FR788247A - Process for the production of water insoluble disazo dyes - Google Patents

Process for the production of water insoluble disazo dyes

Info

Publication number
FR788247A
FR788247A FR788247DA FR788247A FR 788247 A FR788247 A FR 788247A FR 788247D A FR788247D A FR 788247DA FR 788247 A FR788247 A FR 788247A
Authority
FR
France
Prior art keywords
production
water insoluble
disazo dyes
insoluble disazo
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.)
Novartis AG
Original Assignee
JR Geigy 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR788247A publication Critical patent/FR788247A/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
    • C09B35/227—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl sulfide or a diaryl polysulfide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR788247D 1934-04-12 1935-04-02 Process for the production of water insoluble disazo dyes Expired FR788247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE788247X 1934-04-12

Publications (1)

Publication Number Publication Date
FR788247A true FR788247A (en) 1935-10-07

Family

ID=6699423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR788247D Expired FR788247A (en) 1934-04-12 1935-04-02 Process for the production of water insoluble disazo dyes

Country Status (1)

Country Link
FR (1) FR788247A (en)

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