ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,511, issued on May 6, was assigned to SANTEN PHARMACEUTICAL Co. LTD. (Osaka, Japan).

"Pharmaceutical preparation containing pyridyl aminoacetic acid compound" was invented by Hisashi Kawata (Osaka, Japan), Noriko Kawabata (Osaka, Japan) and Naveed Shams (Emeryville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention aims to find a pharmaceutical preparation which treats or prevents glaucoma or ocular hypertension and is effective for patients with inadequate efficacies of glaucoma or ocular hypertension therapeutic agents. It has been found that omidenepag, an ester thereof, or a salt thereof has an excellent intraocular pre...