ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,442, issued on Jan. 27, was assigned to Sumitomo Pharma Co. Ltd. (Osaka, Japan).
"Benzisoxazole derivative" was invented by Tomoyuki Tanaka (Osaka, Japan), Yoshiaki Isobe (Osaka, Japan), Hiroyuki Kitano (Osaka, Japan), Hiroaki Tanaka (Osaka, Japan) and Shun Narai (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a medicament for treating various nervous system diseases or psychiatric diseases, comprising a compound of formula (1) or a pharmaceutically acceptable salt thereof as an active ingredient, wherein R1 is hydrogen, etc., R2 is halogen, etc., R3, R4, R5, and R6 are hydrogen, etc."
The patent was fi...