FR778234A - Process for the preparation of substantive azo dyes - Google Patents

Process for the preparation of substantive azo dyes

Info

Publication number
FR778234A
FR778234A FR778234DA FR778234A FR 778234 A FR778234 A FR 778234A FR 778234D A FR778234D A FR 778234DA FR 778234 A FR778234 A FR 778234A
Authority
FR
France
Prior art keywords
preparation
azo dyes
substantive azo
substantive
dyes
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 FR778234A publication Critical patent/FR778234A/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
    • C09B35/205—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
    • C09B35/215—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylethane or diarylethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR778234D 1934-02-10 1934-09-10 Process for the preparation of substantive azo dyes Expired FR778234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE778234X 1934-02-10

Publications (1)

Publication Number Publication Date
FR778234A true FR778234A (en) 1935-03-12

Family

ID=6686933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR778234D Expired FR778234A (en) 1934-02-10 1934-09-10 Process for the preparation of substantive azo dyes

Country Status (1)

Country Link
FR (1) FR778234A (en)

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