ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,770, issued on Sept. 30.

"Lithographic printing plate precursor and method of use" was invented by Yasushi Miyamoto (Tatebayashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative-working lithographic printing plate precursor has a negative-working infrared radiation-sensitive image-recording layer that has a) two or more free radically polymerizable components; b) an initiator composition capable of generating free radicals; and c) one or more infrared radiation absorbing cyanine dyes. The a) two or more free radically polymerizable components comprise a combination of a urethane (meth)acrylate and a polyester (meth)acrylate, which t...