Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making printing plates
Reexamination Certificate
2006-12-12
2006-12-12
Gilliam, Barbara L. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making printing plates
C430S175000, C430S176000, C430S281100, C430S286100, C430S309000, C430S494000
Reexamination Certificate
active
07147991
ABSTRACT:
Disclosed is a process of preparing a planographic printing plate from a light sensitive planographic printing plate material comprising a hydrophilic support and provided thereon, an image formation layer containing (a) an alkali soluble resin with an acid value of 5 to 200 having an acryloyl group or a methacryloyl group, the alkali soluble resin being obtained by reacting a vinyl copolymer having a monomer unit derived from acrylic acid or methacrylic acid with an epoxy compound having an acryloyl group or a methacryloyl group in the molecule, and (b) a diazo resin, the process comprising the steps of imagewise exposing the light sensitive planographic printing plate material to ultraviolet light using an exposure device comprising a digital mirror device (DMD), and removing an image formation layer at non-exposed portions with an aqueous alkali solution to form an image.
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Patent Abstracts of Japan, vol. 2003, No. 12, Dec. 5, 2003, of JP 2004 020623 A (Fuji Photo Film Co., Ltd) Jan. 22, 2004, “Method of Making Plate for Planographic Printing”.
Frishauf Holtz Goodman & Chick P.C.
Gilliam Barbara L.
Konica Minolta & Medical Graphic, Inc.
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