ALEXANDRIA, Va., July 15 -- United States Patent no. 12,660,820, issued on June 23, was assigned to Sumitomo Chemical Co. Ltd. (Chuo-ku, Japan).
"Heterocyclic compound and harmful arthropod-controlling composition including same" was invented by Koichiro Dota (Takarazuka, Japan), Takayuki Shioda (Takarazuka, Japan), Ryota Maehata (Takarazuka, Japan) and Yasumasa Saito (Takarazuka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compound of formula (I) or its N-oxide,where Q is Q1;* represents the binding site to the rest of molecule; Z represents an oxygen atom; A3 represents CR4b; B1 represents CR1; B2 represents CR6b; B3 represents CR6c; B4 represents CR6d; R6 represents a C1-C6 chain hydrocarbon gr...