywords
azo dyes
obtaining azo
obtaining
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 FR622974A publication Critical patent/FR622974A/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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/16—Trisazo dyes
    • C09B31/26—Trisazo dyes from other coupling components "D"
    • C09B31/28—Heterocyclic compounds
FR622974D 1925-10-14 1926-10-12 Process for obtaining azo dyes Expired FR622974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE622974X 1925-10-14

Publications (1)

Publication Number Publication Date
FR622974A true FR622974A (en) 1927-06-14

Family

ID=6577795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR622974D Expired FR622974A (en) 1925-10-14 1926-10-12 Process for obtaining azo dyes

Country Status (1)

Country Link
FR (1) FR622974A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448158A (en) * 1945-01-04 1948-08-31 Du Pont Green tetrakisazo dyes
WO2005052065A1 (en) * 2003-11-20 2005-06-09 Fujifilm Imaging Colorants Limited Trisazo-dyestuffs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448158A (en) * 1945-01-04 1948-08-31 Du Pont Green tetrakisazo dyes
WO2005052065A1 (en) * 2003-11-20 2005-06-09 Fujifilm Imaging Colorants Limited Trisazo-dyestuffs
US7638609B2 (en) 2003-11-20 2009-12-29 Fujifilm Imaging Colorants Limited Trisazo-dyestuffs

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