Patent 7582407 was granted and assigned to Eastman Kodak on September, 2009 by the United States Patent and Trademark Office.
Single- and multi-layer positive-working imageable elements include an ink receptive outer layer includes a primary polymeric binder that is a poly(vinyl phenol) or a phenolic polymer having certain acidic groups. The use of this type of polymeric binder makes the imaged elements developable in low pH (11 or less) alkaline developers.