Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Finishing or perfecting composition or product
Reexamination Certificate
2006-12-12
2006-12-12
Chu, John S. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Finishing or perfecting composition or product
C430S302000, C101S465000, C101S467000
Reexamination Certificate
active
07147995
ABSTRACT:
An alkaline developing solution for development of a heat-sensitive presensitized plate of positive-working mode for use in making a lithographic printing plate, which developing solution comprises a linear-type alkyleneoxide adduct and a branched-type alkyleneoxide adduct; a method for preparing a lithographic printing plate comprising the steps of light-exposing to infrared radiation, a heat-sensitive presensitized plate of positive-working mode for use in making a lithographic printing plate, said presensitized plate having an image recording layer which comprises an IR-absorbing dye on a substrate, and developing the light-exposed plate with the above alkaline developing solution.
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European Patent Office Search Report.
Buchanan & Ingersoll & Rooney PC
Chu John S.
Fuji Photo Film Co. , Ltd.
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