FR645199A - New azo dyes and their application - Google Patents

New azo dyes and their application

Info

Publication number
FR645199A
FR645199A FR645199DA FR645199A FR 645199 A FR645199 A FR 645199A FR 645199D A FR645199D A FR 645199DA FR 645199 A FR645199 A FR 645199A
Authority
FR
France
Prior art keywords
application
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.)
Imperial Chemical Industries Ltd
Original Assignee
British Dyestuffs Corp Ltd
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 British Dyestuffs Corp Ltd filed Critical British Dyestuffs Corp Ltd
Application granted granted Critical
Publication of FR645199A publication Critical patent/FR645199A/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
    • C09B35/50—Tetrazo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR645199D 1926-12-07 1927-12-06 New azo dyes and their application Expired FR645199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB645199X 1926-12-07

Publications (1)

Publication Number Publication Date
FR645199A true FR645199A (en) 1928-10-20

Family

ID=10489759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645199D Expired FR645199A (en) 1926-12-07 1927-12-06 New azo dyes and their application

Country Status (1)

Country Link
FR (1) FR645199A (en)

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