US Patent 7592128 On-press developable negative-working imageable elements
Patent 7592128 was granted and assigned to Eastman Kodak on September, 2009 by the United States Patent and Trademark Office.
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The present invention relates to negative-working imageable elements that can be used for the manufacture of printing plates. These imageable elements can be developed on on-press by the action of a lithographic printing ink used in combination with either water or a fountain solution. The imageable elements comprise an imageable layer that is not removable in water or fountain solution alone. The imageable layer includes a free radically polymerizable compound, a free radical initiator composition, an infrared radiation absorbing compound, and a polymeric binder comprising poly(alkylene oxide) pendant groups, and preferably additionally pendant cyano groups.
US Patent 07592128 On-press developable negative-working imageable elements US Patent 7592128 On-press developable negative-working imageable elements
US Patent 07592128 On-press developable negative-working imageable elements
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