CH489576A - Process for the preparation of disazo dyes which are free from sulfonic acid and carboxylic acid groups - Google Patents

Process for the preparation of disazo dyes which are free from sulfonic acid and carboxylic acid groups

Info

Publication number
CH489576A
CH489576A CH1593367A CH1593367A CH489576A CH 489576 A CH489576 A CH 489576A CH 1593367 A CH1593367 A CH 1593367A CH 1593367 A CH1593367 A CH 1593367A CH 489576 A CH489576 A CH 489576A
Authority
CH
Switzerland
Prior art keywords
preparation
free
carboxylic acid
disazo dyes
sulfonic acid
Prior art date
Application number
CH1593367A
Other languages
German (de)
Inventor
Gmaj Jan
Scibisz Halina
Mielicki Jozef
Wojciechowski Lech
Original Assignee
Inst Przemyslu Organiczego
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
Priority claimed from PL117494A external-priority patent/PL57342B1/pl
Application filed by Inst Przemyslu Organiczego filed Critical Inst Przemyslu Organiczego
Publication of CH489576A publication Critical patent/CH489576A/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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/02—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group
    • C09B44/04—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group from coupling components containing amino as the only directing group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH1593367A 1966-11-21 1967-11-15 Process for the preparation of disazo dyes which are free from sulfonic acid and carboxylic acid groups CH489576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL117494A PL57342B1 (en) 1966-11-21

Publications (1)

Publication Number Publication Date
CH489576A true CH489576A (en) 1970-04-30

Family

ID=19949560

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1593367A CH489576A (en) 1966-11-21 1967-11-15 Process for the preparation of disazo dyes which are free from sulfonic acid and carboxylic acid groups

Country Status (3)

Country Link
CH (1) CH489576A (en)
DE (1) DE1644287A1 (en)
GB (1) GB1168320A (en)

Also Published As

Publication number Publication date
GB1168320A (en) 1969-10-22
DE1644287A1 (en) 1971-02-11

Similar Documents

Publication Publication Date Title
CH484240A (en) Process for the production of water-insoluble azo dyes
CH470452A (en) Process for the preparation of dyes free from sulfonic acid groups
CH502418A (en) Process for the preparation of disazo dyes
CH444996A (en) Process for the preparation of trisazo dyes
CH478884A (en) Process for the preparation of monoazo dyes
CH482794A (en) Process for the preparation of basic dyes free from sulfonic acid groups
CH473196A (en) Process for the preparation of dyes free of sulfonic acid and carboxylic acid groups
CH465740A (en) Process for the preparation of dyes free of sulfonic acid and carboxylic acid groups
CH487976A (en) Process for the preparation of water-insoluble monoazo dyes
CH483464A (en) Process for the preparation of polyamic acids
CH486454A (en) Process for the preparation of 3-indolylacetic acids
CH484246A (en) Process for the preparation of polycyclic dyes
CH489576A (en) Process for the preparation of disazo dyes which are free from sulfonic acid and carboxylic acid groups
CH485004A (en) Process for the preparation of disazo dyes
CH503021A (en) Process for the preparation of 3-indolylacetic acids
CH475316A (en) Process for the preparation of sulfonic acid group-free disazo dyes
CH484247A (en) Process for the production of dyes
CH444345A (en) Process for the preparation of water-insoluble disazo dyes
CH535819A (en) Process for the preparation of disazo dyes
CH475255A (en) Process for the preparation of pyrazoline sulfonic acid esters
CH481992A (en) Process for the production of water-insoluble dyes
CH486453A (en) Process for the preparation of 3-indolylacetic acids
CH453540A (en) Process for the preparation of disazo dyes
CH488788A (en) Process for the preparation of polycyclic dyes
CH484988A (en) Process for the preparation of basic azo dyes

Legal Events

Date Code Title Description
PL Patent ceased