Method of preparation of lithographic printing plates

Details Method of preparation of lithographic printing plates Method of preparation of lithographic printing plates

2007-04-03

2007-04-03

Gilliam, Barbara L. (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

C430S194000, C430S270100, C430S271100, C430S273100, C430S302000, C430S309000, C430S401000, C430S434000, C430S435000, C430S448000, C430S944000, C430S945000, C101S463100

Reexamination Certificate

active

10420857

ABSTRACT:
A method for preparation of a lithographic printing plate, which comprises the steps of: imagewise recording on a lithographic printing plate precursor comprising a support having a hydrophilic surface and a thermosensitive layer, the thermosensitive layer comprising at least one of polymer particles and a microcapsule encapsulating an oleophilic compound therein; and rubbing the printing plate precursor by a rubbing member in the presence of a processing liquid to remove the thermosensitive layer of non-image portions.

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