FR620200A - Production de nouveaux colorants azoïques - Google Patents

Production de nouveaux colorants azoïques

Info

Publication number
FR620200A
FR620200A FR620200DA FR620200A FR 620200 A FR620200 A FR 620200A FR 620200D A FR620200D A FR 620200DA FR 620200 A FR620200 A FR 620200A
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
English (en)
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 FR620200A publication Critical patent/FR620200A/fr
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
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • C09B35/20—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling compounds of different types

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR620200D 1925-09-25 1926-08-11 Production de nouveaux colorants azoïques Expired FR620200A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE620200X 1925-09-25

Publications (1)

Publication Number Publication Date
FR620200A true FR620200A (fr) 1927-04-16

Family

ID=6577431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR620200D Expired FR620200A (fr) 1925-09-25 1926-08-11 Production de nouveaux colorants azoïques

Country Status (1)

Country Link
FR (1) FR620200A (fr)

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