Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Reexamination Certificate
2005-12-13
2005-12-13
Letscher, Geraldine (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
C430S505000, C430S543000, C430S544000, C430S559000, C430S551000, C430S566000, C430S570000, C430S597000, C430S590000, C430S599000, C430S606000, C430S607000, C430S631000
Reexamination Certificate
active
06974663
ABSTRACT:
A photographic element is described comprising a support bearing one or more hydrophilic colloid layers including at least one photographic silver halide emulsion layer, wherein a photographically useful compound is incorporated into at least one hydrophilic colloid layer in the form of an intercalation composition comprising a layered host material having molecules of the photographically useful compound inserted as guest molecules between the layers of the host material. The invention provide novels materials and a method of incorporating active chemistry compounds such as developers or development inhibitors directly into a photographic imaging element with improved stability and keeping response versus known methods for incorporating active chemistry compounds.
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Research Disclosure No. 12924; Jan. 1975; pp. 27-30; “Incorporated Dye-Forming Blocked Developers”; William R. Schleigh et al.
Bringley Joseph F.
Lushington Kenneth J.
Sharma Krishnamohan
Anderson Andrew J.
Eastman Kodak Company
Letscher Geraldine
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