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US4614702A Expired / Lapsed US ⏱️ 0.0 years remaining

Heat-developable color photographic material with mercapto antifoggant

Assignee: Fujifilm Holdings Corp
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Filing: 1985-02-14
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Granted: 1986-09-30
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Expires: 2005-02-14
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Abstract

Abstract A heat-developable color photographic material comprising a support having thereon at least a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound capable of releasing a hydrophilic dye and a compound represented by the following general formula (IIA): ##STR1## wherein B represents an alkyl group or a substituted alkyl group; m represents 0 or an integer of 1 to 4; and A represents an alkyl group, an aryl group, a cycloalkyl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, an alkoxycarbonyl group, an amino group, an N-substituted amino group, an acylamino group, a carbamoyl group, an N-substituted carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfonylamino group, an arylsulfonylamino group, a sulfamoyl group, an N-substituted sulfamoyl group, a cyano group, a hydroxy group, a nitro group or a halogen atom and when m represents 2 or more A may be the same or different. A method of forming a color image is also disclosed which comprises imagewise exposing a heat-developable color photographic material comprising a support having thereon a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound capable of releasing a hydrophilic dye and a compound represented by general formula (IIA).

Inventors

  • 👤 Satoru Sawada
  • 👤 Yoshiharu Yabuki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 11:12
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/40; G03C8/4013; G03C8/408; G03C1/00; G03C1/005; G03C1/06; G03C1/494; G03C1/498; G03C1/49836; G03C1/49845; G03C8/4033

