AT249218B - 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
AT249218B
AT249218B AT469865A AT469865A AT249218B AT 249218 B AT249218 B AT 249218B AT 469865 A AT469865 A AT 469865A AT 469865 A AT469865 A AT 469865A AT 249218 B AT249218 B AT 249218B
Authority
AT
Austria
Prior art keywords
azobenzenes
dialkylamino
nitro
insoluble
preparation
Prior art date
Application number
AT469865A
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 AT249218B publication Critical patent/AT249218B/en

Links

AT469865A 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes AT249218B (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
AT249218B true AT249218B (en) 1966-09-12

Family

ID=4222259

Family Applications (5)

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

Family Applications Before (2)

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

Country Status (1)

Country Link
AT (5) AT249210B (en)

Also Published As

Publication number Publication date
AT249210B (en) 1966-09-12
AT249214B (en) 1966-09-12
AT249823B (en) 1966-10-10
AT249208B (en) 1966-09-12

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