Heat-developable color photographic material with heat fusible compound

Claim 1

A heat-developable color photographic material, comprising: a support having thereon; a light-sensitive silver halide; a hydrophilic binder; a dye releasing redox compound; and a heat fusible compound containing the dye releasing redox compound and dispersed in said hydrophilic binder, which heat fusible compound has a melting point of 60° C. or higher, the heat fusible compound being represented by a general formula selected from the group of general formulae consisting of (I), (II) and (III): ##STR36## wherein m represents an integer from 1 to 3; n represents an integer from 1 to 8; q represents an integer from 1 to 4; p represents an integer which meets the requirement for p+q=6; s represents an integer from 1 to 4; r represents an integer which meets the requirement for r+s=8; R represents a hydrogen atom or a substituent selected from an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, an aryloxy group, an aralkyl group, an acyl group, an acylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an alkoxyalkyl group, an aryloxyalkyl group, an acyloxy group, an acyloxyalkyl group, a carbamoyl group, a N-substituted carbamoyl group, a ureido group, a N-substituted ureido group, an alkylamino group, a dialkyl amino group, an arylamino group, a halogen atom, a hydroxy group, a carboxy group, a nitro group, a cyano group, an alkoxycarbonyl group, an aryloxycarbonyl group and a cycloalkyloxycarbonyl group and the alkyl moiety, the cycloalkyl moiety and the aryl moiety of the substituents may be further substituted with a halogen atom, a hydroxy group, an alkoxy group, a cyano group, an aryloxy group, an alkyl group, an alkoxycarbonyl group or an aryloxycarbonyl group, and when m, p or r represents 2 or more, R may be the same or different; R 1 represents an organic group derived from a compound of the formula R 1 --(OH) n which is derived from a compound represented by the following general formula (IV), (V) or (VI): R.sub.3 --(OH).sub.t (IV) HO--(R.sub.4).sub.u --H (V) R.sub.5 --[(O).sub.v --(CH.sub.2).sub.w --OH].sub.t (VI) wherein R 3 represents a t valent residue of an alkyl group, a substituted alkyl group, a cycloalkyl group or a substituted cycloalkyl group; R 4 represents an alkylene group or a substituted alkylene group; R 5 represents a t valent residue of an aryl group or a substituted aryl group; t represents an integer from 1 to 4; u represents an integer from 1 to 3; v represents 0 or an integer of 1; and w represents 0 or an integer from 1 to 3; wherein R 2 is a phenyl group, a substituted phenyl group, an alkyl group, a substituted alkyl group, a cycloalkyl group or a substituted cycloalkyl group.

Claim 14

A method for forming a color image, comprising the steps of: providing a heat-developable color photographic material comprising a support having thereon, a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound and a heat fusible compound which has a melting point of 60° C. or higher, said heat fusible compound containing the dye releasing redox compound and dispersed in said hydrophilic binder, the heat fusible compound being represented by a general formula selected from the group of general formulae consisting of: (I), (II) and (III): ##STR38## wherein m represents an integer from 1 to 3; n represents an integer from 1 to 8; q represents an integer from 1 to 4; p represents an integer which meets the requirement for p+q=6; s represents an integer from 1 to 4; r represents an integer which meets the requirement for r+s=8; R represents a hydrogen atom or a substituent selected from an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, an aryloxy group, an aralkyl group, an acyl group, an acylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an alkoxyalkyl group, an aryloxyalkyl group, an acyloxy group, an acyloxyalkyl group, a carbamoyl group, a N-substituted carbamoyl group, a ureido group, a N-substituted ureido group, an alkylamino group, a dialkylamino group, an arylamino group, a halogen atom, a hydroxy group, a carboxy group, a nitro group, a cyano group, an alkoxycarbonyl group, an aryloxycarbonyl group and a cycloalkyloxycarbonyl group and the alkyl moiety, the cycloalkyl moiety and the aryl moiety of the substituents may be further substituted with a halogen atom, a hydroxy group, an alkoxy group, a cyano group, an aryloxy group, an alkyl group, an alkoxycarbonyl group or an aryloxycarbonyl group, and when m, p or r represents 2 or more, R may be the same or different; R 1 represents an organic group derived from a compound of the formula R 1 --(OH) n which is derived from a compound represented by the following general formula (IV), (V) or (VI): R.sub.3 --(OH).sub.t (IV) HO--(R.sub.4).sub.u --H (V) R.sub.5 --[(O).sub.v --(CH.sub.2).sub.w --OH].sub.t (VI) wherein R 3 represents a t valent residue of an alkyl group, a substituted alkyl group, a cycloalkyl group or a substituted cycloalkyl group; R 4 represents an alkylene group or a substituted alkylene group; R 5 represents a t valent residue of an aryl group or a substituted aryl group; t represents an integer from 1 to 4; u represents an integer from 1 to 3; v represents 0 or an integer of 1; and w represents 0 or an integer from 1 to 3; wherein R 2 is a phenyl group, a substituted phenyl group, an alkyl group, a substituted alkyl group, a cycloalkyl group or a substituted cycloalkyl group; imagewise exposing the heat-developable color photographic material; developing the material by heating the material to a temperature in the range of 80° C. to 250° C. to release a hydrophilic diffusible dye; and transferring the diffusible dye onto an image receiving material.

