US Patent Issued on Oct. 6 for "Process for the treatment of the photopolymer material that constitutes the matrix plates in flexographic printing" (Italian Inventor)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,320, issued on Oct. 6.

"Process for the treatment of the photopolymer material that constitutes the matrix plates in flexographic printing" was invented by Ira Nicoletti (Mira, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for treating photopolymer material that makes up master plates in flexographic printing includes: shredding and refining the plates into pieces smaller than 10 mm in any direction; subsequent cold grinding to obtain a powder with a particle size ranging from 100 to 500 microns; drying the powder at a temperature of 80-120 degC for two hours; introducing the dried powder into a twin-screw extruder with corotating sc...