Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2005-04-26
2005-04-26
Walke, Amanda (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S302000, C430S905000, C430S944000, C430S945000, C430S954000
Reexamination Certificate
active
06884563
ABSTRACT:
A heat-sensitive composition can be used to make a heat-sensitive imaging material. The composition includes a water-soluble or water-dispersible binder and dispersed therein, a photothermal conversion material, and hybrid particles of a combustible nitro-resin and an addition polymer derived from one or more ethylenically unsaturated polymerizable monomers. The hybrid particles preferably have a core-shell structure with the combustible nitro-resin comprising the core and the addition polymer providing the shell. These imaging materials are particularly useful as “direct-write” thermally imageable elements useful to provide lithographic printing plates without ablation or the need for alkaline development.
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Leon Jeffrey W.
McCovick Robert E.
Eastman Kodak Company
Tucker J. Lanny
Walke Amanda
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