Claim 15

A method for forming a color image, comprising the steps of: providing a heat-developable color photographic material comprising a support having thereon, a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound and a heat fusible compound which has a melting point of 60° C. or higher, said heat fusible compound containing the dye releasing redox compound and dispersed in said hydrophilic binder, the heat fusible compound being represented by a general formula selected from the group of general formulae consisting of: (I), (II) and (III): ##STR38## wherein m represents an integer from 1 to 3; n represents an integer from 1 to 8; q represents an integer from 1 to 4; p represents an integer which meets the requirement for p+q=6; s represents an integer from 1 to 4; r represents an integer which meets the requirement for r+s=8; R represents a hydrogen atom or a substituent selected from an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, an aryloxy group, an aralkyl group, an acyl group, an acylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an alkoxyalkyl group, an aryloxyalkyl group, an acyloxy group, an acyloxyalkyl group, a carbamoyl group, a N-substituted carbamoyl group, a ureido group, a N-substituted ureido group, an alkylamino group, a dialkylamino group, an arylamino group, a halogen atom, a hydroxy group, a carboxy group, a nitro group, a cyano group, an alkoxycarbonyl group, an aryloxycarbonyl group and a cycloalkyloxycarbonyl group and the alkyl moiety, the cycloalkyl moiety and the aryl moiety of the substituents may be further substituted with a halogen atom, a hydroxy group, an alkoxy group, a cyano group, an aryloxy group, an alkyl group, an alkoxycarbonyl group or an aryloxycarbonyl group, and when m, p or r represents 2 or more, R may be the same or different; R 1 represents an organic group derived from a compound of the formula R 1 --(OH) n which is derived from a compound represented by the following general formula (IV), (V) or (VI): R.sub.3 --(OH).sub.t (IV) HO--(R.sub.4).sub.u --H (V) R.sub.5 --[(O).sub.v --(CH.sub.2).sub.w --OH].sub.t (VI) wherein R 3 represents a t valent residue of an alkyl group, a substituted alkyl group, a cycloalkyl group or a substituted cycloalkyl group; R 4 represents an alkylene group or a substituted alkylene group; R 5 represents a t valent residue of an aryl group or a substituted aryl group; t represents an integer from 1 to 4; u represents an integer from 1 to 3; v represents 0 or an integer of 1; and w represents 0 or an integer from 1 to 3; wherein R 2 is a phenyl group, a substituted phenyl group, an alkyl group, a substituted alkyl group, a cycloalkyl group or a substituted cycloalkyl group; imagewise exposing the heat-developable color photographic material; developing the material by heating the material to a temperature in the range of 80° C. to 250° C. to release a hydrophilic diffusible dye; and transferring the diffusible dye onto an image receiving material.