Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Reexamination Certificate
2006-06-13
2006-06-13
Chea, Thorl (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
C430S567000, C430S617000, C430S964000
Reexamination Certificate
active
07060426
ABSTRACT:
Novel silver compounds can include a primary core of a photosensitive silver halide and a shell covering the primary core. This shell includes one or more non-photosensitive silver salts, each silver salt including an organic silver coordinating ligand. Other novel silver compounds are homogeneous silver salts of organic silver coordinating ligands throughout (non-core-shell). Still other silver compounds can include a primary core of a non-photosensitive metal salt and a shell covering the primary core. This shell includes one or more non-photosensitive silver salts, each silver salt including an organic silver coordinating ligand. These types of silver compounds can be used as sources of reducible silver ions in thermally developable imaging materials including thermographic and photothermographic materials.
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(Translation) V.M. Belous et al.,Chemical Sensitization of Internal Light Sensitive Photographic Emulsions with Heterophase MicrocrystalsI, Zhur. Nauch. I Priklad. Fotogr. I Kinematogr., 36, 1991, 416.
Bokhonov Boris B.
Burleva Lilia P.
Howlader Nepal C.
Leichter Louis M.
Whitcomb David R.
Chea Thorl
Leichter Louis M.
Tucker J. Lanny
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