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 101 words
A heat-developable color photographic material comprising a support having thereon at least a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound capable of releasing a hydrophilic dye and a compound represented by the following general formula (IIA): ##STR37## wherein B represents an alkyl group or a substituted alkyl group; m represents 0 or an integer of 1 to 4; and A represents an alkyl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an acylamino group, a sulfonylamino group or a halogen atom and when m represents 2 or more A may be the same or different.
Claim 2
Dependent Claim 101 words
A heat-developable color photographic material comprising a support having thereon at least a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound capable of releasing a hydrophilic dye and a compound represented by the following general formula (IIA): ##STR37## wherein B represents an alkyl group or a substituted alkyl group; m represents 0 or an integer of 1 to 4; and A represents an alkyl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an acylamino group, a sulfonylamino group or a halogen atom and when m represents 2 or more A may be the same or different.
Claim 3
Dependent Claim 59 words
A heat-developable color photographic material as claimed in claim 1, wherein the dye releasing redox compound capable of releasing a hydrophilic dye is represented by the following general formula (XI) R--SO.sub.2 --D (XI) wherein R represents a reducing group capable of being oxidized by the silver halide; and D represents an image forming dye portion containing a hydrophilic group.
Claim 4
Dependent Claim 85 words
A heat-developable color photographic material as claimed in claim 2, wherein the hydrophilic group included in the dye portion represented by D is a hydroxy group, a carboxy group, a sulfo group, a phosphoric acid group, an imido group, a hydroxamic acid group, a quaternary ammonium group, a carbamoyl group, a substituted carbamoyl group, a sulfamoyl group, a substituted sulfamoyl group, a sulfamoylamino group, a substituted sulfamoylamino group, a ureido group, a substituted ureido group, an alkoxy group, a hydroxyalkoxy group or an alkoxyalkoxy group.
Claim 5
Dependent Claim 32 words
A heat-developable color photographic material as claimed in claim 1, wherein the color photographic material further contains a reducing agent for reducing a silver halide and/or an organic silver salt oxidizing agent.
Claim 6
Dependent Claim 41 words
A heat-developable color photographic material as claimed in claim 1, wherein the color photographic material further contains an organic silver salt oxidizing agent, wherein the light-sensitive silver halide and the organic silver salt oxidizing agent are present in the same layer.
Claim 7
Dependent Claim 20 words
A heat-developable color photographic material as claimed in claim 1, wherein the hydrophilic binder is gelatin or a gelatin derivative.
Claim 8
Dependent Claim 21 words
A heat-developable color photographic material as claimed in claim 1, wherein the color photographic material further contains a dye releasing activator.
Claim 9
Dependent Claim 27 words
A heat-developable color photographic material as claimed in claim 7, wherein the dye releasing activator is a base, a base releasing agent or a water releasing compound.
Claim 10
Dependent Claim 20 words
A heat-developable color photographic material as claimed in claim 1, wherein the color photograpic material further contains a thermal solvent.
Claim 11
Independent Claim 125 words
A method of forming a color image, comprising the steps of: imagewise exposing and heating a heat-developable color photographic material comprising a support having thereon a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound capable of releasing a hydrophilic dye and a compound represented by the general formula (IIA): ##STR38## wherein B represents an alkyl group or a substituted alkyl group; m represents 0 or an integer of 1 to 4; and A represents an alkyl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an acylamino group, a sulfonylamino group or a halogen atom and when m represents 2 or more A may be the same or different, thereafter the hydrophilic dye being imagewise transferred to an image receiving layer.
Claim 12
Independent Claim 125 words
A method of forming a color image, comprising the steps of: imagewise exposing and heating a heat-developable color photographic material comprising a support having thereon a light-sensitive silver halide, a hydrophilic binder, a dye releasing redox compound capable of releasing a hydrophilic dye and a compound represented by the general formula (IIA): ##STR38## wherein B represents an alkyl group or a substituted alkyl group; m represents 0 or an integer of 1 to 4; and A represents an alkyl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an acylamino group, a sulfonylamino group or a halogen atom and when m represents 2 or more A may be the same or different, thereafter the hydrophilic dye being imagewise transferred to an image receiving layer.
Claim 13
Dependent Claim 26 words
A method of forming a color image as claimed in claim 10, wherein the hydrophilic diffusible dye is transferred in the presence of a transfer solvent.
Claim 14
Dependent Claim 29 words
A method of forming a color image as claimed in claim 10, wherein the hydrophilic diffusible dye is transferred by heating at a temperature lower than the developing temperature.
Claim 15
Dependent Claim 25 words
A method of forming a color image as claimed in claim 10, wherein the image receiving layer contains a mordant for the hydrophilic diffusible dye.
Claim 16
Dependent Claim 23 words
A method of forming a color image as claimed in claim 11, wherein the transfer solvent is present in the image receiving layer.
Claim 17
Dependent Claim 22 words
A heat-developable color photographic material as claimed in claim 1, wherein the compound represented by general formula (IIA) has the formula: ##STR39##
Claim 18
Dependent Claim 22 words
A heat-developable color photographic material as claimed in claim 1, wherein the compound represented by general formula (IIA) has the formula: ##STR40##
Claim 19
Dependent Claim 22 words
A heat-developable color photographic material as claimed in claim 1, wherein the compound represented by general formula (IIA) has the formula: ##STR41##
Claim 20
Dependent Claim 23 words
A method of forming a color image as claimed in claim 10, wherein said compound of general formula (IIA) has the formula: ##STR42##
Claim 21
Dependent Claim 23 words
A method of forming a color image as claimed in claim 10, wherein said compound of general formula (IIA) has the formula: ##STR43##
Claim 22
Dependent Claim 23 words
A method of forming a color image as claimed in claim 10, wherein said compound of general formula (IIA) has the formula: ##STR44##
Claim 23
Dependent Claim 24 words
A method of forming a color image as claimed in claim 10, wherein B is said alkyl group and A is said alkyl group.
Claim 24
Dependent Claim 24 words
A method of forming a color image as claimed in claim 10, wherein B is said substituted alkyl group and A is said halogen.

References Cited (Backward Citations)

US3244522A Cited
US3226231A Cited
US3650760A Cited
US4430415A Cited
US4500626A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-09-29 1990-03-31 1990-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-09-29 1994-03-31 1994-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-09-29 1998-03-31 1998-09-30 $7700.00 Window Closed / Lapsed

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