ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,173, issued on Oct. 7, was assigned to JAPAN COMPOSITE Co. LTD. (Tokyo).
"Unsaturated polyester resin composition, molding material, and molded article" was invented by Ikuo Akai (Shizuoka, Japan), Masahiro Hakotani (Shizuoka, Japan) and Takashi Tsukamoto (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An unsaturated polyester resin composition contains an unsaturated polyester, a vinyl ester, a polymerizable monomer, and an aluminum hydroxide. The vinyl ester is a reaction product of an epoxy resin and an unsaturated monobasic acid. The vinyl ester is blended in a predetermined ratio to the unsaturated polyester. The aluminum hydroxi...