FR868028A - Disazo dyes and process for the preparation of these dyes - Google Patents

Disazo dyes and process for the preparation of these dyes

Info

Publication number
FR868028A
FR868028A FR868028DA FR868028A FR 868028 A FR868028 A FR 868028A FR 868028D A FR868028D A FR 868028DA FR 868028 A FR868028 A FR 868028A
Authority
FR
France
Prior art keywords
dyes
preparation
disazo
disazo 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.)
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 FR868028A publication Critical patent/FR868028A/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
    • C09B31/04—Disazo dyes from a coupling component "C" containing a directive amino group
    • C09B31/053—Amino naphthalenes
    • C09B31/057—Amino naphthalenes containing acid groups, e.g. —CO2H, —SO3H, —PO3H2, —OSO3H, —OPO2H2; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR868028D 1939-12-11 1940-12-10 Disazo dyes and process for the preparation of these dyes Expired FR868028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH868028X 1939-12-11

Publications (1)

Publication Number Publication Date
FR868028A true FR868028A (en) 1941-12-12

Family

ID=4543812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868028D Expired FR868028A (en) 1939-12-11 1940-12-10 Disazo dyes and process for the preparation of these dyes

Country Status (1)

Country Link
FR (1) FR868028A (en)

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