ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,881, issued on Aug. 12, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).
"Polycarbonate/polyorganosiloxane copolymer and resin composition including said copolymer" was invented by Minoru Yabukami (Ichihara, Japan) and Shinobu Yamao (Ichihara, 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."
The patent was filed on Dec. 7, 2020, under Application No. 17/782,587.
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