Substrate for lithographic printing plate precursor
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United States of America Patent
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Aug 26, 2008
Grant Date -
Feb 23, 2006
app pub date -
Aug 20, 2004
filing date -
Aug 20, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Substrates for imageable elements are disclosed. The substrates comprise, in order, an aluminum or aluminum alloy support, a silicate layer, and a layer of interlayer material. The interlayer material is a co-polymer that comprise (1) phosphonic acid groups and/or phosphate groups and (2) acid groups and/or groups that comprise ethylene glycol or polyethylene glycol side chains. Imageable elements that comprise an imageable layer over the interlayer material are useful as lithographic printing plate precursors.
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