FR877635A - Azo dyes and process for preparing these dyes - Google Patents

Azo dyes and process for preparing these dyes

Info

Publication number
FR877635A
FR877635A FR877635DA FR877635A FR 877635 A FR877635 A FR 877635A FR 877635D A FR877635D A FR 877635DA FR 877635 A FR877635 A FR 877635A
Authority
FR
France
Prior art keywords
dyes
preparing
azo
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 FR877635A publication Critical patent/FR877635A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type
    • C09B35/40—Trisazo dyes ot the type the component K being a dihydroxy or polyhydroxy compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR877635D 1940-05-15 1941-12-09 Azo dyes and process for preparing these dyes Expired FR877635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877635X 1940-05-15

Publications (1)

Publication Number Publication Date
FR877635A true FR877635A (en) 1942-12-11

Family

ID=6818165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877635D Expired FR877635A (en) 1940-05-15 1941-12-09 Azo dyes and process for preparing these dyes

Country Status (1)

Country Link
FR (1) FR877635A (en)

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