ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,418, issued on Sept. 15, was assigned to SATO PHARMACEUTICAL Co. LTD. (Tokyo).
"Condensed ring compounds that inhibit H-PGDS" was invented by Motoaki Baba (Tokyo), Takuma Okui (Tokyo) and Yoshiki Itoh (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a compound having a hematopoietic prostaglandin D synthase (H-PGDS) inhibitory activity and being useful for preventing or treating a disease involving the enzyme, and a pharmaceutical composition comprising the compound. Specifically, the present invention provides a compound represented by Formula (I) below or a pharmaceutically acceptable salt thereof:[wherein R1 r...