Claims
- 1. An aqueous dispersion for the production of a photothermographic recording material, comprising aqueous media having dispersed therein a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, and a binder, wherein said binder is a water soluble polymer, a water-dispersible polymer or mixtures thereof and wherein said dye corresponds to formula ##STR10##
- 2. The aqueous dispersion according to claim 1, wherein said supersensitizer is a compound selected from the group consisting of stilbene compounds, hydrazine compounds, hetero-aromatic mercapto compounds, hetero-aromatic disulfide compounds and triazine compounds.
- 3. The aqueous dispersion according to claim 1, wherein said aqueous dispersion further comprises an antihalation dye.
- 4. The aqueous dispersion according to claim 1, wherein said substantially light-insensitive organic silver salt is a silver salt of a carboxylic acid.
- 5. A production process for producing a photothermographic recording material comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, a reducing agent in thermal working relationship with said substantially light-insensitive organic silver salt and a binder, said process comprising the steps of: (i) preparing an aqueous dispersion comprising said substantially light-insensitive organic silver salt, said photosensitive silver halide spectrally sensitized to infra-red light with said dye, said supersensitizer for said dye, said reducing agent and said binder; and (ii) coating said aqueous dispersion onto a support, wherein said binder comprises a water soluble polymer, a water-dispersible polymer or a water soluble polymer and a water-dispersible polymer and, wherein said dye corresponds to the formula
- 6. The production process according to claim 5, wherein said supersensitizer is a compound selected from the group consisting of stilbene compounds, hydrazine compounds, hetero-aromatic mercapto compounds, hetero-aromatic disulfide compounds and triazine compounds.
- 7. The production process according to claim 5, wherein said photothermographic recording material further comprises an antihalation dye.
- 8. The production process according to claim 5, wherein said photo-addressable thermally developable element is provided with a protective layer.
- 9. The production process according to claim 5, wherein said substantially light-insensitive organic silver salt is a silver salt of a carboxylic acid.
- 10. An aqueous dispersion for the production of a photothermographic recording material, said dispersion comprising aqueous media having dispersed therein a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with dye, a supersensitizer for said dye, and a binder, wherein said binder is a water soluble polymer, a water-dispersible polymer or mixtures thereof and wherein said dye corresponds to the formula
- 11. An aqueous dispersion for the production of a photothermographic recording material, said dispersion comprising aqueous media having dispersed therein a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0. 1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, and a binder, wherein said binder is water soluble polymer, a water-dispersible polymer or mixtures thereof and wherein said dye corresponds to the formula
- 12. An aqueous dispersion for the production of a photothermographic recording material, said dispersion comprising aqueous media having dispersed therein a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, and a binder, wherein said binder is a water soluble polymer, a water-dispersible polymer or mixtures thereof and wherein said dye corresponds to the formula
- 13. An aqueous dispersion for the production of a photothermographic recording material, Siad dispersion comprising aqueous media having dispersed therein a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, and a binder, wherein said binder is a water soluble polymer, a water-dispersible polymer or mixtures thereof and wherein said dye corresponds to the formula
- 14. An aqueous dispersion for the production of a photothermographic recording material said dispersion comprising aqueous media having dispersed therein a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0. 1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, and a binder, wherein said binder is a water soluble polymer, a water-dispersible polymer or mixtures thereof and wherein said dye corresponds to the formula
- 15. A production process for producing a photothermographic recording material comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, a reducing agent in thermal working relationship with said substantially light-insensitive organic silver salt and a binder, said process comprising the steps of: (i) preparing an aqueous dispersion comprising said substantially light-insensitive organic silver salt, said photosensitive silver halide spectrally sensitized to infra-red light with said dye, said supersensitizer for said dye, said reducing agent and said binder; and (ii) coating said aqueous dispersion onto a support, wherein said binder is a water soluble polymer, a water-dispersible polymer or a water soluble polymer and a water-dispersible polymer and wherein said dye corresponds to the formula
