US Patent Issued to Mitsubishi Engineering-Plastics on Aug. 26 for "Method for producing flame retardant polycarbonate resin composition pellet" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,475, issued on Aug. 26, was assigned to Mitsubishi Engineering-Plastics Corp. (Minato-ku, Japan).

"Method for producing flame retardant polycarbonate resin composition pellet" was invented by Takafumi Yoshino (Hiratsuka, Japan), Toshiyuki Tajiri (Hiratsuka, Japan) and Hiroyuki Tajima (Hiratsuka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a polycarbonate resin composition pellet with a twin screw extruder, the polycarbonate resin composition pellet has 30 to 95 mass % of a resin pellet (A) containing more than 40 mass % of a polycarbonate resin in the pellet; not less than 5 mass % and less than 40 mass % of a phospha...