AT249210B - 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: AT249210B
Authority: AT; Austria
Prior art keywords: azobenzenes; dialkylamino; nitro; insoluble; preparation
Prior art date: 1963-02-15

Application number

AT469065A

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.)

1963-02-15

Filing date

1964-02-13

Publication date

1966-09-12

1963-02-15 Priority claimed from CH194563A external-priority patent/CH422194A/en

1964-02-13 Application filed by Sandoz Ag filed Critical Sandoz Ag

1966-09-12 Application granted granted Critical

1966-09-12 Publication of AT249210B publication Critical patent/AT249210B/en

Links

AT469065A 1963-02-15 1964-02-13 Process for the preparation of new water-insoluble 4-nitro-4'-dialkylamino-1,1'-azobenzenes AT249210B (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
AT249210B true AT249210B (en)	1966-09-12

Family

ID=4222259

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
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
AT468865A AT249208B (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
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 (4)

Application Number	Title	Priority Date	Filing Date
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
AT468865A AT249208B (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

Country Status (1)

Country	Link
AT (5)	AT249823B (en)

1964
- 1964-02-13 AT AT119864A patent/AT249823B/en active
- 1964-02-13 AT AT469865A patent/AT249218B/en active
- 1964-02-13 AT AT468865A patent/AT249208B/en active
- 1964-02-13 AT AT469465A patent/AT249214B/en active
- 1964-02-13 AT AT469065A patent/AT249210B/en active

Also Published As

Publication number	Publication date
AT249823B (en)	1966-10-10
AT249208B (en)	1966-09-12
AT249218B (en)	1966-09-12
AT249214B (en)	1966-09-12

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