US Patent Issued to NIPPON SODA on Sept. 30 for "Resin composition for metal-clad laminates, prepreg, and metal-clad laminate" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,533, issued on Sept. 30, was assigned to NIPPON SODA Co. LTD. (Tokyo).

"Resin composition for metal-clad laminates, prepreg, and metal-clad laminate" was invented by Shota Osumi (Chiba, Japan), Izumi Tando (Chiba, Japan), Hiroki Ueda (Chiba, Japan) and Yoshio Hayakawa (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resin composition for a metal-clad laminate plate includes a block copolymer comprising a butadiene block having a molar ratio of a 1,2-bonding structure to a 1,4-bonding structure of 80:20 to 100:0 and a styrene block. Further, the resin composition for the metal-clad laminate plate includes polybutadiene having a molar r...