FR675826A - Process for preparing polyazo dyes - Google Patents

Process for preparing polyazo dyes

Info

Publication number
FR675826A
FR675826A FR675826DA FR675826A FR 675826 A FR675826 A FR 675826A FR 675826D A FR675826D A FR 675826DA FR 675826 A FR675826 A FR 675826A
Authority
FR
France
Prior art keywords
preparing
polyazo dyes
polyazo
dyes
preparing polyazo
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.)
Sandoz AG
Original Assignee
Sandoz 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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of FR675826A publication Critical patent/FR675826A/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
    • C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine
    • C09B35/46—Trisazo dyes ot the type the component K being a hydroxy amine the component K being an amino naphthol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR675826D 1928-06-14 1929-05-27 Process for preparing polyazo dyes Expired FR675826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE675826X 1928-06-14

Publications (1)

Publication Number Publication Date
FR675826A true FR675826A (en) 1930-02-14

Family

ID=6593776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR675826D Expired FR675826A (en) 1928-06-14 1929-05-27 Process for preparing polyazo dyes

Country Status (1)

Country Link
FR (1) FR675826A (en)

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