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
2005-03-08
2005-03-08
Gilliam, Barbara L. (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
C430S138000, C430S272100, C430S273100, C430S283100
Reexamination Certificate
active
06864038
ABSTRACT:
A printing plate material is disclosed which comprises a substrate, and provided thereon, an under layer and a porous hydrophilic layer in that order, wherein the under layer has a thickness of from 0.1 to 5.0 μm, contains metal oxide particles A with a particle size of from 1 to 20 nm in an amount of not less than 30% by weight, and has cracks with a groove width of less than 1 μm.
REFERENCES:
patent: 6230621 (2001-05-01), Verschueren et al.
patent: 6596464 (2003-07-01), Van Damme et al.
patent: 6620573 (2003-09-01), Van Damme et al.
patent: 20040018443 (2004-01-01), Aoshima
Frishauf Holtz Goodman & Chick P.C.
Gilliam Barbara L.
Konica Corporation
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