FR1217743A - New azo dyes and their preparation - Google Patents

New azo dyes and their preparation

Info

Publication number
FR1217743A
FR1217743A FR780717A FR780717A FR1217743A FR 1217743 A FR1217743 A FR 1217743A FR 780717 A FR780717 A FR 780717A FR 780717 A FR780717 A FR 780717A FR 1217743 A FR1217743 A FR 1217743A
Authority
FR
France
Prior art keywords
preparation
azo dyes
new azo
new
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
FR780717A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of FR1217743A publication Critical patent/FR1217743A/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
    • C09B31/02—Disazo dyes
    • C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
    • C09B31/075—Disazo dyes from a coupling component "C" containing a directive hydroxyl group ortho-Hydroxy carboxylic acid amides
FR780717A 1957-12-03 1958-12-03 New azo dyes and their preparation Expired FR1217743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1217743X 1957-12-03

Publications (1)

Publication Number Publication Date
FR1217743A true FR1217743A (en) 1960-05-05

Family

ID=7733701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780717A Expired FR1217743A (en) 1957-12-03 1958-12-03 New azo dyes and their preparation

Country Status (1)

Country Link
FR (1) FR1217743A (en)

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