Print-out compositions

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1984-09-10

1986-07-01

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430281, 430285, 430286, 430191, 430196, 430344, 430292, 430342, 430343, 430338, 430287, G03C 152, G03C 168

Patent

active

045980365

ABSTRACT:
A print-out composition containing a leuco dye and a photooxidizing agent is described, said print-out composition containing at least one carbazomethane compound represented by formula (I) as the leuco dye ##STR1## wherein Y represents an amino group-substituted phenyl group represented by formula (Ia) ##STR2## or an indolyl group represented by formula (Ib) ##STR3## wherein X.sub.1 and X.sub.2 each represents a hydrogen atom, an unsubstituted alkyl group, or an alkyl group substituted by a halogen atom, a hydroxy group, a cyano group, or a lower alkoxy group, said alkyl group having up to 12 carbon atoms, a cycloalkyl group, a phenyl group, a benzyl group, or a phenyl or benzyl group substituted by a halogen atom, a lower alkyl group, or a lower alkoxy group, or said X.sub.1 and X.sub.2 together may form a 5-membered or 6-membered heterocyclic group together with the nitrogen atom bonded thereto; X.sub.3 represents a hydrogen atom, a halogen atom, a nitro group, a lower alkyl group, or a lower alkoxy group; R.sub.1 and Z.sub.1 each represents a hydrogen atom, an unsubstituted alkyl group or an alkyl group substituted by a halogen atom having up to 12 carbon atoms, a hydroxy group, a cyano group, or a lower alkoxy group, an alkenyl group having up to 12 carbon atoms, an acyl group having from 1 to 12 carbon atoms, a phenyl group, a benzyl group, or a phenyl or benzyl group substituted by a member selected from the group consisting of a halogen atom, a lower alkyl group, a lower alkoxy group, and a nitro group; Z.sub.2 represents a hydrogen atom, a lower alkyl group, or a phenyl group; and rings A, B, and D each may be further substituted by a cyano group, a nitro group, a halogen atom, a lower alkyl group, a lower alkoxy group, or a lower alkylcarbonyl group.

REFERENCES:
patent: 3769023 (1973-10-01), Lewis et al.
patent: 3957288 (1976-05-01), Lemahieu et al.
patent: 4008085 (1977-02-01), Lemahieu et al.
patent: 4154463 (1979-05-01), Burri
patent: 4297435 (1981-10-01), Jolly
patent: 4343885 (1982-08-01), Reardon
patent: 4500897 (1985-02-01), Matsuda et al.

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