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
2006-09-19
2006-09-19
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
C430S271100, C430S272100, C430S302000, C101S453000
Reexamination Certificate
active
07108956
ABSTRACT:
A thermosensitive lithographic printing plate comprising: a hydrophilic support; a lower layer comprising a water-insoluble and alkali-soluble resin; and an upper thermosensitive layer comprising a water-insoluble and alkali-soluble resin and an infrared absorbing dye, whose dissolution in an alkaline aqueous solution increases upon exposure, wherein a surface of the upper thermosensitive layer has protrusions caused by ununiformity of thickness of the upper thermosensitive layer in a proportion of 0.1 or more and not more than 7 per μm2or the upper thermosensitive layer comprises at least two alkali-soluble resins having a different dissolution speed in an alkaline aqueous solution from each other, and the at least two alkali-soluble resin cause phase separation from each other.
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Fuji Photo Film Co. , Ltd.
Gilliam Barbara L.
Sughrue & Mion, PLLC
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