Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Reexamination Certificate
2007-06-12
2007-06-12
Visconti, Geraldina (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
C430S618000, C430S619000, C430S620000
Reexamination Certificate
active
10990311
ABSTRACT:
A photothermographic imaging material including a support having thereon an image forming layer containing light-insensitive organic silver salt grains, photosensitive silver halide grains, a reducing agent for silver ions and a binder, wherein: (i) each of the photosensitive silver halide grains produces a larger number of latent images in a surface portion of the grain than in an inner portion of the grain by exposure to light; (ii) each of the photosensitive silver halide grains produces a larger number of latent images in the inner portion of the grain than in the surface portion of the grain after being subjected to a thermal development; (iii) a surface photographic speed of each of the photosensitive silver halide grains decreases after being subjected to the thermal development; and (iv) the photothermographic imaging material contains a reducible silver salt compound represented by Formula (I) described in the specification.
REFERENCES:
patent: 2006/0057508 (2006-03-01), Fukui et al.
patent: 2006/0127826 (2006-06-01), Fukui
patent: 2003-140290 (2003-05-01), None
patent: 2003-177489 (2003-06-01), None
English Abstract for JP 2003-140290 dated May 14, 2003.
English Abstract for JP 2003-177489 dated Jun. 27, 2003.
Goto Narito
Kimura Soc Man Ho
Cantor & Colburn LLP
Konica Minolta & Medical Graphic, Inc.
Visconti Geraldina
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