FR469949A - Process for the production of new azo dyes - Google Patents

Process for the production of new azo dyes

Info

Publication number
FR469949A
FR469949A FR469949DA FR469949A FR 469949 A FR469949 A FR 469949A FR 469949D A FR469949D A FR 469949DA FR 469949 A FR469949 A FR 469949A
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 FR469949A publication Critical patent/FR469949A/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
    • C09B35/26—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl urea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR469949D 1913-04-11 1914-03-21 Process for the production of new azo dyes Expired FR469949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE469949X 1913-04-11

Publications (1)

Publication Number Publication Date
FR469949A true FR469949A (en) 1914-08-14

Family

ID=1508360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR469949D Expired FR469949A (en) 1913-04-11 1914-03-21 Process for the production of new azo dyes

Country Status (1)

Country Link
FR (1) FR469949A (en)

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