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FR908494A - Disazo dyes and their manufacturing process - Google Patents

Disazo dyes and their manufacturing process

Info

Publication number
FR908494A
FR908494A FR908494DA FR908494A FR 908494 A FR908494 A FR 908494A FR 908494D A FR908494D A FR 908494DA FR 908494 A FR908494 A FR 908494A
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 FR908494A publication Critical patent/FR908494A/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
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR908494D 1944-01-26 1944-12-27 Disazo dyes and their manufacturing process Expired FR908494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH908494X 1944-01-26

Publications (1)

Publication Number Publication Date
FR908494A true FR908494A (en) 1946-04-10

Family

ID=4547056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR908494D Expired FR908494A (en) 1944-01-26 1944-12-27 Disazo dyes and their manufacturing process

Country Status (1)

Country Link
FR (1) FR908494A (en)

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