US Patent Issued to NIPPON SODA on June 17 for "Photosensitive resin composition for flexographic printing" (Japanese Inventor)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,564, issued on June 17, was assigned to NIPPON SODA Co. LTD. (Tokyo).

"Photosensitive resin composition for flexographic printing" was invented by Shota Osumi (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photosensitive resin composition for flexographic printing includes components (A) to (E) below: (A) a first styrene-butadiene-styrene block copolymer (SBS); (B) a second styrene-butadiene-styrene block copolymer (SBS); (C) a polybutadiene or a derivative thereof; (D) a photopolymerizable monomer; and (E) a photopolymerization initiator, and comprises with respect to (A), 5 to 100 wt % of (B), 10 to 40 wt % of (C), 40 to 200 wt % o...