FR1047778A - Disazo dyes and their manufacturing process - Google Patents

Disazo dyes and their manufacturing process

Info

Publication number
FR1047778A
FR1047778A FR1047778DA FR1047778A FR 1047778 A FR1047778 A FR 1047778A FR 1047778D A FR1047778D A FR 1047778DA FR 1047778 A FR1047778 A FR 1047778A
Authority
FR
France
Prior art keywords
manufacturing process
disazo dyes
disazo
dyes
manufacturing
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 FR1047778A publication Critical patent/FR1047778A/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)
FR1047778D 1950-06-27 1951-06-06 Disazo dyes and their manufacturing process Expired FR1047778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1047778X 1950-06-27

Publications (1)

Publication Number Publication Date
FR1047778A true FR1047778A (en) 1953-12-16

Family

ID=4554690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1047778D Expired FR1047778A (en) 1950-06-27 1951-06-06 Disazo dyes and their manufacturing process

Country Status (1)

Country Link
FR (1) FR1047778A (en)

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