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
2005-09-22
2009-02-03
Lee, Sin J. (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S278100, C430S302000, C430S326000, C430S944000, C430S905000, C430S907000, C430S927000
Reexamination Certificate
active
07485409
ABSTRACT:
The present invention provides a planographic printing plate precursor including a support and a positive recording layer formed on the support and containing: (A) a polymer having a structural unit represented by the following general formula (1), (B) a photo-thermal converting agent, and (C) an amino compound having a methylol group or an alkoxymethyl group; and a positive recording layer whose solubility in an alkaline developer is improved by exposure to light or by heating.In general formula (1), R1represents an alkyl group or a cyclic group, x represents 0 or 1, and A represents a bivalent bonding group. According to the invention, a positive planographic printing plate precursor for use with infrared lasers having excellent chemical resistance and wide image development latitude can be obtained.
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FujiFilm Corporation
Lee Sin J.
Sughrue & Mion, PLLC
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