CH495407A - 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
CH495407A
CH495407A CH1435968A CH1435968A CH495407A CH 495407 A CH495407 A CH 495407A CH 1435968 A CH1435968 A CH 1435968A CH 1435968 A CH1435968 A CH 1435968A CH 495407 A CH495407 A CH 495407A
Authority
CH
Switzerland
Prior art keywords
preparation
sulfonic acid
acid group
monoazo dyes
free monoazo
Prior art date
Application number
CH1435968A
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
Priority claimed from DE19671644071 external-priority patent/DE1644071A1/en
Application filed by Basf Ag filed Critical Basf Ag
Publication of CH495407A publication Critical patent/CH495407A/en

Links

CH1435968A 1967-09-29 1968-09-26 Process for the preparation of sulfonic acid group-free monoazo dyes CH495407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671644071 DE1644071A1 (en) 1967-09-29 1967-09-29 Monoazo dyes free of sulfonic acid groups

Publications (1)

Publication Number Publication Date
CH495407A true CH495407A (en) 1970-08-31

Family

ID=5684440

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1435968A CH495407A (en) 1967-09-29 1968-09-26 Process for the preparation of sulfonic acid group-free monoazo dyes

Country Status (3)

Country Link
CH (1) CH495407A (en)
FR (1) FR1582470A (en)
GB (1) GB1232611A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792447A (en) * 1971-12-09 1973-06-08 Ciba Geigy NITROGEN DYES WITH DIFFICULTY SOLUBLE IN WATER, THEIR PREPARATION AND USE

Also Published As

Publication number Publication date
GB1232611A (en) 1971-05-19
FR1582470A (en) 1969-09-26

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Legal Events

Date Code Title Description
PL Patent ceased