FR74994E - New azo dyes and their preparation - Google Patents

New azo dyes and their preparation

Info

Publication number
FR74994E
FR74994E FR787515A FR787515A FR74994E FR 74994 E FR74994 E FR 74994E FR 787515 A FR787515 A FR 787515A FR 787515 A FR787515 A FR 787515A FR 74994 E FR74994 E FR 74994E
Authority
FR
France
Prior art keywords
preparation
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
FR787515A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Priority to FR787515A priority Critical patent/FR74994E/en
Application granted granted Critical
Publication of FR74994E publication Critical patent/FR74994E/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
    • C09B35/04—Disazo dyes characterised by the tetrazo component the tetrazo component being a benzene derivative

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR787515A 1959-02-21 1959-02-21 New azo dyes and their preparation Expired FR74994E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR787515A FR74994E (en) 1959-02-21 1959-02-21 New azo dyes and their preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR787515A FR74994E (en) 1959-02-21 1959-02-21 New azo dyes and their preparation

Publications (1)

Publication Number Publication Date
FR74994E true FR74994E (en) 1961-03-03

Family

ID=8711622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787515A Expired FR74994E (en) 1959-02-21 1959-02-21 New azo dyes and their preparation

Country Status (1)

Country Link
FR (1) FR74994E (en)

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