Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making printing plates
Reexamination Certificate
2006-06-20
2006-06-20
Gilliam, Barbara L. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making printing plates
C430S309000, C430S434000, C430S435000, C430S494000, C430S944000, C430S945000
Reexamination Certificate
active
07063937
ABSTRACT:
A method for making a lithographic printing plate comprising the steps of: light-exposing to infrared radiation, a heat-sensitive presensitized plate of a positive-working mode for use in making a lithographic printing plate, said presensitized plate comprising a substrate and an image recording layer which is formed thereon and comprises a novolak resin containing xylenol as a monomer component and an infrared absorbing dye; and developing the light-exposed plate with an alkaline developing solution comprising at least one surfactant selected from the group consisting of anionic surfactants and amphoteric surfactants.
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Buchanan & Ingersoll PC
Fuji Photo Film Co. , Ltd.
Gilliam Barbara L.
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