US Patent Issued to IDEMITSU KOSAN on Aug. 26 for "Polycarbonate/polyorganosiloxane copolymer and resin composition including said copolymer" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,237, issued on Aug. 26, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Polycarbonate/polyorganosiloxane copolymer and resin composition including said copolymer" was invented by Minoru Yabukami (Ichihara, Japan), Shinobu Yamao (Ichihara, Japan), Takafumi Akimoto (Yotsukaido, Japan) and Masami Sawai (Funabashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a polycarbonate-polyorganosiloxane copolymer, including: a polyorganosiloxane block (A-1) including a specific structural unit; and a polycarbonate block (A-2) formed of a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following c...