FR1108215A - Azo dyes and their production process - Google Patents

Azo dyes and their production process

Info

Publication number
FR1108215A
FR1108215A FR1108215DA FR1108215A FR 1108215 A FR1108215 A FR 1108215A FR 1108215D A FR1108215D A FR 1108215DA FR 1108215 A FR1108215 A FR 1108215A
Authority
FR
France
Prior art keywords
production process
azo dyes
azo
dyes
production
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of FR1108215A publication Critical patent/FR1108215A/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
    • C09B35/021—Disazo dyes characterised by two coupling components of the same type
    • C09B35/03—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a heterocyclic compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1108215D 1953-09-18 1954-09-15 Azo dyes and their production process Expired FR1108215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1108215X 1953-09-18

Publications (1)

Publication Number Publication Date
FR1108215A true FR1108215A (en) 1956-01-10

Family

ID=7723373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1108215D Expired FR1108215A (en) 1953-09-18 1954-09-15 Azo dyes and their production process

Country Status (1)

Country Link
FR (1) FR1108215A (en)

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