Color developer composition and color developer sheet

Details Color developer composition and color developer sheet Color developer composition and color developer sheet

1990-07-17

1992-08-25

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

503216, 503225, C09D 1100, B41M 5155

Patent

active

051415577

ABSTRACT:
A color developer composition exhibiting excellent color developability, resistance to yellowing and light-fastness is disclosed, which comprises a substituted or unsubstituted benzoic acid salt represented by formula (I), or a mixture of a substituted or unsubstituted benzoic acid salt represented by formula (II) and a novolak type phenol resin represented by formula (III): ##STR1## wherein R.sub.1 to R.sub.19, M, M', n, n' and M are defined in the specification.

REFERENCES:
patent: 4087284 (1978-05-01), Golden et al.
patent: 4137084 (1979-01-01), Davis et al.
patent: 4234212 (1980-11-01), Kato et al.
patent: 4374671 (1983-02-01), Hayashi et al.
patent: 4566907 (1986-01-01), Kagota
patent: 4950330 (1990-08-01), Saito et al.

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