Presensitized printing plates
AssigneeAgfa-Gevaert
InventorsAllen Peter Gates, Jonathan William Goodin, John Michael Kitteridge, Malcolm James Mallison, Roland Robinson, Philip John Watkiss
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AssigneeAgfa-Gevaert
InventorsAllen Peter Gates, Jonathan William Goodin, John Michael Kitteridge, Malcolm James Mallison, Roland Robinson, Philip John Watkiss
Estimating the term…
The invention provides a lithographic printing plate precursor comprising a grained and anodized aluminium substrate having coated thereon a silver halide emulsion layer, the back surface of said substrate being coated with an inert coating which does not chemically or physically interact with an adjacent silver halide layer when two plates are placed in front to back contact. Fogging of the silver halide layer is avoided and the use of the back coating eliminates the requirement for the use of tissue interleaving when wrapping and packing the lithographic printing plate precursors.
A lithographic printing plate precursor comprising a grained and anodized aluminum substrate having coated thereon a silver halide emulsion layer and wherein the back surface of the substrate is coated with an inert coating, said inert coating having a coating thickness of at least 0.1 micron.
Dependencies are inferred from the claim text.