FR852042A - Process for preparing polyazo dyes - Google Patents

Process for preparing polyazo dyes

Info

Publication number
FR852042A
FR852042A FR852042DA FR852042A FR 852042 A FR852042 A FR 852042A FR 852042D A FR852042D A FR 852042DA FR 852042 A FR852042 A FR 852042A
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.)
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 FR852042A publication Critical patent/FR852042A/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
    • C09B31/08—Disazo dyes from a coupling component "C" containing directive hydroxyl and amino groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR852042D 1938-03-24 1939-03-23 Process for preparing polyazo dyes Expired FR852042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE852042X 1938-03-24

Publications (1)

Publication Number Publication Date
FR852042A true FR852042A (en) 1940-01-22

Family

ID=6783152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852042D Expired FR852042A (en) 1938-03-24 1939-03-23 Process for preparing polyazo dyes

Country Status (1)

Country Link
FR (1) FR852042A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421553A (en) * 1944-03-15 1947-06-03 Chem Ind Basel Azo dyes from 2, 6 dihalo 4 nitraniline

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421553A (en) * 1944-03-15 1947-06-03 Chem Ind Basel Azo dyes from 2, 6 dihalo 4 nitraniline

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