FR458089A - Process for the production of new azo dyes - Google Patents

Process for the production of new azo dyes

Info

Publication number
FR458089A
FR458089A FR458089DA FR458089A FR 458089 A FR458089 A FR 458089A FR 458089D A FR458089D A FR 458089DA FR 458089 A FR458089 A FR 458089A
Authority
FR
France
Prior art keywords
production
azo dyes
new azo
new
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.)
Bayer AG
Original Assignee
Farbenfabriken Vorm Friedr Bayer and Co
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 Farbenfabriken Vorm Friedr Bayer and Co filed Critical Farbenfabriken Vorm Friedr Bayer and Co
Application granted granted Critical
Publication of FR458089A publication Critical patent/FR458089A/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
    • C09B35/36—Trisazo dyes of the type
    • C09B35/372—D is diarylurea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR458089D 1912-05-25 1913-05-20 Process for the production of new azo dyes Expired FR458089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE458089X 1912-05-25

Publications (1)

Publication Number Publication Date
FR458089A true FR458089A (en) 1913-10-02

Family

ID=1497721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR458089D Expired FR458089A (en) 1912-05-25 1913-05-20 Process for the production of new azo dyes

Country Status (1)

Country Link
FR (1) FR458089A (en)

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