Azo dyes suitable for ink jet printing

Details Azo dyes suitable for ink jet printing Azo dyes suitable for ink jet printing

1991-06-28

1993-12-07

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534637, 534664, 534665, 534670, 534672, 534673, 534797, 534817, 534818, 106 22K, 106 20D, C09B 6209, C09B 3526, C09B 3312, C09D 1102

Patent

active

052684598

ABSTRACT:
Anionic azo compounds which, in the free acid form, have the Formula (1): ##STR1## wherein: Ar and Ar.sup.1 are each independently aryl or substituted aryl providing at least one of Ar and Ar.sup.1 has at least one substituent selected from COOH and COSH;

REFERENCES:
patent: 1594828 (1926-08-01), Geller
patent: 1808849 (1931-06-01), Heintrich et al.
patent: 1845426 (1932-02-01), Laten
patent: 2696486 (1954-12-01), Gunst
patent: 2777840 (1957-01-01), Liechti et al.
patent: 3945990 (1976-03-01), Ikeda et al.
patent: 4474696 (1984-10-01), Takahashi et al.
patent: 4605442 (1986-08-01), Kawashita et al.
patent: 4661158 (1987-04-01), Kobayashi et al.
patent: 4843150 (1989-06-01), Hihara et al.
patent: 4997919 (1991-03-01), Schaulin

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