CH470456A - Process for the preparation of sulfonic acid group-free monoazo dyes - Google Patents

Process for the preparation of sulfonic acid group-free monoazo dyes

Info

Publication number
CH470456A
CH470456A CH1355868A CH1355868A CH470456A CH 470456 A CH470456 A CH 470456A CH 1355868 A CH1355868 A CH 1355868A CH 1355868 A CH1355868 A CH 1355868A CH 470456 A CH470456 A CH 470456A
Authority
CH
Switzerland
Prior art keywords
preparation
sulfonic acid
acid group
monoazo dyes
free monoazo
Prior art date
Application number
CH1355868A
Other languages
German (de)
Inventor
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 CH470456A publication Critical patent/CH470456A/en

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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/12—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the benzene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH1355868A 1967-02-03 1968-02-01 Process for the preparation of sulfonic acid group-free monoazo dyes CH470456A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB0091031 1967-02-03
CH153468 1968-02-01

Publications (1)

Publication Number Publication Date
CH470456A true CH470456A (en) 1969-03-31

Family

ID=25687927

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1355868A CH470456A (en) 1967-02-03 1968-02-01 Process for the preparation of sulfonic acid group-free monoazo dyes

Country Status (1)

Country Link
CH (1) CH470456A (en)

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Legal Events

Date Code Title Description
PL Patent ceased