US Patent Issued to Eastman Kodak on Sept. 30 for "Lithographic printing plate precursors, methods of using and manufacture" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,774, issued on Sept. 30, was assigned to Eastman Kodak Co. (Rochester, N.Y.).

"Lithographic printing plate precursors, methods of using and manufacture" was invented by Yasushi Miyamoto (Gunma-ken, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "On-press developable, negative-working infrared radiation-sensitive lithographic printing plate precursors have an aluminum-containing substrate having at least inner and outer aluminum oxide layers. A hydrophilic layer is present on the outer aluminum oxide layer at 0.0002-0.1 g/m2 and contains a phosphorus-containing compound represented by Formula (I) at a coverage of 50-300 mg/m2. A hydrophilic pol...