On-press developable lithographic printing plate

Details On-press developable lithographic printing plate On-press developable lithographic printing plate

2005-09-27

2005-09-27

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, C430S286100, C430S302000, C430S309000, C430S434000, C430S435000, C430S494000, C430S944000, C430S945000

Reexamination Certificate

active

06949327

ABSTRACT:
Thermally imageable elements useful as on-press developable lithographic printing plate precursors are disclosed. The elements comprise a substrate and a layer of an imageable composition over the substrate. The imageable composition comprises a photothermal conversion material, particles of a polyurethane polymer, and, optionally, a water soluble polymer. The polyurethane polymer comprises urethane linkages in the main chain, but does not comprise side chain urethane groups.

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