Bisazo inkjet dyes

Details Bisazo inkjet dyes Bisazo inkjet dyes

1997-10-09

1998-12-01

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3148, 106 3158, 534825, 427466, 428195, C09D 1102, C09B 3108

Patent

active

058432183

ABSTRACT:
A bisazo dye of Formula (1) and salts thereof: ##STR1## wherein: R.sub.1 and R.sub.2 together with the carbon atoms to which they are attached form a 5- or 6- membered carbocyclic ring which is optionally substituted by SO.sub.3 H;

REFERENCES:
patent: 4963189 (1990-10-01), Hindagolla
patent: 5053495 (1991-10-01), Greenwood
patent: 5055566 (1991-10-01), Gregory
patent: 5062893 (1991-11-01), Adamic
patent: 5177195 (1993-01-01), Gregory et al.
patent: 5203912 (1993-04-01), Greenwood et al.
patent: 5256194 (1993-10-01), Nishiwaki et al.
patent: 5370730 (1994-12-01), Gregory et al.
patent: 5439517 (1995-08-01), Yoshida et al.
patent: 5451251 (1995-09-01), Mafune et al.
patent: 5647897 (1997-07-01), Ouki et al.
Chemical Abstract, vol. 123:317161 (JP 07109429 A2),Apr. 1995.

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