ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,337, issued on June 24, was assigned to KANEKA Corp. (Osaka, Japan).
"Expandable methyl methacrylate resin particles, methyl methacrylate resin pre-expanded particles, methyl methacrylate expansion-molded body, and method for producing expandable methyl methacrylate resin particles" was invented by Tsuyoshi Kobayashi (Hyogo, Japan), Kirito Suzuki (Hyogo, Japan) and Taro Kiguchi (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Expandable methyl methacrylate resin particles having a narrow particle size distribution, a good yield, and excellent expandability and formability are provided. The expandable methyl methacrylate resin particles i...