US Patent Issued to MITSUI CHEMICALS, YAMAMOTO CHEMICALS on Dec. 2 for "Benzotriazole compound, light absorber, and resin composition" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,239, issued on Dec. 2, was assigned to MITSUI CHEMICALS INC. (Tokyo) and YAMAMOTO CHEMICALS INC. (Yao, Japan).

"Benzotriazole compound, light absorber, and resin composition" was invented by Masaru Kawaguchi (Fukuoka, Japan), Shinsuke Ito (Omuta, Japan), Yoshiyuki Totani (Ichihara, Japan), Yusuke Matsui (Omuta, Japan), Yojirou Kumagae (Yao, Japan), Daisuke Kakio (Yao, Japan), Bunji Sawano (Yao, Japan), Hiroshi Naruse (Yao, Japan) and Ryoji Yamaguchi (Yao, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a benzotriazole compound represented by Formula (1). In Formula (1), R1 to R4 represent substituents. In Formula (1), n1 represents a...