FR1162489A - Azo dyes and their preparation process - Google Patents

Azo dyes and their preparation process

Info

Publication number
FR1162489A
FR1162489A FR1162489DA FR1162489A FR 1162489 A FR1162489 A FR 1162489A FR 1162489D A FR1162489D A FR 1162489DA FR 1162489 A FR1162489 A FR 1162489A
Authority
FR
France
Prior art keywords
preparation process
azo dyes
azo
dyes
preparation
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.)
Novartis AG
Original Assignee
JR Geigy 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR1162489A publication Critical patent/FR1162489A/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
    • C09B31/025—Disazo dyes containing acid groups, e.g. -COOH, -SO3H, -PO3H2, -OSO3H, -OPO2H2; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1162489D 1955-12-16 1956-12-14 Azo dyes and their preparation process Expired FR1162489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1162489X 1955-12-16

Publications (1)

Publication Number Publication Date
FR1162489A true FR1162489A (en) 1958-09-15

Family

ID=4560792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1162489D Expired FR1162489A (en) 1955-12-16 1956-12-14 Azo dyes and their preparation process

Country Status (1)

Country Link
FR (1) FR1162489A (en)

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