AT249823B - Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes - Google Patents

Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes

Info

Publication number
AT249823B
AT249823B AT119864A AT119864A AT249823B AT 249823 B AT249823 B AT 249823B AT 119864 A AT119864 A AT 119864A AT 119864 A AT119864 A AT 119864A AT 249823 B AT249823 B AT 249823B
Authority
AT
Austria
Prior art keywords
azobenzenes
dialkylamino
nitro
insoluble
preparation
Prior art date
Application number
AT119864A
Other languages
German (de)
Original Assignee
Sandoz 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 CH194563A external-priority patent/CH422194A/en
Application filed by Sandoz Ag filed Critical Sandoz Ag
Application granted granted Critical
Publication of AT249823B publication Critical patent/AT249823B/en

Links

AT119864A 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes AT249823B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH194563A CH422194A (en) 1963-02-15 1963-02-15 Process for the production of azo dyes that are sparingly soluble in water

Publications (1)

Publication Number Publication Date
AT249823B true AT249823B (en) 1966-10-10

Family

ID=4222259

Family Applications (5)

Application Number Title Priority Date Filing Date
AT469465A AT249214B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes
AT468865A AT249208B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes
AT119864A AT249823B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes
AT469865A AT249218B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes
AT469065A AT249210B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT469465A AT249214B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes
AT468865A AT249208B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes

Family Applications After (2)

Application Number Title Priority Date Filing Date
AT469865A AT249218B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes
AT469065A AT249210B (en) 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes

Country Status (1)

Country Link
AT (5) AT249214B (en)

Also Published As

Publication number Publication date
AT249210B (en) 1966-09-12
AT249214B (en) 1966-09-12
AT249208B (en) 1966-09-12
AT249218B (en) 1966-09-12

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