FR1043937A - Disazo dyes and their preparation process - Google Patents

Disazo dyes and their preparation process

Info

Publication number
FR1043937A
FR1043937A FR1043937DA FR1043937A FR 1043937 A FR1043937 A FR 1043937A FR 1043937D A FR1043937D A FR 1043937DA FR 1043937 A FR1043937 A FR 1043937A
Authority
FR
France
Prior art keywords
preparation process
disazo dyes
disazo
dyes
preparation
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 FR1043937A publication Critical patent/FR1043937A/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
    • C09B35/227—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl sulfide or a diaryl polysulfide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1043937D 1950-10-18 1951-10-17 Disazo dyes and their preparation process Expired FR1043937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1043937X 1950-10-18

Publications (1)

Publication Number Publication Date
FR1043937A true FR1043937A (en) 1953-11-12

Family

ID=4554469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1043937D Expired FR1043937A (en) 1950-10-18 1951-10-17 Disazo dyes and their preparation process

Country Status (1)

Country Link
FR (1) FR1043937A (en)

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