Photopolymerizable printing plates with top layer for producing relief printing plates
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United States of America Patent
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-
Mar 12, 2002
Grant Date -
N/A
app pub date -
Dec 13, 1999
filing date -
Dec 23, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A photopolymerizable printing plate has a dimensionally stable support, a photopolymerizable layer, a top layer located thereon comprising two mutually incompatible, elastomeric block copolymers, and a protective sheet. Disclosed are processes for producing such a photopolymerizable printing plate, processes for producing relief printing plates, especially flexographic printing plates, and also relief printing plates having ink cells in the relief surface.
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