- 16. A production process for producing a photothermographic recording material comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, a reducing agent in thermal working relationship with said substantially light-insensitive organic silver salt and a binder, said process comprising the steps of: (i) preparing an aqueous dispersion comprising said substantially light-insensitive organic silver salt, said photosensitive silver halide spectrally sensitized to infra-red light with said dye, said supersensitizer for said dye, said reducing agent and said binder; and (ii) coating said aqueous dispersion onto a support, wherein said binder is a water soluble polymer, a water-dispersible polymer or water soluble polymer and wherein said dye corresponds to the formula
- 17. A production process for producing a photothermographic recording material, comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt an spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, a reducing agent in thermal working relationship with said substantially light-insensitive organic silver salt and a binder, said process comprising the steps of: (i) preparing an aqueous dispersion comprising said substantially light-insensitive organic silver salt, said photosensitive silver halide spectrally sensitized to infra-red light with said dye, said supersensitizer for said dye, said reducing agent and said binder; and (ii) coating said aqueous dispersion onto a support, wherein said binder is a water soluble polymer a water-dispersible polymer or a water soluble polymer and a water-dispersible polymer and wherein said dye corresponds to the formula
- 18. A production process for producing a photothermographic recording material comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, a reducing agent in thermal working relationship with said substantially light-insensitive organic silver salt and a binder, said process comprising the steps of: (i) preparing an aqueous dispersion comprising said substantially light-insensitive organic silver slat, said photosensitive silver halide spectrally sensitized to infra-red light with said dye, said supersensitizer for said dye, said reducing agent and said binder; and (ii) coating said aqueous dispersion onto a support, wherein said binder is a water-dispersible polymer or a water soluble polymer or a water soluble polymer and a water-dispersible polymer and wherein said dye corresponds to the formula
- 19. A production process for producing a photothermographic recording material comprising a substantially light-insensitive organic silver salt, photosensitive silver halide in catalytic association with said substantially light-insensitive organic silver salt, in a quantity of 0.1 to 35 mol % relative to said organic silver salt and spectrally sensitized to infra-red light with a dye, a supersensitizer for said dye, a reducing agent in thermal working relationship with said substantially light-insensitive organic silver salt and a binder, said process comprising the steps of: (i) preparing an aqueous dispersion comprising said substantially light-insensitive organic silver salt, said photosensitive silver halide spectrally sensitized to infra-red light with said dye, said supersensitizer for said dye, said reducing agent and said binder; and (ii) coating said aqueous dispersion onto a support, wherein said binder is a water-soluble polymer, a water-dispersible polymer or a water-soluble polymer and a water-dispersible polymer and wherein said dye corresponds to the formula
Priority Claims (1)
Number |
Date |
Country |
Kind |
96202103 |
Jul 1996 |
EPX |
|
Parent Case Info
This application claims the benefit of U.S. Provisional application Ser. No. 60/027,499 filed Sep. 27, 1996.
US Referenced Citations (7)
Number |
Name |
Date |
Kind |
4873184 |
Simpson |
Oct 1989 |
|
5223389 |
Matsunaga et al. |
Jun 1993 |
|
5422234 |
Bauer et al. |
Jun 1995 |
|
5424174 |
Motokatzu et al. |
Jun 1995 |
|
5424182 |
Marginean, Sr. et al. |
Jun 1995 |
|
5441866 |
Miller et al. |
Aug 1995 |
|
5541054 |
Miller et al. |
Jul 1996 |
|
Foreign Referenced Citations (6)
Number |
Date |
Country |
0559228 |
Aug 1993 |
EPX |
58-028737 |
Feb 1983 |
JPX |
61-193142 |
Aug 1986 |
JPX |
63-023145 |
Jan 1988 |
JPX |
WO 9615478 |
May 1996 |
WOX |
WO 963342 |
Oct 1996 |
WOX |
Non-Patent Literature Citations (4)
Entry |
J.A. Verdone, "Polymeric Binders for Photothermographic Materials" Research Disclosure, No. 186, Oct. 1979, Havant GB. |
English Translation of JP 63 023 145 Fuji Photo Film KK Jan. 1988. |
English Translation of JP 58 028 737 Konishiroku Photo KK Feb. 1983. |
English Translation of JP 61 193 142 Kuraray KK Aug. 1986. |