Process for image formation comprising a heating step

Details Process for image formation comprising a heating step Process for image formation comprising a heating step

1985-11-20

1987-01-27

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430203, 430353, 430559, 430566, 430598, 430611, 430617, 430619, 430955, 430957, 430958, 430959, G03C 140, G03C 554, G03C 106, G03C 142

Patent

active

046394087

ABSTRACT:
A process for forming an image comprising a heating step is described, wherein a photographic material is heated in the presence of a compound represented by formula (I) ##STR1## wherein X represents an atomic group completing a carbocyclic aromatic ring or a heterocyclic aromatic ring; R.sup.1 is selected from groups represented by formulae (A), (B), and (C) ##STR2## in which R.sup.11 and R.sup.12 each represents a substituted or unsubstituted alkyl group, a cycloalkyl group, a substituted or unsubstituted alkenyl group, an aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, an alkyloxy or aryloxy group, an alkylthio or arylthio group, or a substituted or unsubstituted amino group, or R.sup.11 and R.sup.12 together form a 5-membered or 6-membered ring; R.sup.2 represents a group selected from the groups represented by R.sup.11 ; R.sup.1 and R.sup.2 together form a 5-membered or 6-membered ring; Q represents a hydrogen atom, an alkyl group, or an aryl group; TIME represents a timing group; PUG represents a photographically useful group; and n represents 0 or an integer.

REFERENCES:
patent: 3674478 (1972-07-01), Grasshoff et al.
patent: 4343893 (1982-08-01), Donald et al.
patent: 4416977 (1983-11-01), Ohashi et al.

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