CH473865A - Verfahren zur Herstellung von sulfonsäuregruppenfreien Disazofarbstoffen - Google Patents

Verfahren zur Herstellung von sulfonsäuregruppenfreien Disazofarbstoffen

Info

Publication number
CH473865A
CH473865A CH1198768A CH1198768A CH473865A CH 473865 A CH473865 A CH 473865A CH 1198768 A CH1198768 A CH 1198768A CH 1198768 A CH1198768 A CH 1198768A CH 473865 A CH473865 A CH 473865A
Authority
CH
Switzerland
Prior art keywords
tube
membrane
preparation
sulfonic acid
acid group
Prior art date
Application number
CH1198768A
Other languages
English (en)
French (fr)
Inventor
Johannes Dr Dehnert
Gerhard Dr Gnad
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of CH473865A publication Critical patent/CH473865A/de

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
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Electric Clocks (AREA)
CH1198768A 1966-12-03 1967-11-30 Verfahren zur Herstellung von sulfonsäuregruppenfreien Disazofarbstoffen CH473865A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB0090146 1966-12-03
CH1685967 1967-11-30

Publications (1)

Publication Number Publication Date
CH473865A true CH473865A (de) 1969-06-15

Family

ID=25718588

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1198768A CH473865A (de) 1966-12-03 1967-11-30 Verfahren zur Herstellung von sulfonsäuregruppenfreien Disazofarbstoffen

Country Status (1)

Country Link
CH (1) CH473865A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2236250A1 (de) * 1971-07-26 1973-02-08 Acna Neue diazo-pigmente, deren herstellung und verwendung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2236250A1 (de) * 1971-07-26 1973-02-08 Acna Neue diazo-pigmente, deren herstellung und verwendung

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Legal Events

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PL Patent ceased