Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Reexamination Certificate
2005-09-06
2005-09-06
Chea, Thorl (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
C430S531000, C430S534000, C430S536000, C430S543000, C430S546000, C430S566000
Reexamination Certificate
active
06939666
ABSTRACT:
A heat-developable color photosensitive material of single sheet type, which comprises a support having provided thereon at least light-sensitive silver halide, a color developing agent or a precursor thereof, dye-forming couplers capable of forming dyes by reacting with an oxidation product of the color developing agent, a reducible silver salt, a thermal solvent and a binder, wherein a water-insoluble thermoplastic polymer prepared by polymerizing at least one kind of monomer is included in layers containing the dye-forming couplers, thereby preventing the dyes formed from bleeding to ensure high sharpness and making an improvement in raw-stock storability.
REFERENCES:
patent: 5747231 (1998-05-01), Sato et al.
patent: 6379876 (2002-04-01), Irving et al.
patent: 6-95321 (1994-04-01), None
patent: 8-62757 (1996-03-01), None
patent: 8-129252 (1996-05-01), None
patent: 08-129252 (1996-05-01), None
Birch & Stewart Kolasch & Birch, LLP
Chea Thorl
Fuji Photo Film Co. , Ltd.
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